Sea-man Delta-test. Tests with answers (2023)

὾ Two prolonged blasts followed by one short blast at intervals of not more than 1 minute.

὾ One short blast, one prolonged blast and one short blast at intervals of not more than 2 minutes.

὾ One long blast followed by two short blasts at intervals of not more than 2 minutes. (+)

὾ Two prolonged blasts at intervals not exceeding 2 minutes.

Code: ABKI When there is doubt about the freshness of the atmosphere in

enclosed or confined spaces, what actions should be taken?

὾ Arrangements should be made for testing of the atmosphere to ensure maintenance of 21 % oxygen and a carbon

monoxide content below 50 ppm in the atmosphere of the space. (+)

὾ Supply filter masks to all crew working on roro deck.

὾ Roro decks are always ventilated in advance of an operation.

὾ Open both bowand stern doors.

Which is the “FORWARD BREAST LINE”, in the figure?

Code: ABHV Which is the “FORWARD BREAST LINE”, in the figure?

὾ The forward breast line is indicated by B, in the figure.

὾ The forward breast line is indicated by C, in the figure. (+)

὾ The forward breast line is indicated by D, in the figure.

὾ The forward breast line is indicated by A, in the figure.

Code: ABAM Reduced capacity accompanied by vibration and noise at the

suction of a centrifugal pump results from the action of vapor pockets in the

fluid being pumped caused by:

὾ Steam knock.

὾ Water hammer.

὾ Fluid friction.

὾ Cavitation. (+)

Code: ABFC You are in an area of restricted visibility and hear this signal. It

is repeated at two minute intervals. What does it indicate?

὾ That there is another vessel nearby, that she is underway, but stopped and making no way through the water.(+)

὾ That there is another vessel nearby, but that she is at anchor.

὾ That there are two more vessels nearby.

὾ That there is another vessel in the vicinity and that she has just altered course to port.

Code: ABDQ Indicate the correct name for the tool:

὾ Flexible pipe.

὾ Water pump pliers. (+)

὾ Adjustable wrench.

὾ Padlock.

Code: ABKJ Between a complete removal and a renewing of floor polish

what can you do to maintain a PVC floor surface?

὾ By using the softest of the pads on the disk and dry scrub.

὾ By soft machine scrubbing with red pad and a renewing of polish only where there is heavy traffic (f. i. in the middle of

corridors and not the whole floor). (+)

὾ Apply an extra layer of polish every month.

὾ By using soft machine scrubbing once every fortnight and wash with a solution of water and polish.

Code: ABBG Diodes are widely used in rectification, or the conversion of

alternating current to direct current. The sinusoidal input voltage V (in) is

applied to the circuit shown. Which of the output voltages is correct?

Code: ACGC What is important to check when transferring a position from

the GPS output to a paper chart?

὾ Any necessary corrections are applied to convert between the GPS datum and the chart datum. (+)

὾ Ensure that the chart has been corrected up to date.

὾ It is important to ensure that the GPS is setup on 2 dimensional and not 3 dimensional position fixes.

὾ Ensure that the GPS is setup on the same datum as the chart.

Code: AKAH What is the most likely reason for vibration and noise at the

suction side of a centrifugal pump when it is running?

὾ Fluid friction in the suction line.

὾ Collapsing vapour bubbles due to cavitation. (+)

὾ Water hammer in the pump casing.

὾ Pump suction valve fully open.

Code: AKAH Reduced capacity accompanied by vibration and noise at the

suction of a centrifugal pump results from the action of vapor pockets in the

fluid being pumped caused by:

὾ Close rescue boat ventilation aperture.

὾ Open hatches.

὾ Secure liferaft canopy closing device.

὾ Secure hatches. (+)

Code: ACIM When carrying LNG cargoes it is useful to have information

about its thermodynamic properties. What is a common source of

information that can be used to obtain values for a wide range of these

properties?

὾ A Mollier chart. (+)

὾ Material safety data sheet.

὾ The cargo manifest.

὾ The IGC code.

Code: ACIT When will a hatch cover crossjoint wedge need replacement?

὾ When the wedge is rusty.

὾ When the flat spring is missing. (+)

὾ When the flat spring is bent.

὾ When the flat spring is rusty.

Code: ABPJ Who shall carry out the detailed preliminary supervision of

maritime service of seafarers before the commencement of service?

὾ The employer/master. (+)

὾ The seafarer’s home labour authorities.

὾ A Norwegian Consulate.

὾ The Norwegian Ship Control.

Code: ABMW On a Container vessel, what determines how containers

should be lashed?

὾ SOLAS 74/88.

὾ Advice from shore planners.

὾ The cargo securing manual. (+)

὾ OSHA regulations.

Code: ACIM Enthalpy is an expression of how much energy is tied up in one

kilo of a substance. A substance’s total energy consists of:

὾ External and internal energy. (+)

὾ Internal energy.

὾ Latent energy.

὾ External energy.

What nominal filling restriction exists under the IBC Code for a

Code: BJWL What nominal filling restriction exists under the IBC Code for a

single tank on a type 3 chemical tanker? Not counting structural, capacity or

cargo specific limitations.

὾ 1 250 cubic metres.

὾ There is no filling restriction for a type 3 chemical tanker. (+)

὾ 1 750 cubic metres.

὾ 3 000 cubic metres.

Code: BHIJ A coated tank holds 400 tons of sea water when filled. How

many tons of liquid of liter weight 0,9300 will it hold when filled to 90 %

capacity?

὾ 390,2 Mt.

὾ 343,2 Mt.

὾ 377,6 Mt.

326,6 Mt. (+)

὾ 326,6 Mt. (+)

Code: BXGO What is the purpose of the “Mud Box” on a tanker?

὾ It is at the end of the pipeline in the tank and restricts any particles and solids entering the pipeline system. (+)

὾ It is the waste collection box in the store rooms.

὾ It is the box near the windlass to deposit the mud from the anchor and anchor cables.

὾ It is the box under the manifold to catch spills when connecting the discharge or loading hose.

Code: BXGO What are the requirements regarding slop tank capacity on

combination carriers with smooth walls (bulkheads)?

὾ Not less than 3 % of the oilcarrying capacity of the ship.

὾ Not less than 1 % of the oilcarrying capacity of the ship. (+)

὾ Not less than 1,5 % of the oilcarrying capacity of the ship.

὾ Not less than 2 % of the oilcarrying capacity of the ship.

὾ Increase pressure.

Code: BFTH On a RoRo vessel carrying no more than 36 passengers, what

is the minimum capacity of the ventilation system protecting standard cargo

spaces intended for carriage of motor vehicles with fuel in their tanks for

their own propulsion.

὾ 12 air changes per hour.

὾ 20 air changes per hour.

὾ 6 air changes per hour. (+)

὾ 2 air changes per hour.

Code: BFTH What is the minimum capacity of a ventilation system protecting

cargo spaces, other than special category spaces, intended for carriage of

motor vehicles with fuel in their thanks for their own propulsion in a ship

carrying no more than 36 passengers or in a cargo ship?

὾ To avoid explosive (flammable) area in cargo tanks.

὾ To avoid humidity in cargo tanks.

὾ To assure all oxygen is removed from cargo tank and avoid chemical reaction. (+)

὾ To avoid radicals building up in cargo tanks.

Code: NMTV There is requirement in MARPOL for the slop tank capacity of

oil tankers. What is the requirement for SBT tankers?

὾ 2 % where segregated ballast tanks or dedicated clean ballast tanks are provided in accordance with MARPOL. (+)

὾ 3 % where segregated ballast tanks or dedicated clean ballast tanks are provided in accordance with MARPOL.

὾ 5 % where segregated ballast tanks or dedicated clean ballast tanks are provided in accordance with MARPOL.

὾ 1 % where segregated ballast tanks or dedicated clean ballast tanks are provided in accordance with MARPOL.

Code: JOKT What action should be taken if the heat transfer capacity of a

heat exchanger operating as a lubricating oil cooler is reducing?

὾ The heat transfer surfaces should be cleaned. (+)

὾ Increase the cooling water pressure.

὾ Increase the lubricating oil flowrate.

὾ Decrease the lubricating oil flowrate.

The picture shows a common used 3,5 inches diskette type for

Code: DHNG The picture shows a common used 3,5 inches diskette type for

storing data. What is the data storing capacity for such diskette?

὾ 760 kB.

὾ 1,44 MB. (+)

὾ 540 kB.

὾ 20 MB.

Code: DMEO According to the IMO Gas Codes, what is the minimum

number of “Firemen’s outfits” required to be carried on an LNG carrier (gas

tanker) with a cargo capacity above 5 000 m³?

὾ 5 sets. (+)

὾ 3 sets.

὾ 4 sets.

὾ 2 sets.

Code: DHJB With two alternators operating in parallel at 75 % load capacity,

one trips without any warning. What is the first action that should be taken?

὾ Check the circuit breaker of the tripped alternator.

὾ Start and connect the emergency alternator.

὾ Trip/stop all nonessential loads that are connected to the switchboard. (+)

὾ Restart the tripped alternator immediately.

Code: DDNQ What action would you take if the performance of a plate type

heat exchanger was falling off even though flow rates and pressures of the

primary and secondary fluids were normal?

὾ Clean the heat exchanger. (+)

὾ Increase the flow of both fluids.

὾ Add some more plates to the exchanger.

὾ Increase the pressure of both fluids.

Code: DFCK What is a good practice when lineblowing/pigging from shore?

὾ There must always be one man on the ship’s office, operating the manifold valve in order to avoid to much pressure raise

in the tank.

὾ Just leave all valves open and let the shore control the blowing.

὾ There must always be one man on the ship’s manifold, operating the manifold valve in order to avoid to much pressure

raise in the tank. (+)

὾ There must always be one man on the ship’s bridge, operating the helm in order to avoid to much pressure raise in the

tank.

Code: DDNQ What will you do if the heat transfer capacity is dropping, and

we know that flow and heat energy corresponds to the specifications?

὾ Add some more plates to the exchanger.

὾ Use the “cleaning in place” arrangement to open the heat exchanger for visual inspection and manual cleaning. (+)

὾ Increase the pressure.

὾ Try to increase the flow.

Code: DVUW In case of diesel driven fire pumps, for how long shall the fuel

tank capacity allow the pump to be run at full capacity? (SOLAS II

2/4.3.3.2.3).

὾ 5 litres.

὾ 10 litres.

὾ 20 litres.

Code: DFCK You have loaded a cargo of nPropyl Acetate to all tanks. They

are each loaded to around 98 % capacity. You now have to clear the lines

into the ship. What is the biggest risk associated with this operation?

὾ Unless carefully controlled, too much disturbance will be generated in the tanks and product will be forced up the vent

risers, resulting in an overflow. (+)

὾ Unless carefully controlled, cargo will gravitate from one tank to another.

὾ Unless lines are cleared working from aft towards forward, they will simply fill up again as other lines are cleared.

὾ Unless the shore personnel are cooperative, they may cease blowing before you have had a chance to clear each one of

the ship’s lines.

Code: BXUA This circuit consists of a voltage source V, a changeover

switch S, a resistor R and a capacitor C. The voltage/time figures 1 to 4

Code: AEPT If you use chemicals for cleaning up an oilspill on the water,

what would the chemicals do?

὾ Contain the oil within a small area.

὾ Disperse or dissolve the oil into the water. (+)

὾ Remove the oil from the water.

὾ Absorb the oil for easy removal.

Code: AEPV You are on a vessel 10 nautical miles off the coast of Nigeria,

West Africa. Are you allowed to dump empty glass bottles overboard?

὾ Yes, glass bottles can be dumped overboard.

὾ Yes, the bottles can be dumped if they are ground so that the resulting particles can pass through a screen with 50 mm

openings.

὾ Yes, the bottles can be dumped if they are ground so that the resulting particles can pass through a screen with 25 mm

openings. (+)

὾ No, glass bottles can not be dumped overboard.

Code: AFCJ Why are all RoRo passengers ships divided into vertical

“zones”?

὾ Vertical zones are fire zones which can be divided from each other with fire doors. In case of fire, all fire doors in front and

aft of the fire will be closed to prevent spreading of smoke/fire. (+)

὾ Vertical zones are separated with fire doors which will be closed automatically when the fire alarm start.

὾ All vertical zones are separated with watertight doors, which will be closed in the case of a grounding, etc.

὾ There is one fire team in each zone.

Code: AFHF In the type of fluorescent lamp system shown in the illustration,

the role of the starter is to perform which of the following?

὾ To change the ballast to a high inductive current and then divert this current through the lamp.

὾ To create a high starting current.

὾ To pass current through the lamp heaters and then interrupt the inductive striking current. (+)

὾ To switch on current through the lamp and to disconnect the ballast once the lamp has started.

Code: AFQI What is the normal thickness of the primary barrier (membrane)

on membrane containment type systems as used in LNG carriers?

὾ 0,71,5 mm. (+)

὾ 1,52,0 mm.

὾ 2,02,5 mm.

὾ 0,20,5 mm.

Code: AFPT You are in open water and clear conditions. You are

approaching the pilot station when you hear this signal from a vessel ahead

of you. What does it signify?

὾ That the vessel is operating astern propulsion. (+)

὾ That the vessel is starting his engine and resuming his passage.

὾ That the vessel is picking up his pilot.

὾ That the vessel is altering his course to starboard.

Code: AFQY What is the weather associated with being in the centre of an

Anticyclone (a region of High Pressure)?

὾ Light winds and fair weather, sometimes fog. (+)

὾ Strong winds but with very little rain.

὾ Strong winds and heavy rain.

὾ Persistent rain and very humid weather.

Code: AFFG The abbreviation “NPSH” is often seen in connection with the

efficiency of cargo pumps on oil tankers. What does this abbreviation stand

for?

὾ Nominal Pressure Suction Head.

὾ Natural Pumping Standard Height.

὾ Necessary Pumping Suction Hazard.

὾ Net Pressure Suction Head. (+)

Code: AEOG What is the purpose of the unscheduled inspectors on board

ships?

To determine whether the ship is seaworthy. (+)

὾ To determine whether the ship is seaworthy. (+)

὾ To issue a certificate of seaworthiness.

὾ To issue a trading permit.

὾ Mainly to determine whether the manning regulations have been adhered to.

Code: AFCL You are inerting a cargo tank on an oil tanker, prior to gas

freeing for entry. What is the maximum permitted oxygen content in the inert

gas main as required by SOLAS 1974?

὾ 12 % by volume.

὾ 8 % by volume.

὾ 5 % by volume. (+)

὾ 2 % by volume.

Code: AEFB The death of a passenger occurs on board, what legal actions

must be taken by the Master?

὾ First aspect confirm death. Notify company, and nextofkin, and if on board to be advised and comforted as may be

required. Arrange to have body moved to freezer area. Notify local agents and British Consul when abroad. Entry to be made

in Record of Births and Deaths. (+)

὾ Confirm death. Have body moved to a freezer compartment. Contact local agent and British Consul as appropriate.

Complete narrative section of Official log book. Make an entry in the deck log book detailing actions taken.

὾ Confirm death. Contact local agent and arrange to have body medivacced from vessel. Notify company. Complete births

and deaths section of official log book.

὾ Confirm death. Notify nextofkin, and if on board to be comforted as may be necessary. Make an entry in the Births and

Deaths section of the OLB, make entries in the narrative section of the OLB. Notify agent and British Consul when abroad.

Have belongin.

Code: AEOC Are there any restrictions for transit of the Suez canal?

὾ The Suez Canal is a sealevel canal. There are beam and draft restrictions for very large vessels. (+)

὾ There are restrictions because of canal locks.

὾ There are no restrictions. Transit at masters discretion.

὾ There are no restrictions. Transit at masters discretion, but pilot is compulsory.

Code: AEOA Which is the preferred method for starting an air conditioning

refrigeration compressor which has been shut down for a period of time?

὾ Start with suction valve throttled in to minimise risk of drawing liquid refrigerant into the compressor. (+)

὾ Start and stop repeatedly until suction pressure and oil pressure are normal.

὾ Start with all system valves fully opened.

὾ Start with the discharge valve throttled in to prevent excess condenser pressure.

Code: AEMQ What colour flare is used to signal a highly dangerous landing

place?

὾ Every 3 months. (+)

὾ Every 6 months.

὾ Every week.

Code: AEKL If a seaman has to walk across a stow of cartons containing

perishable foodstuffs what should he do to minimise the risk of damage to

the contents? Select the most appropriate option from those given.

὾ He should step on the edges of the cartons.

὾ All parts of the carton are of equal strength and therefore it doesn’t matter which part he steps on.

὾ He should step on the comers of the cartons. (+)

὾ He should step on the middle of the cartons.

Code: AENE Feed check valves for main and auxilliary purposes are

normally of the double shut off type, as shown in the diagram. What is the

main function of the nonreturn valve?

὾ To prevent the steam and water in the boiler from discharging out by the feed line, if a feed line fracture or a joint in the line

blows. (+)

὾ To increase the workload for staff when overhauling the boiler.

὾ To allow overhaul of the screw down valve when the nonreturn valve is shut and the boiler is steaming.

὾ To allow fine tuning of feed water flow to the boiler.

Code: AEII Normally ventilation fans in enclosed roro spaces must be run

continuously whenever vehicles are on board, why?

὾ An increased number of air changes may be required when vehicles are being loaded or unloaded, or where flammable

gases or liquids are stowed in closed roro spaces. (+)

὾ It is better to run the fans continuously instead of testing the atmosphere.

὾ It is easier for the crew, they don’t have to think about starting and stopping of fans.

὾ The manufacturer of the fans recommends continuous operation to reduce maintenance cost.

Code: AECL What is the correct chemical name for Caustic Soda in liquid

form?

὾ Potassium Hydroxide solution.

὾ Sodium Chlorate solution.

὾ Sodium Hydroxide solution. (+)

὾ Sodium Hypochlorite solution.

Code: AEJA One water fog applicator is required for each pair of breathing

apparatus on board which type of ship?

὾ Passenger ships carrying more than 36 passengers. (+)

὾ Chemical tankers.

὾ Tankers.

὾ Passenger ships fitted with car decks.

Code: ADTB Why did they order another tug?

὾ Because the bow thrust was useless in the strong wind.

὾ Because they wanted to make sure that the ship could be turned safely. (+)

὾ Because the mates always receive their instructions prior to berthing and they all felt that another tug was needed.

὾ Because the ship was going to berth with port side to the terminal.

A contractor is hired to install new navigation equipment

Code: AEAV A contractor is hired to install new navigation equipment

onboard your ship while it’s berthed. For a period of time he’s left

unsupervised and photographs schematics of the ship that he finds rolled up

and stored in the corner of a nearby office. Later, from home, he hacks into

the network and prints off information about the ship’s security procedures.

Which of these information security measures would have prevented his

unauthorized access?

὾ Secure area, passwords, a firewall and a secure network. (+)

὾ Protective markings, reference checks, and passwords.

὾ Firewall, protective markings, vetting and a secure network.

὾ Secure area, passwords, a firewall and protective markings.

Code: ADSH The Training Manual shall contain instructions and information

on the lifesaving appliances and the best method of survival. The training

manual shall contain detailed explanations of crew duties in relation to

emergency situations. Which of the following tasks or duties shall be

included in the manual according to present regulations?

὾ The use of the ship’s line throwing apparatus. (+)

὾ The use of escape routes and other escape methodes.

὾ The use of surface to air visual signals to be used by survivors.

὾ The use of navigational equipment for survival crafts.

Code: ADNN Which of the following spaces may be protected by a fixed

carbon dioxide (CO₂) fireextinguishing system?

὾ Machinery spaces of category A. (+)

὾ Cargo tanks of tankers.

὾ All the spaces mentioned.

὾ Special category spaces of passengers ships.

Code: AECJ A drip tray containing oil is on fire. The only fire fighting

equipment available is water hose with spray jet/spray nozzle. How, if at all,

should you attempt to put out this fire using water?

὾ Water should be applied in a jet to the back of the fire.

὾ Water should be applied to the oil in a single jet only.

὾ Water should not be used on any type of oil fire.

὾ The water can be applied in a fine spray starting from the front in a sweeping motion. (+)

Code: ADQP You have just joined a chemical tanker. Where would you find a

description of the ship’s cargo handling equipment, details on the ship’s

cargo unloading procedures and tank stripping and details on procedures

relating to the cleaning of cargo tanks, the discharge of residues, ballasting

and deballasting?

὾ The Annex II Procedures and Arrangements Manual. (+)

὾ The applicable equipment manufacturer’s maintenance and operation manuals.

὾ The Cargo Handling Logbook.

὾ MARPOL 73/78.

Code: ADDQ What is the purpose of the LD (low duty) compressors on an

LNG carrier?

὾ To handle the LNG boiloff vapour for fuelling the boiler. (+)

὾ To discharging the LNG cargo at a slow rate.

὾ To deliver inert gas and to aid cooling down of the cargo tanks.

὾ To transfer cargo vapour to the shore installation during loading operations.

Code: ADLS Other than the official log book what other publications must be

carried on board of a vessel?

὾ ISGOTT, SOLAS, MARPOL, Bridge Team Management, OCIMF Mooring guidelines.

὾ The official log book and crew agreement are the only two publications which must be carried on board.

὾ Charts, nautical publications, GMDSS log, Oil Record book(s). (+)

὾ All technical books relevant to the machinery currently on board.

Code: ADVC Can a British Consular official detain a vessel whilst in a foreign

port?

὾ Yes - any consular official can detain a vessel. (+)

὾ Only the most senior consular official can detain a vessel.

὾ Only if he is also a Marine Officer, or on instruction from the MCA.

὾ Not under any circumstances.

Code: ADQO What do you understand by the term “Terminal

Representative”?

὾ A bulk cargo terminal agent.

὾ A cargo facility terminal agent.

὾ A person appointed by a cargo terminal for operations conducted by that terminal with regard to a ship. (+)

὾ A person appointed by a cargo terminal for matters related to crew welfare under the International Labour Convention.

Code: AFVO High Voltage (HV) cables are smaller than low voltage cables

for a given power rating. Why is this?

὾ The HV cable carriers a smaller current and therefore requires less copper. (+)

὾ The HV cable uses Aluminium conductors and therefore requires them to be a smaller crosssectional area.

὾ The HV cable uses higher quality copper conductors and therefore requires them to be a smaller crosssectional area.

὾ The HV cable has a thinner wall of special insulation material.

Code: AKGL What is the MARPOL definition of a “highviscosity substance”?

὾ A noxious liquid substance of any category with a pour point of greater than 37,8 degrees Celsius.

὾ A noxious liquid substance in category “X” or “Y” with a viscosity equal to or greater than 50 mPas at the unloading

temperature. (+)

὾ Any noxious liquid substance, the residues of which cannot be stripped from a cargo compartment and its associated

piping and pumping system to equal to or less than 75 litres.

὾ A noxious liquid substance in category “Y” with a viscosity equal to or greater than 100 mPas at 37,8 degrees Celsius.

Code: AFYY When discussing the properties of an oil cargo, what is the “wax

content”?

὾ The percentage of paraffinic wax by volume, based on a representative sample of the crude oil. (+)

὾ The amount of additive in an oil product, expressed in ppm, designed to inhibit solidification at lower temperatures.

὾ The observed volume percentage of waxy deposits found in a cargo tank after discharge in relation to the total volume of

cargo previously carried.

὾ The percentage of wax, expressed as a percentage, remaining in an oil product after distillation.

Code: SCPN

1 GHz is equivalent to:

὾ 100 000 Hz.

὾ 1 000 000 000 Hz. (+)

὾ 10 000 000 000 Hz.

὾ 1 000 000 Hz.

Code: AGEC When is a tank gas free?

὾ A tank is only to be considered as gas free when no traces of flammable and/or poisonous gas are measured and in

addition O₂ content is measured to be 21 %. (+)

὾ A tank is only to be considered as gas free when it has been cleaned and the O₂ content is measured to be 21 %.

὾ A tank is only to be considered as gas free when it has been cleaned, ventillated and there is no smell in the tank.

὾ A tank is only to be considered as gas free when it has been cleaned and there is no smell in the tank.

Code: TCUD At what calendar interval must lifting appliances on board a

vessel be suitably tested by a competent person?

὾ 5 years. (+)

὾ 2 1/2 years.

὾ 2 years.

὾ Annually.

Code: AKAT On some trades fruit cargoes may be subjected to “inŧransit

cold treatment” also known as cold treatment. From the options given which

is the main purpose of this cold treatment?

὾ To maintain a specified minimum temperature for a prescribed time period to kill off any fruit fly which may be present

when loading the cargo. (+)

὾ To maintain the temperature of the fruit within very tight tolerances.

὾ To ensure that the fruit is carried as cold as possible without damaging the fruit.

὾ To achieve uniform quality of the fruit at discharge.

Code: AKAJ If oil out of the bowl casing drain of a solids ejecting separator

Code: AKAJ If oil out of the bowl casing drain of a solids ejecting separator

what is the most likely problem?

὾ Oil has been fed to the separator before full speed.

὾ Insufficient amount of bowl closing water. (+)

὾ The sludge tank is full.

὾ The Windlass is indicated by A, in the figure.

὾ The Windlass is indicated by B, in the figure.

Code: AKQA On a general cargo ship, where would the fire hydrants be

located?

὾ At such locations that at least two jets not emanating from the same hydrant may reach any part of the ship normally

accessible to the crew while the ship is being navigated, one of these jets coming from a single length of hose (the other jet

may come from two hoses joined). (+)

὾ At such locations that at least two jets not emanating from the same hydrant may reach any part of the ship normally

accessible to the crew while the ship is being navigated, each of these jets coming from a single length of hose.

὾ At such locations that no part of the ship normally accessible to the crew while the ship is being navigated is located more

than 20 metres away from a hydrant.

὾ At such locations that no part of the ship normally accessible to the crew while the ship is being navigated is located more

than 40 metres away from a hydrant.

Code: AFRF On board a DSCcall is to be made in case of an OBS. Choose

the category:

὾ Ship’s business.

὾ Routine. (+)

὾ Safety.

὾ Don’t know.

Code: AFTY To make a “callrequest” one should:

὾ Select the telex in online position. (+)

὾ Select the ID of the NCS.

὾ Select the telex in offline position.

὾ Don’t know.

Code: AGLK Falls used in launching shall be turned end for end at an

interval of not more than X months and to be renewed not later than every Y

years, where the intervals are:

὾ 6 months/2 years.

὾ 12 months/4 years.

὾ 20 months/3 years.

὾ 30 months/5 years. (+)

Code: AGFQ How many rescue boats should be provided on roro

passenger ships of 500 gross tons and above?

὾ Two, and at least one of the rescue boats shall be a Fast Rescue Boat. (+)

὾ One Fast Rescue Boat.

὾ None providing the ship has lifeboats.

὾ Two Fast Rescue Boats, one on each side of the ship.

Code: EFNC According to SOLAS Regulation all dedicated seawater ballast

tanks on oil tankers shall have an efficient corrosion prevention system such

as hard protective coatings or equivalent. With regard to coatings do SOLAS

set any requirement to colour?

὾ Preferably light colour. (+)

὾ Preferably light red colour.

὾ Preferably dark colour.

὾ No requirement.

Code: AKRW According to the rules of GMDSS vessels are equipped with

certain radiocommunication devices depending on:

὾ The Fairlead is indicated by C, in the figure. (+)

὾ The Fairlead is indicated by D, in the figure.

὾ The Fairlead is indicated by B, in the figure.

὾ The Fairlead is indicated by A, in the figure.

Code: AKPH There are many types of pumps fitted onboard ship which an

engine room rating may be required to assist with the maintenance of.

Which type of pump is shown in the illustration?

὾ A reciprocating pump.

὾ A centrifugal pump. (+)

὾ A gear pump.

὾ A scroll pump.

Code: BSVJ The circuit consists of two inductors, L(1) = 6 H and L(2) = 12 H,

connected in parallel. Calculate the equivalent L(S) of the two inductors:

὾ The process by which unsaturated chemical compounds are heated under pressure, causing the molecules to react with

each other and form larger molecules. (+)

὾ The process by which the molecules in unsaturated chemical compounds react with each other during cooling, forming

larger molecules.

὾ The process by which saturated chemical compounds are heated under pressure, causing the molecules to react with

each other and form smaller molecules.

὾ The process by which saturated chemical compounds react as pressure is released during heating, causing the molecules

to react with each other and form larger compounds.

Code: VAVS In the case when the temperature of the ambient air is equal to

10 °C and the wind is blowing at a speed of 10 m/sec the shipwrecked

person must consider that the effect of air on his body is equivalent to that of

an air whose temperature would be approximately:

὾ 10 °C.

὾ 0 °C. (+)

὾ Faults in injection valves, injection too early.

὾ Too big a piston clearance, worn cylinder liner.

὾ The gudgeon pin or big end bearing having too big a clearance.

Code: TCUD Cargo gear/cranes should at regular intervals be thoroughly

examined and load tested by a recognised company/yard. How often should

such examination/load test take place?

὾ Every 4th year.

὾ Every 5th year. (+)

὾ Every 2 1/2 year.

὾ Annually.

Code: JSWF According to the industry guidelines in the ISGOTT Guide and

assuming terminal regulations do not require otherwise, what action should

be taken to drain accumulated water from the deck during cargo handling

operations in rainy conditions?

὾ The accumulated water is to be drained periodically and the scupper plugs to be immediately closed once the water has

been run off. Water containing oily residues is to be transferred to a slop tank or other suitable receptacle. (+)

὾ The scupper plugs are to be kept closed and sealed; any volume of water that is not contained should be allowed to flood

over the fishplate.

὾ During periods of heavy rain, it is considered prudent and safe to allow water to drain continuously; therefore scupper

plugs should be removed in such conditions.

὾ The accumulated water is to be transferred to a spare tank.

The accumulated water is to be transferred to a spare tank.

Code: AISY According to 33 CFR 156, oil tankers trading in US waters are

required to test and document the testing of cargo transfer hoses and

transfer pipe system. What is the minimum requirement when testing these

components?

὾ That no leakage occurs under static liquid pressure of at least 1,5 times the maximum allowable working pressure. (+)

὾ That no leakage occurs under dynamic fluid pressure of less than 1,5 times the maximum allowable working pressure.

὾ That no leakage occurs at the nominal anticipated working pressure.

὾ That no leakage occurs under static liquid pressure of at least 1,25 times the maximum allowable working pressure.

In a smoke filled alleyway where will the cleanest air be found,

Code: AISX In a smoke filled alleyway where will the cleanest air be found,

and how should you proceed out?

὾ Near to the deck, crawl out keeping your face as near to the deck as possible. (+)

὾ Sit and wait for the rescue party.

὾ It will be the same in all parts, therefore I would just leave as quickly as possible.

὾ Towards the upper part, stand as tall as possible and walk out.

Code: AIWE Which one of the listed requirements regarding fire protected

lifeboats do not correspond to present regulations? Water spray systems

shall:

὾ Have separate draining pumps of sufficient capacity. (+)

὾ Be arranged for flushing with fresh water and allowing complete draining.

὾ Protect the occupants through a continuous oil fire for a period of not less than 8 minutes.

὾ Have means for “turn on/turn off” the flow of water over the exterior of the lifeboat.

Code: AISY What is the required pressure when testing parts of the oil

transfer system (hoses, loading arms etc.) if the test is to satisfy US Coast

Guard regulations?

὾ Test pressure equal to 1,75 times the maximum allowable working pressure.

὾ Test pressure equal to 1,25 times the maximum allowable working pressure.

὾ Test pressure equal to 1,5 times the maximum allowable working pressure. (+)

὾ Test pressure equal to the maximum allowable working pressure.

Code: AIQE During crude oil washing of No: 1C tank the duty deck officer

reports that the oxygen reading in the tank is 9 %. What should you do?

὾ Stop the washing process and not resume until the oxygen content in the tank below 8 %. (+)

὾ Carry on and ask the engineers to check the inert gas system.

὾ Stop the washing process and not resume until the oxygen content in the tank is below 2 %.

὾ Carry on with the washing as the reading is below 11 %.

Code: AINY Which class of emission is used for FEC NBDP transmissions?

὾ G3E.

὾ G2B.

὾ J3E.

὾ F1B. (+)

Code: AJAS On a container vessel, where should a midbay guide be

positioned?

὾ On the tank top midway in 40′ guides to prevent transverse movement of 20′ containers. (+)

὾ On the tank top at the ends of 40′ container bays.

὾ At the base of cell guides.

὾ Between 20′ container bays on deck.

Code: AIWH Give the meaning of the following symbol:

὾ The piston always has a short skirt.

὾ A 2stroke engine always has 2 or more turbochargers.

὾ A 2stroke engine has an air inlet valve in the cylinder cover.

὾ A 2stroke engine completes a full cycle every revolution. (+)

Code: AGDW What contributes most to rust formation on vehicles/RoRo

units?

὾ Cargo hold ventilation systems and associated ducting. (+)

὾ Pipes passing through cargo holds.

὾ Vehicles loaded wet.

὾ Hydraulic units in cargo holds.

ALEN What is the colour of the smoke signal used by lifesaving stations or

rescue units indicating that distress signals are observed in daylight?

὾ During loading/discharging of persistent/nonpersistent oil. (+)

὾ At all terminals where tugs are available.

὾ When requested by the terminal staff.

὾ At the terminals in Canada and USA.

Code: AGCH What is the correct name of the tool shown in the sketch?

὾ Grinding machine.

὾ Flat file. (+)

὾ Chisel.

὾ Pliers.

Code: CUCJ This circuit consists of two resistances, R1 = 6 ohm and R2 =

12 ohm, connected in series. Calculate the equivalent resistance R(S) of the

two resistances.

὾ R(S) = 18 ohm. (+)

὾ R(S) = 4 ohm.

὾ R(S) = 2 ohm.

὾ R(S) = 1,5 ohm.

Code: ORIW This circuit consists of two capacitors, C(1) = 6 μF and C(2) =

12 μF, in series. Calculate the equivalent C(S) of the two capacitors.

὾ C(S) = 1,5 μF.

὾ C(S) = 2 μF.

὾ C(S) = 4 μF. (+)

὾ C(S) = 18 μF.

Code: AKMY What are we seeing here?

὾ A sailing vessel less than 20 metres in length, displaying the optional combined lantern in lieu of standard sailing lights,

seen head on. (+)

὾ A sailing vessel, seen from astern, where the edges of her sidelights are both visible.

὾ A sailing vessel of less than 10 metres in length, displaying the mandatory combined lantern in lieu of sailing lights, seen

headon.

὾ A sailing vessel, at anchor.

Code: AKRL When lashing general cargoes why are short lashings preferred

to long ones?

὾ Because they are more easily tightened and held in tension. (+)

὾ Because long lashings are more prone to vibration.

὾ Because some of the ship’s lashing points may not be designed to hold long lashings.

὾ Because the safe working load of lashing materials decrease with length.

Code: AGKP When will a roro vessel pitch heavily?

὾ When wave lengths are equal to the ship’s length. (+)

὾ When wave lengths are equal to half the ship’s length.

὾ When wave lengths are equal to twice the ship’s length.

὾ In confused seas.

Code: AGOS What is understood by the term “take the helm”?

὾ Take over the steering of the ship. (+)

὾ Take a message to another officer.

὾ Take over heaving of a rope.

὾ Change the place where the lookout is standing.

Code: AGCP What types of fire extinguishers shall be used in the engine

room?

὾ Fire extinguishers equipped for powder or CO₂ only. (+)

὾ Any fire extinguisher with a weight of less than 100 lbs.

὾ Fire extinguishers filled with fresh water only.

὾ Fire extinguishers of the handysize types only.

Code: AGGL In which way may intake of poisonous material occur?

὾ Skin penetration and skin absorption.

὾ Swallowing.

὾ By inhalation.

὾ All mentioned. (+)

Code: AGOS What is a steering wheel?

὾ A helm used to steer the ship. (+)

὾ A drum for heaving of ropes.

὾ A steering compass.

὾ Another name for a lifebuoy.

Code: AGEA During mooring operations which is the safe place to be in?

὾ Outside the colored zone. (+)

὾ Behind the “point of restraint” but inside the zone.

὾ Between the “point of break” and the “point of restraint”.

὾ Where ever you feel safe.

L(S) = 1,5 H.

Code: AGEC Considering the range of sensitive liquid chemicals which

routinely require wallwash prior to loading, what product is mainly used as

the rinsing agent in wallwashing?

὾ Methanol. (+)

὾ Industrial Ethanol.

὾ Isopropanol.

὾ Water.

Code: AKRT A lifejacket is so constructed that a person can correctly do it

within a period of:

὾ 30 sec.

὾ 2 min.

὾ 1 min. (+)

὾ 10 sec.

Code: AKNP What significant change to the requirements for the carriage of

Vegetable Oils in tankers was introduced by the amendments to MARPOL

and the IBC Code on 1st January 2007?

὾ They must now be carried in doublehull tankers. (+)

὾ They must now be carried in type 2 tanks.

὾ There is no changes.

὾ I don’t know.

Code: WAVJ Which of the below statements characterizes the most

significant differences between a waterŧube boiler and a fireŧube boiler

during operation?

὾ Waterŧube boilers are more efficient and contains less water. They suffer from major damages when run dry during

operation. (+)

὾ The firetube boiler does not need any nonreturn valves in the feedwater line circuit.

὾ The watertube boiler can tolerate a short period of time without any water, when the oilburner is still in action.

὾ The firetube boiler has a much better capability to work at higher steam pressure.

Code: AHWE Which is the “PANAMA LEAD”, in the figure?

὾ The Panama Lead is indicated by A, in the figure.

὾ The Panama Lead is indicated by B, in the figure.

὾ The Panama Lead is indicated by C, in the figure. (+)

὾ The Panama Lead is indicated by D, in the figure.

Code: AIIW What does wet washing mean?

὾ The bottom washing starts whilst there is still a small amount of cargo in the tank. (+)

὾ Dry top washing and wet bottom washing.

὾ The oil is too “wet” to use for crude oil washing.

὾ Start the wet crude on washing on a dry bottom.

Code: AING Which of the following is a chemical commonly added to

cleaning substances used to clean galley areas?

὾ Beach.

὾ Blanch.

὾ Breach.

὾ Bleach. (+)

Code: AHWF You are the Officer in Charge during the loading of a tanker at

a terminal in the Persian Gulf. The deck watchman reports “There is a lot of

oil on the water to starboard”. What should be your FIRST action?

὾ Tell the jettyman to stop loading immediately.(+)

὾ Call the Master.

὾ Check the Oil Discharge Monitoring Equipment (ODME).

὾ Find out if the oil is coming from your vessel.

Code: AHXB Sea area A4 is in maritime radio traffic sea area:

὾ Outside the sea areas A1, A2 and A3. (+)

὾ With the exception of sea areas A1, A2 and A3, within the range of Inmarsatsatellites, where continuous alarm is

available.

὾ Upto 12 miles of land.

὾ Within VHFradiotelephonyrange of a coast station, where continuous DSCalarm is available.

Code: MNGY When 3 phase alternators are operating in parallel, it is very

important that the reactive load is evenly shared so that the total alternator

loads are evenly shared. If the total alternator load is the vector sum of

active and reactive loads, which side of vector diagram (power triangle)

shown represents the reactive load?

὾ (X).

὾ (Y). (+)

὾ Either (X) or (Y).

὾ None of the mentioned alternatives.

Code: AINU Which of the following items shall be included in an “abandon

ship”drill?

὾ Checking that passengers and crew are suitably dressed and lifejackets correctly donned. (+)

὾ Checking that all crew and passenger are present.

὾ Checking the distress signal rockets and other distress signals.

὾ Checking the lifeboat provisions and supplies.

Code: AIGK What is the main responsibility of a bridge lookout at night?

὾ Inform the bridge of any new lights when they appear over the horizon or any other items observed which may affect the

ship. (+)

὾ Inform bridge of changing weather patterns.

὾ Inform bridge of any lights when they appear over the horizon.

὾ Inform bridge of any other ships observed, which appear to be getting closer to your own ship.

Code: AIGK What is the main requirement of a lookout posted on the bridge?

Good eyesight and able to communicate with the OOW (officer on watch). (+)

὾ Good eyesight and able to communicate with the OOW (officer on watch). (+)

὾ To see changing weather patterns.

὾ To assess ship types.

὾ To detect new targets when they break the line of horizon.

Code: AKAJ If oil flows out of the bowl casing drain of a solids ejecting

separator what is the most likely problem?

὾ Oil has been fed to the separator before full speed.

὾ The flow rate is too high.

὾ The sludge tanks is full.

὾ Insufficient amount of bowl closing water. (+)

Code: AJRA On the figure possible definitions of the term “HEIGHT” are

given. Which one is the correct one?

Sea-man Delta-test. Tests with answers (2023) - page 5