家在线测试 CES Gas tanker Deck Support Test online CES 5.1 for Deck department, Support level, Gas tanker vessel

在线测试： Test online CES 5.1 for Deck department, Support level, Gas tanker vessel

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问题 1 从 90

Oily rags and metal turnings

are not a fire hazard at all

are not a fire hazard unless ignited

are a fire hazard because they generate their own oxygen when ignited and are therefore difficult to extinguish

are a fire hazard because they are liable to spontaneous combustion

When a DSC-message of the ‘distress’ category is received, in order to start distress alert communication in so far as not indicated in the alert, you will switch to VHF channel:

The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge, and in a few minutes the pressure drops sharply. This could be a result of the :

ship's pump speeding up

booster pump being lined up in the wrong direction

booster pump failing to start

booster pump coming on the line and discharging properly

When should gangway nets be rigged?

When it is deemed necessary by the Master or the Chief Officer.

Whenever the gangway is rigged.

Whenever the gangway is regarded as unsafe.

Between sunset and sunrise.

If your chemical tanker is equipped with high velocity venting valves, at what minimum height above the weather deck or catwalk should they be installed?

2.5 metres

6 metres

3 metres

4.5 metres

Which international regulations govern the disposal of waste material, including galley waste, from ships?

Chapter II, SOLAS 1974.

The Industry Best Practise Guide for Restaurant Management.

Annex V, MARPOL 73/78.

Section III, ISPS Code.

The abbreviation "NPSH" is often seen in connection with the efficiency of cargo pumps on oil tankers. What does this abbreviation stand for?

Necessary Pumping Suction Hazard.

Natural Pumping Standard Height.

Nominal Pressure Suction Head.

Net Pressure Suction Head.

Prior to bunkering operations it is necessary to check the quantity of fuel remaining onboard and that there is sufficient room for the fuel that is to be loaded. What is the best method to use to establish this?

Sound the tanks which you think might still contain some fuel.

Do a complete sounding of all fuel bunker tanks

Take a full set of readings from remote content gauges.

Use the latest figures from the fuel record book.

What method should be used to discharge a semi-pressurised gas carrier if there is a break down on the cargo discharge pump?

By using the cargo compressor to pump the cargo vapour ashore as it boils off.

By using a portable submersible pump to empty the affected tank

By using the inert gas system to pressurise the cargo tank and force the liquid cargo ashore.

By pressurising the vapour space of the cargo tank using a vaporiser and cargo compressor to force liquid cargo ashore.

Which of the following knife types has a flexible blade, a round tip and is used for removing items from baking trays or spreading fillings and icing?

A griddle slice.

A paring knife.

A utility knife.

A palette knife.

What action would you take if confirmed boiler water test results showed that the pH of the water in the boiler was below 7?

Blow the boiler and top up again with untreated feed water.

Retest the water after increasing the treatment chemical dosage.

Nothing, this is an acceptable value for the pH of boiler water.

Retest the water after decreasing the treatment chemical dosage.

Training manuals for Life Saving Appliances and Fire Fighting systems and equipment shall be provided in crew mess room, recreation room or in each crew cabin. The training manuals shall explain the following in detail:

General Emergency procedures

Emergency procedures including alarm signals, general instructions and safety practice onboard, specific information on equipment, operation of equipment

Alarm signals and donning of lifjackets

Manufacturer's specific information on equipment including maintenance procedures, operation of equipment

Why are crankcase heaters fitted to freon compressors?

To stop oil from thickening.

None of the mentioned alternatives.

To prevent freon condensing when the compressor is stopped.

To boil off any water.

On a General Cargo ship, what must completed before a cargo hoist wire is replaced on a deck crane ?

Permit received from Port Authorities

A full risk assessment carried out and a permit to work issued

Check list completed and work plan agreed

Risk assessments would not be required for this type of work

Most medium and high speed engines for marine use operate on the four stroke cycle and use direct admission of compressed air into the cylinders for starting purposes. During which part of the cycle does start air admission normally take place?

The first part of the air induction stroke.

The latter part of the expansion (power) stroke.

The latter part of the expansion stroke.

The first part of the expansion (power) stroke.

Is it allowed to have animals on the car deck during a voyage?

Yes, if they are safely placed in a suitable vehicle

Only if the weather conditions permit

It is up to the captain to decide

What should be done in preparation for loading cold rolled steel sheets in bulk carriers?

8mm wire cables should be laid athwartships over the tank top spaced 5m apart

Dunnage should be laid athwartships over the tank top

Dunnage should be laid fore and aft over the tank top

16mm wire cables should be laid fore and aft over the tank top spaced 3m apart

When working in parts of the inert gas system such as the scrubber or deck water seal, what procedure must be followed?

Normal working practice.

Working with self contained breathing apparatus (SCBA).

Enclosed space entry.

Working aloft.

An engine room rating is given the task of retightening the flanges of a pipe that has been replaced in the engine room. Which of the following tightening procedures should be followed?

Start with the bottom bolt and partially tighten each bolt in turn working counter-clockwise around the flange. Repeat to fully tighten.

Fully tighten each bolt in turn and work diagonally across and around the flanges.

Gradually tighten all of the bolts working diagonally across and around the flange.

Start with the top bolt and fully tighten each in turn moving clockwise around the flange.

Consider a vessel with a 6 cylinder main diesel engine operating with one cylinder out of operation. What would you expect to be the approximate maximum reduced engine load to allow safe emergency operation in this condition?

Approximately 70 % of MCR

Approximately 30% of MCR.

Approximately 90 % of MCR

Approximately 50 % of MCR

Too high exhaust temperature in one cylinder becomes because of:

Leakage in the inlet valves.

Poor cylinder condition – blow by –including leaking exhaust valves.

Too low admission on fuel injection pump.

The amount of cylinder lubricating oil feed to the cylinder is too small.

For how long must you save the printouts from the ODME?

Until the end of the voyage.

3 years.

5 years.

3 months.

What is the main purpose of routine testing of cooling water?

To ensure that the proper residuals of treatment chemicals, as specified, are maintained at all times

To detect dissolved oxygen in the water

To measure the pH - value of the water

To detect presence of contaminants in the water

What are the characteristics of Seed Cake group B (IMDG Class 4.2) cargo?

Liable to spontaneous combustion only

May self-heat slowly; may spontaneously ignite; liable to oxidise

May self-heat slowly; may spontaneously ignite; liable to oxidise; may produce carbon dioxide

Liable to oxidise only, causing subsequent reduction of oxygen in the cargo spaces

Your ship has its main entry door from the maindeck on the starboard side, a few metres back from the front of the accommodation. It is also the closest emergency exit from the ship's offices and the crew mess-room in the event of an emergency. You are about to commence loading several grades of chemicals. There are no significant security concerns. What should happen to the door?

It can be open, provided the wind is blowing away from the accommodation.

It should be closed and locked.

It should be open in case an emergency occurs.

It should be closed, but not locked.

Can slop tanks be used for the carriage of oil and are they therefore included in the total cargo capacity of an oil tanker?

Slop tanks may be used for the carriage of oil when not being used for the carriage of slops and are included in the total cargo capacity of the vessel.

Slop tanks may only be used for the carriage of oil on clean ballast tankers and are only included in the total cargo capacity of this type of vessel.

Slop tanks may only be used for the carriage of oil cargo by agreement between the shipper, receiver and charterer. They are not normally included in the total cargo capacity of the vessel.

Slop tanks may not be used for the carriage of oil cargo under any circumstances and are not included in the total cargo capacity of the vessel.

Which one of the following international regulations is normally used when handling dangerous goods?

IMDG code

HB code

KLMNG code

SOLAS code

While alongside at a repair berth a new section of seawater pipe has been fabricated in a shoreside workshop from drawings supplied by the vessel. During fitting of the pipe by ship's engineers it is noted that the pipe is too short leaving a gap of about 8mm between the flange faces. What action should be taken to remedy this problem?

The pipe should be returned to the shoreside workshop for modification or to be remade to the correct dimensions.

The ships engineer's should use extra long bolts and pull the flanges together

The ship's engineers should fit extra thick joints between the flanges to fill the gap.

The ship's engineers should manufacture a spacer piece to fit the gap.

The Chief Engineer tells you to carry out Hot work on deck. What kind of permit do you need?

Hot work permit

No permit is required as long as the work shall be carried out on open deck

Cold work permit because the work will be carried out on open deck

Work permit

Many modern medium and high speed diesel engines operate at very high power ratings resulting in relatively high bearing loads. In order to accommodate these loads the bearings are required to have a high load carrying capacity. What kind of bearings are normally used for main and bottom end purposes to achieve this?

Thin steel shells with a thin white metal lining.

Thick white metal types with the white metal cast into the keeps to give extra fatigue strength.

Thin steel shells with a copper lead lining and a running in overlay.

Thin steel shells lined with aluminium tin alloys.

What kind of Crude Oils are required by MARPOL to be specifically listed in a tanker's Crude Oil Washing manual as unsuitable for cleaning by that method?

Those with highbenzene content.

Those with high basic sediment and water content.

Those with high pour point or viscosity.

Those on the IMO Oil Tanker Technical Committee COW banned list.

In which order should changing a section of the hatch cover seal be carried out?

Straight sections followed by moulded sections

Straight sections + 5% followed by moulded sections

Moulded sections followed by straight sections cut to the length required + 5%

Moulded sections followed by straight sections cut to the required length

An OBO or O/O carrier, due to the movement of liquid in a cargo hold during rough weather, the possibility of liquid entering the inert gas piping is great. To avoid this U-bends are sometimes fitted on the line emerging from the hatch coaming. These bends generally have a drain cock at the bottom. These cocks should be:

Opened and checked every day irrespective of the weather?

Opened after rough weather or before loading/discharging or transferring cargo to check for liquid accumulation and contents drained into a drip pan.

Never opened?

Left open during rough weather to prevent liquid being trapped in the U-bend and blocking the line?

Signals used by aircraft engaged in search and rescue operations to direct ships towards an aircraft, ship or person in distress. What is the meaning of the signal?

Medical assistance required

Landing is highly dangerous

The assistance of the vessel is no longer required

The aircraft is directing a vessel towards an aircraft or vessel in distress

What is the first line of defence against ingress of water into a bulk carrier?

Pipe outlets

The shell plating

Machinery spaces

Hatch covers

What is the function of the ESD on a gas carrier?

The function of the ESD is to close loading valves, switch of power to cargo compressors and pumps

The function of the ESD is to start cargo compressors or pumps

The function of the ESD is to close loading valves, switch of power to cargo compressors

The function of the ESD is to switch of power to cargo compressors and pumps

What should be on the deck immediately outside the door to a walk-in refrigerator?

Fire resistant natural fibre matting.

Easy wash plastic floor covering.

Non-slip matting.

An area marked with yellow diagonal lines.

You are experiencing large hunting on the fresh water cooling system. What is the reason?

The cooling water temperature is too low.

The expansion tank is empty.

You have a cracked liner, or cover.

The fresh water circulating pump is worn out.

Which of the following is a false statement in relation to; the best advice to a first aider is to:

Call the doctor immediately

Control the bleeding

Restore breathing and heart beat of the patient

If necessary remove the casualty from the danger

When loading stores in a tropical harbour on sunny days, which of the following categories of provisions would you arrange to get out of the sun as soon as possible?

Fruit and vegetables

Dairy items

Bottled goods

Tinned goods

From the options given, select the type of cleaner that is most suitable for washing down a refrigerated cargo space.

A cleaner which contains a powerful bleaching agent.

A cleaner which has a fresh smell such as the smell of pine.

A cleaner containing a powder scouring agent.

An odourless cleaner.

You are to load a cargo of Cyclohexanol to tanks 2, 3 and 4 centre and 2 and 4 wing tanks. The lines to these tanks are all connected at the manifold with flexible hoses and are all capable of being isolated with the exception of 2 centre, which has therefore been designated as the last tank to load. What will you do with the other tanks as they complete loading?

Close only the tank loading valves, so that pressure remains constant around the pipeline system and flexible hoses. Continue to monitor the cargo levels in the finished tanks to ensure that the high-level alarms are not activated as the ship's trim changes.

Close only the corresponding manifold cross-over valves as the tanks finish, so that the pressure in the lines equalises with the pressures in the tanks. Re-check the ullages at the end of loading as they will have changed as the trim of the ship has changed.

Close the tank loading valves, then close the appropriate manifold cross-over valves. After a few minutes, re-open the tank loading valves and leave them like this until cargo operations are completed, to ensure they drain fully. Re-check the ullages at the end of loading and then close the tank loading valves.

Close the appropriate manifold cross-over valves and tank loading valves as each tank finishes. Continue to monitor the cargo levels in the finished tanks to ensure that the valves are not passing.

An International oil pollution prevention certificate is required for:

All oil tankers

All ships of 150 gross tons or more

Oil tankers 150 gross tons or more

Oil tankers on International voyages

What is the requirement with regard to Familiarisation on board?

Seafarers on board passenger vessels must as soon as possible learn the names of all persons working in the same department in order to ensure efficient daily operation.

During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.

Seafarers shall be familiarized with all life saving appliances and emergency exits in case any emergency situation occurs. It takes normally an hour to complete the Safety Familiarisation. The safety Officer is responsible.

Seafarers, on being assigned to any ship, shall be familiarized with their specific duties and with all ship arrangements, installations, equipment, procedures and ship characteristics that are relevant to their routine or emergency duties.

What does heaving result in?

Shearing of container twistlocks

Vertical accelerations acting along container corner posts

Tipping of containers

Longitudinal accelerations acting on hatch pontoons

IMO publishes the IGC Code relating to LPG and other liquefied gas carriers. What does the IGC code primarily deal with?

Specifically, how gas carriers for hydrocarbon gases are designed

Specifically, the safety of personnel sailing on gas carriers.

How all liquefied gas carriers are constructed and equipped.

The most efficient way to operate any gas carrier.

Under what circumstances may a watch-keeping engineer undertake other duties?

A watch-keeping engineer may undertake other duties when the main propulsion controls are in manual operating mode

A watch-keeping engineer may undertake other duties when the main propulsion system requires constant supervision

A watch-keeping engineer may undertake other duties when he has been properly relieved of his watch-keeping duties

A watch-keeping engineer may undertake other duties when the ship is at sea and the weather is calm

Which of the given options is a common alternative name, or synonym, for Methane?

Dimethyl.

Marsh gas.

Oxirane.

Methyl methane.

What extra precautions should be taken by the officers and crew if some of the passengers are disabled, i.e. using wheelchair, cane, blind etc.?

Passenger with some form for disability must travel with accompany, and live in same cabin or next door.

Locate them in large cabins to ease their stay.

They must be placed in cabins on the same level as the muster station.

All passengers that will require extra assistance, also in case of an emergency situation/ evacuation, must be registered in order to allocate crew to assist them if needed.

When a ships derrick or crane lifts a weight off the deck of a ship, from which position can the centre of gravity of the weight be considered to act?

From a position on the deck at the base of the derrick or crane

From the position on the deck from which the weight was lifted

From the head of the derrick or crane

From the centre of the weight lifted

On the figure there are four (4) possible definitions of the term "AFT" shown. Which one is the correct one?

Aft is defined as B on the figure

Aft is defined as D on the figure

Aft is defined as C on the figure

Aft is defined as A on the figure

In what kind of atmosphere should tank washing be carried out onboard vessels with inert-gas system?

Steamed to a humidity of at least 75%

After an electric fan have been blowing fresh air into the tank for a minimum time of one hour.

After the bottom has been covered with salt water.

Inerted to less than 8% oxygen(IMO).

What do we measure with an explosimeter?

With an explosimeter we measure 0-20/0-100 % LEL hydrocarbons.

With an explosimeter we measure 0-21 % Oxygen content.

With an explosimeter we measure 0-2 % volume hydrocarbons.

With an explosimeter we measure 0-20/0-100 % volume hydrocarbons.

The insulation resistance (IR) to earth of a new galley hot-plate is measured to be 30 Mohm. When three identical hot-plates are tested together their combined IR will be:

90 Mohm

10 Mohm

30 Mohm

3 Mohm

What special requirements applies to fire alarm signalling systems in passenger ships

Same requirements for Fire alarm systems applies to all ships

Remote control of fire doors and reactivation of ventilation

Centralized in a continuously manned control station with remote control of fire doors, Indication of open or closed fire doors

Fail safe, Centralized in a continuously manned control station, Remote control of fire doors, Indication of open or closed fire doors, Reactivation of ventilation, Detector status, Back up powered

During routine checking of alarm functions of main and auxiliary equipment, some setpoints are canceled due to a mistake. What is the appropriate routine to ensure correct setpoints are set?

Ask your colleague if he remembers the correct setpoint

Check from previous records for correct values

Consult with the instruction manual for the equipment in question for correct values.

Select a setpoint based on present condition allowing for a reasonable safety margin.

What is a good way to get help for people with special needs?

Find helpers to act as buddies.

Find another crewmember to help.

Find an officer to help.

Help each one of them yourself.

How can the ship’s master prove that a vessel is British?

By showing survey certificates issued by Lloyds Register in London

By showing the ship-s register

By flying the Red Ensign

By showing a Certificate of Equivalent Competency issued by the MCA

During tank washing operations on an oil tanker, it is a requirement that the atmosphere within the tank is maintained with an oxygen content of not more than 8% by volume, but which of the following conditions is also a requirement?

That a positive pressure is maintained

That the atmosphere within the tank is maintained at atmospheric pressure, ie open to atmosphere

That a minimum of 2.4 bar inert gas inlet pressure is maintained

That a negative pressure is maintained

Electric ozone generators are sometimes used to remove residual odours from refrigerated cargo spaces. Which of the options given is the additional action required to ensure the operation is successful?

The cargo space should be cooled down using the refrigeration plant.

The cargo space should be fumigated.

The fans should be run continuously in the cargo space.

The source of the odour must be located and removed.

During a normal voyage, heat is transferred to the LNG cargo through the cargo tank insulation, causing vaporisation of part of the cargo. The composition of the LNG is changed by this boil-off because the lighter components vaporise first. Which of the components in the LNG cargo will have a lower percentage on arrival discharge port?

Pentane.

Methane.

Butane.

Ethane.

What dangers are associated with using a steep loading ramp?

The ramp's hoisting wires can be damaged

The ends of ro-ro units can be damaged

It will not be possible to drive vehicles off the ramp

The ramp may slide off the pier

Why do we have longtitudal bulkhead in a prismatic cargo tank

To reduce the free surface ”sloshing” on the cargo

To control the list of the ship

To load two grades of cargo in one tank

To increase the transverse strength of the cargo tank

What must be completed before the commencement of any transfer operation on an oil tanker?

The record of running hours of each cargo pump.

The log book entries for Immigration and Customs Clearance.

The Cargo Surveyor's time sheet.

The Safety Checklist or Declaration of Inspection.

From where on board can you find out the different types of protection equipment regarding where placed, how much, how many etc.?

In cargo control room.

The ship’s safety plan

Stated in your cabin.

In the deck log book

After completion of a cleaning job on some machinery components at sea, the engine watch rating is instructed to dispose of a small amount of dirty diesel oil which is left in a bucket. How should the dirty oil be disposed of.

Put it straight into the dirty oil tank for incineration at the next opportunity.

Take it on deck and throw it overboard.

Pour it into the diesel oil storage tank through the sounding pipe.

Pour it into the engine room bilge so that it can be pumped through the oily water separator.

How do we recognize a leaking fuel injection valve during testing?

Fuel oil leaks out of the joint between the nozzle and the injector body.

The injector does not open at the normal opening set pressure.

The pressure falls off on the pressure gauge when trying to hold the pressure in the injector below normal opening set pressure.

The injector opens before normal opening set pressure.

During the normal operating cycle of a diesel engine there are side thrusts generated by the piston as it moves up and down the cylinder due to the changing angle of the connecting rod. How are these side thrusts accommodated in a trunk piston engine?

The side thrust is transmitted to the cylinder liner and the engine frame by the piston crown.

The side thrust is transmitted to the cylinder liner and the engine frame by the piston rings.

The side thrust is transmitted to the engine frame by the crosshead bearing.

The side thrust is transmitted to the cylinder liner and the engine frame by the piston skirt in way of the gudgeon pin.

What is the optimum cargo lashing angle against sliding?

Around 20?

Around 25?

Around 30?

Around 35?

What is the disadvantage of using High Tensile Steel (HTS) in the construction of bulk carriers?

HTS is prone to fatigue cracking

When compared with mild steel HTS increases the lightship displacement

HTS does not form a proper bond with paint coatings

HTS is prone to pitting

Why is it preferable to use white spirit rather than paraffin to remove traces of grease during cleaning of refrigerated cargo spaces?

White spirit is more effective at removing grease than paraffin.

White spirit does not leave an oily residue or odour.

White spirit is cheaper than paraffin.

White spirit is usually more readily available.

What would be the correct form of response to the question: What is the visibility in your position?

The correct form of response would be: Visibility is poor

The correct form of response would be: Visibility is okay

The correct form of response would be: Visibility in my position is two hundred meters

The correct form of response would be: Visibility is medium

The internal e.m.f. generated in the phase windings of a lightly loaded a.c. generator is controlled by:

The prime mover speed and excitation current.

The internal volt drop and the load current.

The internal volt drop and the residual magnetism.

The prime mover and load current.

What is the disadvantage of using High Tensile Steel (HTS) in ship construction?

Failure without warning

Enhanced vibration in HTS areas

Low elasticity

Diminished cargo carrying capacity

When the cable length from the temperature sensor to the place where we want to read the temperature exceeds approx. 10 meters we normally have to, in case of a Pt 100, in some way compensate for the cable resistance. Do we also have to do this if we choose to use a T802 temperature sensor?

Yes

Not applicable

Depends on temperature to be measured.

Liquefied gas is, by IMO, divided in to different groups. What is the criterion for this division?

The hydrate formation.

The boiling point, chemical bindings, toxicity and flammability.

The nitrogen and other hydrocarbon containment.

The gas pressure.

What name is given to the fine layer of peel on citrus fruits, often scraped off and added to other dishes to add flavour?

Cest.

Xest.

Zest.

Sest.

Vibration analysis is often used as a conditioning monitoring tool onboard ship as part of the approved planned maintenance system. Many vibration measuring instruments are fitted with a harmonic filter/analyser. How would these filters normally be used during vibration measurement on a centrifugal pump?

To block out any noise or vibration from the surrounding engine room.

To isolate a single frequency of vibration associated with one of the pumps components.

To sum up all the harmonics of a base frequency to give total vibration for all of the pump's components simultaneously.

To generate an audible sound signal at the same frequency and amplitude as the vibration.

What is the definition of sludge control?

The cargo tanks are to be washed that often so recidues do not accumulate in large quantities.

The sludge is controlled by use of special instruments.

This is done in port by a special sludge control squad.

Visual control of the sludge.

What are the immediate duties of the bridge Officer of the Watch when the ship suddenly runs into a fog bank?

Commence sounding the fog signal and reduce speed to Slow Ahead

Commence sounding the fog signal and call the Master and wait for him to arrive before taking any further actions

Commence sounding the fog signal and if the radar indicates no echoes in the vicinity, proceed at the normal speed until ships are detected on the radar or until the fog lifts

Commence sounding the fog signal, engines on standby, call the Master and lookout, if not already on duty

What do you understand by the term Maximum Continuous Rating, MCR, of a diesel engine?

The maximum load that the engine can operate at continuosly.

The maximum cylinder pressure that the engine can operate at continuously.

The maximum charge air pressure that the engine can operate at continuously.

The maximum speed that the engine can operate at continuously.

Low voltage ships tend to have insulated neutral systems. What is the reason for this?

If the neutral is not insulated then it may short to other conductors.

It is easier to detect faults

In the event of an earth fault vital equipment will not trip

It is more effective than insulating the live conductor

Why should engine and boiler rooms be kept clean and any oil spillage cleaned up immediately?

To avoid being fined by the port state control.

To reduce the premium to be paid to the insurance company.

To reduce risk of fire and the risk of slipping.

To prevent oil spillage from damaging deck paint coatings.

"Noxious Liquid Substances which, if discharged into the sea from tank cleaning or deballasting operations , are deemed to present a hazard to either marine resources or human health or cause harm to amenities or other legitimate uses of the sea and therefore justify a limitation on the quality and quantity of the discharge into the marine environment". What is this a definition of?

A liquid cargo that is prohibited for carriage in vessels other than type 1 chemical tanker, as defined in the INC Code.

A category "Y" substance as identified in the revised MARPOL Annex II.

A category "X" substance as identified in the revised MARPOL Annex II.

An NLS as defined in ISGOTT revision V.

Which of these statements about profiling is correct?

Check the ID of all visitors and some crew prior to boarding.

Pay less attention to body language and behaviour and more attention to answers to questions.

Use only open-ended questions.

Verify that answers to questions match up with what’s already known about the person being questioned.

Most medium and high speed diesel engines operate with mean piston speeds greater than those for larger slow speed engines. What is the main design feature of these engines which allows the higher mean piston speeds to be achieved without causing unwanted failures?

Using composite pistons featuring steel crowns and alloy skirts

Fitting bronze rubbing bands to the piston skirts.

Using directly cooled piston crowns with long piston skirts.

Using cast iron single piece piston crowns with a short piston skirt.

What will you do if you are helmsman and the OOW (officer on watch) gives you the order: “Port 20” and after a while the order: "Ease to 10"?

Turn the wheel until the rate of swing of the ship is 20 degrees per minute and then after the second order, reduce the wheel to make it swing at only 10 degrees per minute

Change the compass course to a new heading which is 20 degrees to port of original heading and then after the second command reduce it to only 10 degrees to port of original heading

Apply the wheel to alter the course 20 degrees to port and then after the second command change the heading a further 10 degrees

Apply 20 degrees of rudder towards port and then after the second command reduce the wheel to 10 degrees.

What should you observe when patrolling public areas on board?

Drunk people

If all the fire extinguishers are in place and that fire doors are open

Stowaways

All abnormalities that may affect the safety/ security of passengers, crew and the ship

Passenger ships shall either carry automatically self-righting liferafts or canopied reversible liferafts. What does it mean that a liferaft is automatically self-righting?

The liferaft will automatically turn back into an upright position when it is fully loaded with people

One person can manage to turn the liferaft back into an upright position

It means the same as self-righting lifeboats

The liferaft will automatically turn back into an upright position when it is empty of people

Which organs absorb oxygen and part with carbon dioxide?

The urine organs.

The digestive organs.

The skin.

The respiratory organs.

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