Головна Онлайн-тести CES Gas tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Gas tanker vessel

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What types of gases are not allowed as fire-extinguishing medium for fixed gas fire-extinguishing system aboard ships? (SOLAS II-2/5.1.1)

Fuel combustion gases

Halogenated hydrocarbon gases

Toxic gases

Carbondioxide gases

*According to the SOLAS definition, what is an incombustible material?

A material that neither burns nor gives out flames when it is exposed to the standard fire test for 30 minutes

A material that neither burns nor emits flammable fumes in such a quantity as to experience ignition, when the temperature rises to 750 ?C

A material that is made out of steel or equivalent material

A material that neither burns nor gives out flames when it is exposed to the standard fire test for 1 hour

Fuel oil from a leaking fuel pipe has been collected in a drip tray under the boiler furnace.The oil is suddenly ignited by a backflash from the boiler burner.The boiler room is manned and the person present has the choice of various extinguishers. The fire is purely a surface fire. What would be the preferable extinguisher?

Powder

CO2

Water

Any of the mentioned alternatives

The temperature control system of the crankshaft bearings of the main engine indicates high temperature. What would be the correct action to be taken with regard to opening and checking of the crankcase?

Stop the engine immediately and keep the luboil pump running for at least 20 minutes before opening the crankcase?

Stop the engine and open crankcase down immediately for inspection.

Stop the engine immediately, stop the luboil pump, and inspect the crankcase after 5 minutes.

Reduce the RPM to a minimum and open the crankcase doors carefully.

You are carrying out a search in a smoke filled room, wearing a breathing apparatus. How would you conduct this search?

Proceed straight ahead to the far bulkhead and then carry out a left or right hand search as appropriate

As soon as you enter carry out a right or left hand search by placing the appropriate hand onto the bulkhead and then follow the bulkhead round as quickly as possible.

Proceed to the approximate centre of the room and then carry out the search on a circular pattern.

Carry out a right or left hand search and proceed carefully, feeling the area in front with the foot and using the back of the free hand to check the area around.

What is SELFEC:

a telex ARQ-transmission

Don't know

a one-sided transmission

a NAVTEX-transmission

For a “distress alert” via the DSC, the MF-band is used in the frequencies:

TX: 2177.0 kHzRX: 2177.0 kHz

TX: 2187.5 kHzRX: 2187.5 kHz

TX: 2189.5 kHzRX: 2189.5 kHz

Don't know

The “squelch” adjustment on the front panel of a mariphone serves to:

adjust the transmitting power of the mariphone

Don't know

adjust the noise threshold of the mariphone receiver

limit the noise of the mariphone transmitter

Automatic amplifier regulation is used for the following reasons:

with strong incoming signals distortion is reduced

Don't know

with weak incoming signals distortion is reduced

with absence of incoming signals noise is reduced

The aerial of an Inmarsat-A installation is gyro-stabilised to:

Don't know

determine the right hand angle (RHA)

determine the azimuth and elevation

compensate the movements of the vessel

Which class of emission is used for FEC NBDP transmissions ?

G3E

J2B

F1B

J3E

The SART-transmitted signal will be most conspicuious on the radar-screen when the receiver:

is fine-tuned

is equipped with an SART device

is not fine-tuned

Don't know

A distress-call received via RCC should:

only be given receipt when the ship is actually able to give assistance

always be given receipt

in areas in which one or more coast-stations are active……receipt, so that the coast-stations can first give receipt

Don't know

Why are you only allowed to load maximum 98% of the tank capacity?

It is company policy.

Danger to vessel stability and strength.

Due to temperature expansion.

Danger of overloading.

Which of the following is NOT required to be in the oil transfer procedures?

Any special procedures for topping off tanks

A line diagram of the vessel's oil transfer piping

The location and capacity of all fuel and cargo tanks on the vessel

The number of persons on duty during oil transfer operations

Give the meaning of the following symbol

Fire station

Flame detector

Smoke detector

Fire pump

A vessel is towing with a total length of 1350 meters and expects strong wind from starboard side. The towing wire is connected 20 meters from the towing vessels stern rail. What is to be done?

Reduce the towing speed only

Stop the towing

No need to do anything

Secure the wire all way aft, to prevent wire moving out of center

When synthetic ropetails are used at the ends of wire ropes, due expected faster deterioration of the synthetic ropetails, it is recommended that when ordering ropetails, their initial breaking strength specified should be:

15 % more than the wire's.

65 % more than the wire's.

25 % more than the wire's.

Which type of vessel suffers from the greatest squat effects?

Vessel with a large length to beam ratio

Vessel with a high Block Coefficient

Vessel with a low Block Coefficient

Vessel with a small length to beam ratio.

An area A2 is:

an area excluding sea area A1 within the radiotelephone coverage of at least one MF coast station in which continuous watch on 2182 kHz is available

an area excluding sea area A1 which extend to 100 nautical miles from the coast stations

an area within the radar coverage of at least one MRCC in which a continuous DSC alerting is available

an area excluding sea area A1 within the radiotelephone coverage of at least one MF coast station in which continuous DSC alerting is available

" On area A1 the function "" Transmission and reception of signals for locating "" is mainly based on:"

the use of SARSAT COSPAS Epirbs

the use of SART transponders

the use of VHF DSC

the use of INMARSAT Epirbs

Messages which aren’t intended for own ship farther:

Don't know

must not be received

must not be passed on

must be noted in the radio journal

What is understood by assigned frequncy?

Don't know

the upper side band (USB)

frequency of the carrier wave

the frequency actually used by transmitter and receiver

1MHz is equivalent to :

10 000 000 Hz

100 000 Hz

1000 000 Hz

10 000 Hz

The thermal insulation provided to the wearer of an immersion suit made of material with inherent insulation is sufficient to ensure that the wearer's body core temperature does not fall more than:

6°C after a period of 2 h immersion in calm water at a temperature of between 0°C and 2°C

2°C after a period of 6 h immersion in calm water at a temperature of between 0°C and 2°C

1°C after a period of 6 h immersion in calm water at a temperature of between 0°C and 2°C

1°C after a period of 1 h immersion in calm water at a temperature of between 0°C and 2°C

*The container for an inflatable liferafts shall be made:

watertight, as far as possible,except for drain holes in the container bottom

non-watertight

Completely watertight

non-watertight if fitted with drain holes in the container bottom

What is the meaning of this symbol ?

Release falls

Start air supply

Fasten seat belts

Secure hatches

An abandon ship drill must take place 24 hours after the ship leaving a port with new crew members

if they are more than 10% of the total crew

if the total crew has been replaced

if they are more than 50% of the total crew

if they are more than 25% of the total crew

What is minimum equipment needed for entering a tank or void space that is not gas free or does not contain sufficient oxygen?

Good quality face mask and a safety line.

Coverall and safety shoes.

Self contained breathing apparatus in addition to normal safety equipment.

Spark proof torch.

When there is doubt about the freshness of the atmosphere in enclosed or confined spaces, what action should be taken?

Ro-ro decks are always ventilated in advance of an operation

Open both bow- and stern doors

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 ro-ro deck

Why do blunt knives cause accidents?

Because they will need to be held at a more shallow angle when cutting.

Because the blunt edge will contain grease particles.

Because they require more pressure to be used and are more likely to slip.

Because the handles are more likely to be loose.

What is the main advantage of having a central cooling system fitted on board ship?

It should require less maintenance than a conventional system using only sea water.

It does not require any seawater.

It is a simple system with minimum control requirements.

Only one heat exchanger is needed for all cooling duties.

What standing orders must be issued to engineers with regard to fuel oil tanks located below vehicle decks?

Never to heat fuel oil to more than 50?C

Never to heat fuel oil to more than 45?C

Never to heat fuel oil to more than 55?C

Never to heat fuel oil to more than what is specified for the vessel

A bulk cargo is loaded and the cargo stow has been left with an excessive peak height; what could be the result of this situation?

Excessive stresses on transverse bulkheads

Excessive stresses on tank top

Excessive cargo sweat

Damage to hatch covers

Ordinary thyristors (SCR) must often be protected against reverse overvoltage transients because even over-voltages of extremely short duration can destroy them. These circuits have been given such over-voltage protection, but only one of them is correct. Which?

Figure 2

Figure 3

Figure 1

Figure 4

What must be observed when checking cargo lashing belts on a General Cargo Vessel?

The strength of lashing belts securing a particular item of cargo

The belt manufacturer's instructions

The number of lashing belts used to lash a particular item of cargo

That they are not torn

Before starting a transfer of oil, the person in charge on the vessel and the person in charge on the facility must hold a pre transfer conference. Who must decide to start the transfer?

Both persons in charge

The person in charge on the facility

The person in charge who is handling the pumping

The person in charge on the vessel

Modern conventional reefer vessels tend to be designed with large, unobstructed areas on the main deck. Select, from the options given, the main reason for this feature of the vessels' design.

To leave the maximum space for lifting on and off of palletised cargo when using a shore crane.

To leave space for the carriage of deck cargo.

To leave the maximum space available for the carriage of containers on deck.

To make the vessels easier to build..

For transporting a casualty with a fracture; If a Neil-Robertson stretcher is not available:

Wait for the Neil-Robertson strecher to arrive

A wide wooden board may be used

One person should lift the casualty using Fire-mans lift

Two persons should lift the casualty with great care

Why do rolled joints of meat carry a higher risk of bacterial infection?

Because rolled joints are normally purchased already prepared and the quality control of a shore supplier can not be guaranteed.

Because meat of a poorer quality is generally used in rolled joints.

Because any bacteria that were present on the outside surface of the meat will be transferred to the inside when the joint is rolled.

Because the temperature necessary to kill bacteria can never be reached in the middle of a rolled joint.

What is the typical composition of liquified natural gas, LNG?

Mainly Butane, but with small percentages of heavier hydrocarbons such as ethane, propane, methane and pentane.

Mainly Pentane, but with small percentages of heavier hydrocarbons such as ethane, propane, butane and methane.

Mainly Methane, but with small percentages of heavier hydrocarbons such as ethane, propane, butane and pentane.

Mainly Ethane, but with small percentages of heavier hydrocarbons such as methane, propane, butane and pentane.

What is the correct location or working station for the deck watchman during cargo operations on an oil tanker?

In the cargo control room.

Available somewhere on the weather deck only.

Standing by in the crew mess.

On the cargo tank deck at all times.

Why should only dry powder known to be “foam compatible” be used in conjunction with foam to extinguish gas fires?

Because certain types of dry powder has a negligible cooling effect

Because certain types of dry powder can cause breakdown of a foam blanket

Because certain types of dry powder is a flame inhibitor

Because certain types of dry powder not give protection against re-ignition

On the figure 4 possible definitions of the term "ASTERN" are shown. Which one is the correct one?

Astern is defined as C on the figure

Astern is defined as D on the figure

Astern is defined as A on the figure

Astern is defined as B on the figure

What is the endless piece of rope used extensively for the slinging of cases or bales, called?

Bale sling strop

Rope snotter

Endless sling

Cargo net

During loading operations on conventional reefer vessels steel sheets are sometimes placed in the hatch square to avoid damage to the gratings in the square. Select, from the options given, the likely consequence of leaving the steel plates in the hatch square.

Steel has a different heat capacity to the cargo and may cause unexpected results from cooling the cargo during passage.

The stevedores will claim against the vessel for removing the steel plates.

The steel plates may overload the gratings if they are left in place with cargo on top.

The steel plates may block the flow of refrigerated air through the cargo.

Which of the following hazard risks generally apply to the carriage and handling of LNG and its vapours?

Flammable, Toxic and Frostbite

Flammable, Toxic and Corrosive.

Flammable, Corrosive and Frostbite.

Flammable, Asphyxia and Frostbite

On a Container vessel, when will a hatch pontoon's quick-acting cleat need replacement?

When the rubber washer is compressed and hardened

When the cleat has sprung open at sea

When the cleat retainer is rusty

When the cleat retainer is distorted

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.

What is the traditional seaman's saying that suggests the procedure to follow when carrying provisions around the galley and storerooms and up and down stairways?

"One hand for the ship and one for yourself".

"One hand for the Captain and one for the Cook".

"One hand for the ship and one for the stores".

"Keep your hands to yourself".

There are certain cargoes which are extremely sensitive to moisture in the atmosphere. How are they commonly protected when shipped on chemical tankers?

By heating the cargo above the temperature of the outside air.

By filling the tank with inert gas before loading.

By continuously ventilating the ullage space above the cargo in the tank.

By the application of a nitrogen blanket (pad) above the cargo in the tank.

What is the correct understanding of the term "boat drill"?

The opportunity for all on board to launch the boats and abandon ship.

A demonstration for the people on board to understand how a lifeboat can be used to abandon ship

Practical exercise for the people on board to practice their duties and be prepared in the case of an emergency abandon ship.

A presentation by the Master on what he would expect from all on board in the case of an emergency.

" On area A1 the function "" Transmission and reception of signals for locating "" is mainly based on:"

the use of SART transponders

the use of INMARSAT Epirbs

the use of SARSAT COSPAS Epirbs

the use of VHF DSC

On a container vessel, a number of twistlocks have been identified as suffering wear down. Choose the most appropriate way of dealing with these twistlocks.

Spare parts should be ordered and used to replace the worn down parts of the twistlocks.

The twistlocks should be isolated from use and disposed of appropriately.

The twistlocks should be removed to the ships workshop where the wear down can be built up with weld material.

The twistlocks should be landed ashore for repair at an approved workshop.

What is the minimum value of the GM under the international Load Line Rules?

0,25 m.

2,0 m.

1,5 m.

0,15 m.

Why is the inlet to the slop tank often directed towards the bulkhead (see the illustration) ?

None of the mentioned

To reduce the settling time

To avoid build-up of static electricity, which may cause explosion

To avoid too much agitation of the oily water in the tank

What is of utmost concern when steel cargoes are carried in a bulk carrier?

Bending moments being greatly exceeded in the seagoing condition

A relatively small range of stability as compared to carrying grain

The springing of hatch cleats as the vessel flexes due to torsional stresses

Deformation due to torsional stresses

Which information should be included in your search plan?

Personnel to be involved in the search.

Areas to the searched and personnel to be involved in the search.

Areas to be searched.

Known hiding spots to be searched.

On a General Cargo Vessel cargo is be secured using turnbuckles (bottlescrews) and wires; what is the minimum number of bulldog grips that should be used to attach wires to turnbuckles ?

A minimum of three

A minimum of four

A minimum of two

One only is required

This vessel is encountered at the mouth of a river which leads to your discharge port. What do the various shapes tell you?

This is a vessel engaged in mine-clearance opetrations. The two balls in a vertical line indicate that it has a sweep mechanism deployed; the two diamonds in a vertical line indicate that the vessel should be given a clearance of at least 1000 metres; the ball / diamond / ball indicate that the vessel is restricted in her ability to manoeuvre.

This is a vessel engaged in dredging or underwater operations. The two balls in a vertical line indicate the side on which an obstruction exists; the two diamonds in a vertical line indicate the side on which it is safe to pass; the ball / diamond / /ball in a vertical line indiacte that the vessel is restricted in her ability to manoeuvre.

This is a vessel engaged on port security duties. The two balls in a vertical line indicate that the port is closed; the two diamonds in a vertical line indicate that the port is engaged in mine-clearance operations; the ball / diamond / ball in a vertical line indicate that the vessel is restricted in her ability to manoeuvre.

This is a vessel engaged in dredging or underwater operations. The two balls in a vertical line indicate the side on which it is safe to pass; the two diamonds in a vertical line indicate the side on which an obstruction exists; the ball / diamond / ball indicate that the vessel is restricted in her ability to manoeuvre.

The temperature of chilled air is monitored after it has passed through a refrigerated cargo and the temperature noted. This temperature is often referred to as the RAT. Which of the given options does RAT stand for in relation to refrigeration of a cargo?

Return Air Temperature.

Respirated Air Temperature.

Relative Air Temperature.

Reduced Air Temperature.

Under which MARPOL category are vegetable oils classified?

Category "Z".

Category "Y".

Vegetable oils are not classified under the MARPOL categories.

Category "OS" (other substances).

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.?

Locate them in large cabins to ease their stay.

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.

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

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

The diagram shows the lead of a rope during mooring operations and the possible point where it may break. Where would be considered the safest place to be standing?

Outside the coloured zone.

Between the "point of break" and the "point of restraint".

It is impossible to stand clear of any possible danger areas surrounding wires or ropes and therefore there are not any safe areas.

Inside the coloured zone and behind the "point of restraint".

When filling departure ballast on a clean ballast tanker, which valve is the last to be opened after the pump has started (M/T «Seagull» is equipped with steam driven centrifugal pumps).

The tank’s suction valve.

The sea chest valve.

The pump’s delivery valve.

The bulkhead valve.

Where would you look to find details of the crude oil washing system, its equipment and operating procedures? ,

The Operations and Equipment Manual (COW Manual).

MARPOL 73/78.

The Oil Record Book.

The ODME Manual.

This graphical symbol is a logic gate with truth table. Which gate?

NOR

AND

NAND

What would the Chief Officer require prior to the vessel's departure from the berth?

Prior to the vessel's departure from the berth, the Chief Officer would require the anchor to be thoroughly secured

Prior to the vessel's departure from the berth, the Chief Officer would require the crew to prepare for the voyage

Prior to the vessel's departure from the berth, the Chief Officer would require the Bo's'un to oil the moving parts of the windlass

Prior to the vessel's departure from the berth, the Chief Officer would require the windlass to be covered

What name is given to the process on an oil tanker, when inert gas is being blown into a cargo tank, to reduce the level of oxygen it contains?

Blowing.

Purging.

Venting.

Gas-freeing.

In accordance with SOLAS and other international regulations, certain important machinery functions, such as operation and control of the steering gear and propulsion machinery, must be tested at specified times. When should these tests be carried out?

Only following maintenance.

Only at stand by engines.

Prior to arrival and departure from port and following maintenance.

Only following drydock.

How should structural steel products be supported in a cargo hold?

Fore and aft dunnage spaced 3m apart provided in a vertically straight line at every tier

Athwartships dunnage spaced 1.5m apart provided in a vertically straight line at every tier

Athwartships dunnage spaced 3m apart provided in a vertically straight line at every tier

Fore and aft dunnage spaced 1.5m apart provided in a vertically straight line at every tier

When preparing cargo cranes for operation on a General Cargo ship using shore personnel, what are three of the most important checks to be made?

Crane wire is greased, windows clean and cab heater on

Check that cab is clean, air conditioning is on and windows clean

Limit switches are not in use, wires are clean and emergency stop is isolated

Check that winches, brakes and emergency stops are working correctly

The buoyancy forces upwards act at what part of the hull?

All over the underwater volume.

Along the keel.

At the centre of gravity (G)

At the centre of buoyancy (B)

We have a problem with surging in the turbocharger. Which of the following could be the cause?

The lubrication oil pump is malfunctioning

Dirty scavenging air cooler on the air side

Dirty rotor blades and nozzle ring.

Worn out bearings on the turbocharger

Which of these is not a Cargo Transport Unit under the IMDG Code?

Road tank vehicle

Pallet

Portable tank

Freight container

What is the correct understanding of the term "Lapse Rate" when used in Meteorology?

The rate of increase of the wind associated with a Tropical Revolving Storm.

The change of the temperature in the atmosphere with height above sea level.

The change in the temperature associated with the passing of the warm front of a frontal depression.

The delay in temperature reduction associated with the wet bulb thermometer of a hygrometer

Which inert gas systems use only gases from the ship's main or auxiliary boilers?

The inert gas generator

Nitrogen generator

Combination - inert systems

The flue gas plant

A water heating system with automatic temperature control uses steam as the heating medium and the temperature is controlled by a pneumatically operated valve? What would be an acceptable start up procedure of the system from cold state?

Start with the control valve in manual and use the hand jack to gradually increase the temperature by throttling the steam flow before changing to pneumatic control.

Start the system up in manual mode and gradually increase the controller output signal until the temperature reaches the required value before changing over to automatic control.

Start the system up in automatic mode with normal set point but with the steam supply to the control valve manually throttled in.

Start the system up in automatic mode with normal set point so that the required temperature is achieved as quickly as possible.

LNG carriers are usually designated as Type 2G vessels according to the IMO IGC code. In relation to the 'Ship's Survival Capability' what is the level of preventative measure for cargo escape required for this type of vessel according to the Code?

Maximum preventative measures.

Minimum preventative measures

Moderate preventative measures.

Significant preventative measures

When considering instrumentation systems, what is a typical symptom of a fault with the span of an instrument?

100% output is accurate, but Zero-point is wrong

Zero-point is accurate, but 100% input is not giving 100% output

Zero-point and 100% are correct, but not at mid - range

Linearity problems

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

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

Work permit

Hot work permit

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

Hydrocarbons belongs to a chemical group named:?

Alkanes

Organic substances.

Carbohydrates.

Alkenes

On the air compressor's crankcase there is a small valve that lets off overpressure. What do we have to do if this valve is letting off pressure and oil moisture ?

Check the clearance in the bearings.

Increase the flow of cooling water.

Overhaul the compressor unit.

Block the valve because it pollutes the engine room (block off the valve).

Which of the answers best summarises the information which should be provided for the bridge Officers of the Watch within an effective Voyage plan.

All of the suggested answers

Expected prevailing wind and weather

Contingency arrangements in case of problems

Courses to steer; distance off dangers; parallel index lines; expected currents; prevailing winds; distance between alteration points.

What are the duties of the "Standby Watch keeper" when he is not on the bridge?

Remain in the expected location, available for immediate call from the bridge

Tidy up the accommodation and clear the mess rooms

Return to his cabin and catch up with some sleep

Patrol the ship and report anything unusual to the bridge

In what circumstances can a ships loading computer be used with confidence on a container vessel.

When the computer has been manufactured by a reputable supplier.

When a new computer with a large RAM has been received.

When the loading computer has been approved by Class.

When the computer has been supplied by the company IT department.

Whenever there is a major bleeding, the first priority should be to:

Stop the bleeding

Raise an alarm

Call the doctor

Take the pulse of the patient

On the figure 4 possible definitions of the term "BRIDGE" are given. Which one is the correct one?

Bridge is given by B on the figure

Bridge is given by C on the figure

Bridge is given by D on the figure

Bridge is given by A on the figure

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

Remote control of fire doors and reactivation of ventilation

Same requirements for Fire alarm systems applies to all ships

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

What is the estimated average daily calorie intake required by an active adult male?

650

4400

2900

7500

Даний онлайн-тест складається з 90 випадкових питань із тестів CES 5.1 з обраної вами тематики.