家在线测试 CES Oil tanker 2nd-Off / 3rd-Off Test online CES 5.1 for 2nd-Off / 3rd-Off, Oil tanker vessel

在线测试： Test online CES 5.1 for 2nd-Off / 3rd-Off, Oil tanker vessel

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该测试由有关选定主题的随机问题组成。

问题 1 从 90

A fire bulkhead of the "C" class must be constructed of:

Non-combustible material

Steel or equivalent material

Low flame spread material

Ignition resistant material

*Which of the following requirements applies to the inert gas system of a tanker?

Inert gas must be delivered at a rate of at least 125% of the maximum rate of discharge capacity of the ship expressed as a volume

All these requirements apply

The oxygen content of the inert gas must not exceed 5%

The oxygen content of the atmosphere of any part of any cargo tank must not exceed 8%

*Which of the following requirements applies to a "C class" bulkhead?

It must be constructed of approved non-combustible materials

A specimen of that bulkhead must have been submitted to a standard fire test

It must be capable of preventing the passage of flame till the end of the first half hour of the standard fire test

All the answers are good

*Class "C" bulkheads are bulkheads constructed of approved non-combustible materials:

that can withstand the standard fire test for 45 minutes

that can withstand the standard fire test for 30 minutes

that need not meet any of the requirements relative to smoke and flame nor limitations relative to temperature rise

that can withstand the standard fire test for 15 minutes

What type of nozzles for fire hoses shall be used aboard ships? (SOLAS II-2/4.8.4)

Jet type

Spray type

Dual purpose (jet/spray) type incorporating shutoff

Dual purpose (jet/spray) type

What will be the minimum volume of halon to extinguish a fire in an enclosed room?

10% of the volume of the room

15% of the volume of the room

4.25% of the volume of the room

20% of the volume of the room

What is the main criterion generally taken into account to classify portable extinguishers:

The extinguishing agent

Their pressurisation system

The way they can be moved

Their capacity of charge

As a fire fighter, what should you always consider when fighting a fire in a confined space?

The confined space can be considered to have one side only as heat always rises

The confined space has only five sides

The confined space always has six sides

The confined space has only four sides

Which of the following items shall be included in each fire drill?

Checking the operation of watertight doors, fire doors, fire dampers and relevant communication equipment

Checking closure mechanism for all air ventilators and other openings to accommodation, engine rooms and cargo spaces

Checking the fire wires

Checking the operation of fire doors

On board they want to establish telex-communication via the Inmarsat-set with the ship Appologracht. In the guides the following ID’s are found for the Appologracht: 244320000, 424432010, 424432020, 1300210, 36715. What ID should chosen:

244320000

1300210

Don't know

36715

In addition to personal equipment a fireman's outfit also comprise breathing apparatus and a fireproof lifeline. How many complete sets of fireman's outfit is to be carried by all ships? (SOLAS II-2/17.3)

At least four sets

At least three sets

At least one set

At least two sets

When a vessel violates the oil pollution laws, who may be held responsible?

Captain only

Officers only

Shipowners only

Any one involved in the operation

COTP can request (OPA-90)

Maximum one drill a year

Maximum two drills a year

Unannounced drills at any time

Participation in all announced drills

What is the possible position of a ship in distress called?

D-Point

Zero-Point

S-Point

R-Point

You are Sen.Off.Deck onboard a merchant vessel. During the night you have been in collision with a sail boat. There is no sign of life in the water. What will you do?

Call the company, explain the situation and ask for orders.

Leave the position as fast as possible.

Just do nothing on your own; wait for assistance.

Alarm the rescue centre and commence seaching for any survivals.

Your ship is operating with a right handed propeller. Before coming astern, how should you apply the rudder?

As with no. 3

I think the speed is too slow

As with no. 1

As with no. 2

*How much lifeboat capacity should be provided on a conventional cargo ship of more than 85 meters in length ?

125% of the ship-s complement on each side

150% of the ship-s complement on each side

100% of the ship-s complement on each side

50% of the ship-s complement on each side

If a distress signal is received, what would you do?

Post extra look-out.

Contact SAR Authorities via nearest coastal Radio station.

All of the alternatives together.

Try to make contact with the vessel in distress.

What is the minimum number of immersion suits that are required to be provided for each open lifeboat under SOLAS rules?

Nil

One per person

Which of the following fittings shall be provided to all lifeboats:

permanent boarding arrangements on both sides to enable persons in the water to board the lifeboat

a manually controlled lamp fitted on the outside

a remotely operated steering arrangement

an electric power starting system for the propulsion engine with one rechargeable energy source

Which item among those below is included in the normal equipment of every lifeboat ?

a first-aid outfit in a waterproof case

one immersion suit for each person

sea-charts and navigating equipment

a VHF transceiver

What is the meaning of this symbol ?

Lower rescue boat to water

Lower liferaft to water

Lower lifeboat to water

Release gripes

What is the minimum number of immersion suits that are required to be provided for each open lifeboat under SOLAS rules?

One per person

Nil

What is the meaning of this symbol ?

Immersion suit

Direction indicator

Embarkation station

Muster station

What is the meaning of this symbol ?

Line-throwing appliance

Survival craft pyrotechnic distress signals

Rocket parachute flares

Radar transponder

The Training Manual shall contain instructions and information on the life-saving appliances and the best method of survival. Which of following detailed explanations of crew duties in relation to emergency situations shall be contained therein?

Correct donning of fire protective clothing

The use of oars and sails for survival crafts

The method of release from launching appliances

The use of navigational equipment for survival crafts

On some trades fruit cargoes may be subjected to 'in-transit 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.

What should be observed concerning a ship's watertight integrity?

That all emergency exits on ro-ro deck are locked and secured

That the ramp is stowed position

That all water tight ramps and doors are locked and secured at sea

That the bow- and stern door are closed

What is the approximately boiling point of LNG at atmospheric pressure?

Approximately -160 C.

Approximately -170 C.

Approximately -140 C.

Approximately -150 C.

You have just completed tank inspection, prior to loading a number of chemical grades. The Duty Officer instructs you to secure the tank lids. (On this vessel, they are circular in design, with four dogs and the lid is raised and lowered on a geared wheel). Which of the following methods will you use to secure the lids?

I will swing the lid over the coaming and postion the dogs, tightening down the two furthest from the geared wheel first, then the two closest to the wheel. I will then take any remaining pressure off the wheel.

I will lower the lid with the geared wheel, ensuring that the coaming rim sits centrally against the packing. I will then position and tighten the dogs, working back and forth so that an even pressure is applied overall.

I will lower the lid with the geared wheel and then work round the dogs in a clockwise direction, tightening each one right down in turn.

I will lower the lid with the geared wheel, screwing it down as tightly as possible, then position the dogs, so that the lid remains centrally positioned while the ship is as sea.

What would indicate that the cargo holds are not properly sealed?

When dew point temperatures inside cargo holds are the same as when the cargoes were loaded

When dew point temperatures inside cargo holds remain the same despite cargo hold ventilation

When dew point temperatures inside and outside the cargo holds are closely matched

When dew point temperatures inside and outside the cargo holds are substantially different

It is important that tools are in good condition when they are being used for maintenance. Incorrectly sharpened tools can be dangerous. Which of the following tools can be safely sharpened using a pedestal grinder?

Steel drill bit.

Brass chisel.

Hacksaw blade.

Wooden wedge.

In a series installation of a purifier and a clarifier, what is the purpose of the clarifier

As a safety net, for improved cleaning of the fuel oil

You will probably have less alarms

In case the gravity disc is too small

To get round the problem of fluctuating temperature

What is the relative liquid density of Methane?

0.427

0.554

0.624

0.583

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

When there is a need to interupt current flow in a high voltage system it may be very difficult to quench the electrical arc which is generated at the circuit breaker contacts. Which of the following arcing media is commonly found in high voltage marine switchgear?

Vacuum

Air

Water

Oil

When should a vessel’s hatch pontoons not be lifted?

When the SWL of the gantry crane is not clearly marked

When the vessel is listed

When lighting conditions are poor

When the pontoons are to be lifted by a floating crane

When measuring the liquid level in the cargo tank of a liquefied gas carrier a number of different corrections may be necessary to get a true reading. Why do readings obtained from a float type ullage tape sometimes require a 'tape correction'?

The vessel may not be on an even keel when the readings are taken.

The length of tape in contact with very cold cargo vapours may contract.

The vessel may have a list when the readings are taken.

The float may become heavier and partly sink due to liquid cargo absorption.

How many Working Environmental committee members should be elected on a ship with a crew of 13 members?

2 members.

0members

1member

5 members.

What is the most common signal level from an I/P converter?

0-10V/3-15 PSI

4-20mA/3-15 PSI

0-1 mA/1-2 BAR

0-20 mA/0-20 PSI

If normal cool down rate has been complied with, what should the temperature at the primary insulation and the secondary barrier be?

-120C and -100C.

-100C and -80C.

-130C and -120C.

-140C and -130C.

What should be the healthy continuity resistance of a 220V, 2.2kW heating element, when checked near to it's rated operating temperature?

0.1 Ohms

220 Ohms

22 Ohms

10 Ohms

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

What will happen with the interface in the bowl, if the flow is too high?

The separation of the oil is bad.

The separation of the oil is good.

Will have no effect on the interface.

Broken water seal.

All liquefied gas carriers, including LNG carriers, must follow the requirements of the IMO IGC code. What are the main areas covered by the IGC code for gas carriers?

Gas carrier navigational and operational procedures.

Gas carrier design and equipment.

Liquefied gas handling principles for ships and terminals.

Gas carrier cargo loading and discharge procedures.

Despite shipping lines having hulls coloured in the company livery colours e.g. black, blue, green, etc. refrigerated containers are now usually painted white. Which of the options given is the main reason for this?

White paint is cheaper than coloured paint.

White painted containers reduce the load on the refrigeration plant.

White coloured containers are more aesthetically pleasing.

White is synonymous with hygiene and cleanliness.

What temperature defines "hot" water in the context of tank washing on a chemical tanker?

A minimum of 10 degrees Celsius above the discharge temperature of the cargo.

At least 40 degrees Celsius.

At least 60 degrees Celsius.

At least 70 degrees Celsius.

What is the main fire fighting medium for tank deck on gas and chemical carriers?

There is not any main medium for tank deck fire fighting on gas and chemical carriers

Foam is the main medium for tank deck fire fighting on gas and chemical carriers

Freshwater is the main medium for tank deck fire fighting on gas and chemical carriers

Chemical powder is the main medium for tank deck fire fighting on gas and chemical carriers

Where is there a likelihood of inadequate initial design on a bulk carrier?

Around the hatch corners

On cross-deck plating

On the sheer strack

On shell plating

What is the correct definition of "lee side"?

Port side.

The side from the wind.

The side against the wind.

Starboard side.

Which statement is correct for a fire door class "A-60"?

Class "A-60" fire doors shall prevent the passage of smoke and flame and the average temperature of the unexposed side shall not rise more than 180 degrees Celsius within 60 minutes

Class "A-60" fire doors shall be capable of preventing the passage of flame for minimum 60 minutes

Class "A-60" fire doors must be closed within 60 seconds

It is a requirement to keep class "A-60" fire doors closed for minimum 60 minutes

Which of the following letter combinations represents a flow indicating controller on a process and instrumentation diagram

FIC

LIR

FLO

FIR

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.

The ship's crew are carrying out maintenance on the weather deck hatch lids of a refrigerated cargo space. Which of the parts given in the options will have the greatest influence on maintaining cargo temperature in relation to the hatch lid system?

The condition of the hatch lid wheels.

The condition of the hatch lid seals.

The condition of the hatch lid hinges.

The condition of the hatch lid trackway.

Which of the following cuts of beef is taken from the shoulder?

Rump

Brisket

Chuck

Silverside

What are the limitations of Cargo Securing Manuals?

They are developed whilst ships are still under construction and may therefore be unsuitable under certain operational conditions

They are not always approved by a classification society

Some Cargo Securing Manuals cover a full range of sister ships

Cargo securing arrangements in the manuals may be unsuitable for heavy weather conditions

What is the definition of "pour point"?

The lowest temperature at which petroleum oil will remain fluid.

The unrestricted fall of liquid into a tank.

The time it takes for tank contents to stop moving.

The highest temperature at which a petroleum oil will remain fluid.

What is a "ladle"?

Part of a Steward's uniform.

A big spoon.

A type of bread roll.

A Mediterranean vegetable.

The range of a transducer is 0-200 bar. The standard output signal is 4-20 mA. What is the output signal when the process value is 100 bar.

24 mA

4 mA

10 mA

12 mA

What should the duty crew member do if he observes stevedores smoking in ‘no smoking’ areas?

Immediately inform the stevedore foreman and duty officer

Wait to inform the relieving duty crew member

Inform the chief officer

Tell the stevedore to stop smoking

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 the vector diagram (power traingle) shown represents the reactive load?

Either (X) or (Y)

None of the mentioned alternatives

(X)

(Y)

When cargo has shifted at sea what could help in reducing acceleration forces?

Heading out of the wind

Heaving to

Putting into a port of refuge

A. Operating anti-heeling devices

Passenger ships have a normal requirement of 1 lifejacket per person + 10% for children. In addition to this, how many lifejackets have to be stowed in conspicuous places on deck or at the muster stations?

50% extra

10% extra

25% extra

5% extra

The IMO IGC code details the requirements for cargo piping systems on gas carriers? Which one of the options given is part of these requirements?

Cargo pipelines must resist at least 1.25 times maximum vapour pressure.

Cargo pipelines must resist horizontal displacement from cargo surge pressure.

All cargo pipelines must be made of high tensile steel.

Cargo pipelines are not allowed beneath deck level on gas carriers.

What is the boiling temperature of methane at atmospheric pressure?

-43 C.

-162 C.

-152 C.

-172 C.

You are in charge of discharging and crude oil washing a crude oil carrier.What is the maximum allowed oxygen level in the Inert Gas supply to a tank being crude oil washed (IMO)?

10%

Modern conventional reefer vessels are designed to carry containers on deck which are usually 40 foot units weighing more than 20 tonnes when stuffed (filled with cargo). For a vessel fitted with deck cranes having a SWL of 19 tonnes which of the options given is the most appropriate method of handling such containers?

Temporarily override the crane's cut outs when handling such containers.

Arrange for a floating crane to be alongside when handling the containers.

Arrange for a mobile crane to be available when handling the containers.

Use an equalising beam with two of the ship's cranes operating in tandem.

When will a ‘D’ ring not be an effective lashing point?

When painted

When it is oil-stained

When it is covered in grease

When its retaining collar is torn

By what formula is the displacement calculated? W = Displacement; L = length; B = Breadth; D = depth of vessel; Cb = Block Coefficient; Cw = Coefficient of waterplane; RD = relative density;

W = L x B x d x Cb

W = L x B x d x Cw

W = L x B x d x RD

W = L x B x d x RD / Cb

Which of these will not physically damage a bulk carriers’ plating, frames and brackets?

Hydraulic hammers

Grabs

Bulldozers

Evacuators

What is IMO's requirement to maximum temperature for fully pressurised cargo tanks at ambient temperature?

50 C.

42 C.

40 C.

45 C.

What name is applied to foods that have been prepared according to Jewish law?

Roaster.

Israelish.

Mosher.

Kosher.

A positive displacement type flow meter is defective and cannot be repaired. It is to be replaced with a new instrument which uses a Venturi type sensor. Which of the pneumatic relays given in the options will be required in order for this type of instrument to function correctly?

Multiplier relay.

Summation relay.

Square root extractor relay.

Subtraction relay.

On fully pressurised liquefied gas carriers the cargoes are usually carried at atmospheric temperatures. Is frostbite still a hazard on such vessels if there is leakage from the cargo pipe system?

Yes, but only if cargo vapour contacts the skin.

No frostbite is only a hazard when cargoes are refrigerated.

No, the cargo will vapourise and disperse quickly.

Yes, the liquid will flash off to its' fully refrigerated tempearature.

Data loggers are a vital part of the temperature control and monitoring system on a reefer vessel. In a situation where the data logger fails several days before the end of the voyage it is still necessary to maintain control of and monitor cargo temperatures. How could an accurate, portable thermometer be used to the best effect, to achieve this, in such a situation?

Use the thermometer to maintain the delivery air settings as they were prior to the data logger breaking down.

Use the thermometer to check the pulp temperature by entering the cargo space and placing it in the centre of the stow.

Use the thermometer to check and control the delivery air temperature by inserting it in the delivery air ducting close to the evaporators.

Use the thermometer to check and control the return air temperature by holding it in the return air space on top of the cargo.

What advantages does the radar have over the eye?

Subject to night adaptation

Simplifies the overview

Poor at assessing distance

Degradation through glare

On a Container vessel, where should containers containing infectious substances be stowed?

In a position separated by a complete compartment or hold from living quarters

On deck away from the accommodation

Under deck

On deck abaft the accommodation

If a vessel is fitted with “free flow system”, what does it mean?

That the cargo is free flowing in all tanks at all times.

A vessel without ordinary bottom lines where the cargo flows from tank to tank through bulkhead valves.

The vessel is not equipped with own discharging equipment.

That the vessel is only able to load on gravity.

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.

If a leak starts from a flange joint during cargo discharge, which of the following should you do?

Attempt to tighten the bolts on the flange. If the leak continues, place a container underneath the leak and ensure it is emptied into a slop tank or drum at regular intervals.

Attempt to tighten the bolts on the flange. Report the gasket as defective at the handover of the watch and leave a note in the Cargo Control Room to replace it at the end of discharge.

Report the leak to the Responsible Officer. Depending on the pipeline arrangement, stop the discharge, or isolate the section of pipeline concerned and releive the pressure inside the pipeline. Put on the appropriate personal protective clothing and equipment. Attempt to tighten the bolts on the flange. Resume discharge with caution. If the leak continues, stop the discharge and change the gasket. Clear any cargo spillage according to the applicable recovery procedure.

Attempt to tighten the bolts on the flange. Spread sawdust underneath the leak. Clear contaminated sawdust away at regular intervals and replace with fresh sawdust as necessary.

On a Container vessel, what is the function of a raised deck socket?

To house base twistlocks or stacking cones

To house stacking cones

To secure turnbuckles

To house base twistlocks

Which type temperature sensors are shown on this picture?

Thermistor type PTC

Thermocouple sensors

Resistance sensors

Thermistors type NTC

Why should containers containing scrap metal be stowed under deck or in high on-deck stowage positions?

Because of separation requirements under the IMDG Code

To avoid contact with seawater

Because of shippers’ requirements

Because of segregation requirements under the IMDG Code

Many large slow speed diesel engines operating on heavy fuel oil have a fuel injection system which features Variable Injection Timing. How does this affect engine operation?

VIT allows the ship's engineers to alter the injection timing for each load setting with a simple single adjustment of the fuel rack.

VIT increases engine efficiency by automatically maintaining the maximum cylinder pressure over the entire load range.

VIT increases engine efficiency by automatically maintaining the maximum cylinder pressure over part of the load range.

VIT improves engine operation by automatically controlling the start of fuel injection when it detects a poor quality fuel.

What are the additional duties required by the Officer of the Watch when navigating in fog?

Sound fog signal, plot positions and keep a good lookout

Sound fog signal, effective radar watch reporting ship movements to Master and keep a good lookout for ships and fog signals.

All of the suggested answers

When navigating in fog the Master will take over the watch and the Officer of the Watch should follow all of his instructions.

A cargo of frozen chicken is being presented for loading into a conventional reefer vessel. Which of the options given is the most appropriate packaging method that should be used for such a cargo?

It should be wrapped in plastic and stowed loose.

It should be packed in cardboard cartons.

It should be packed in wooden cases.

It should be packed in plastic sacks.

When must side scuttles in passenger ships where the sills are below the margin line be kept closed and watertight?

When unwatched

Always during night-time

When not necessary to be kept open due to work being carried out aboard

During navigation between ports

What gas checks must be made to the atmosphere in a general cargo ship deep tank prior to cleaning and after discharge of a cargo of vegetable oil?

The atmosphere must be checked for oxygen, methane gas and carbon dioxide

The atmosphere must be checked for oxygen levels, flammable gas and toxic gas