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

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

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问题 1 从 90

In order to achieve a greater effectiveness when using a permanent system of extinction with gases (for example CO2), we must…

Check the valves, seal the area and activate the extinction system

Only activate the alarm, then the extinction system

Activate the alarm, evacuate the area and seal the place, then activate the extinction system

Activate the extinction system before we activate the alarm

What is false regarding the function :” Transmission and reception of on scene communications ”

On area A1 this function is based on the use of VHF R/T

On area A4 this function is based on the use of HF R/T

On area A3 this function is based on the use of VHF or/and MF R/T

On area A2 this function is based on the use of VHF or/and MF R/T

The rudder is hard over, full ahead in deep water. How much lift force remains when the engine is stopped?

About 20 %

About 50 %

About 5 %

About 80 %

Can RNC charts be used for voyage planning?

Only in conjunction with paper charts

Only if approved by the flag state

Yes

When passenger ships are engaged on international voyages (except for short ones) musters of the passengers must be performed within

1week after their embarkation

24h after their embarkation

48h after their embarkation

immediately after their embarkation

Stainless steel tanks are sometimes required to be "passivated" especially after tank surface repairs have been carried out and aggressive cargoes are to be loaded. "Passivation" normally consists of:

Grinding off any corrosion spot with a grinding disc of about "80 grain"?

Spraying concentrated hydrofluoric acids in the tank and then wiping it off?

Applying 12 - 15% nitric acid on tank surfaces, either with a brush or spray; then washing off after 10 - 20 minutes using copious amounts of fresh water?

Cleaning the tank by application of caustic soda on all surfaces, then washing it off?

You are inerting a cargo tank on an oil tanker, prior to gas-freeing for entry. What is the maximum oxygen content permitted in the inert gas main during this operation, as required by SOLAS 1974?

5% by volume.

2% by volume.

8% by volume.

12% by volume.

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 double-hull tankers.

They must now be carried in type 2 tanks.

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 scroll pump.

A centrifugal pump.

A reciprocating pump.

A gear pump.

What are the general cargo stowage requirements for cashew nut shell liquid in drums?

Stow away from foodstuffs

Stow away from paper products

Stow on deck only

Stow away from chemicals

The majority of medium speed main propulsion installations incorporate a reduction gearbox between the engine and the propeller shaft. Why is this arrangement usually required?

So that the engine can be more easily reversed.

So that the engine can be coupled to a controllable pitch propeller.

So that the propeller operates in a relatively efficient speed range.

So that the engine can also drive a shaft alternator.

What is the requirement regarding number of slop tanks on oil tankers of 70,000 tons and above delivered after 31 December 1979?

Shall be provided with at least 2 slop tanks.

Shall be provided with slop tank.

No requirement regarding number of slop tanks.

Shall be provided with sufficient number of slop tanks.

Which of the following are designated as "Special Areas" in respect of the control of the discharge of Noxious Liquid Substances under MARPOL?

The Mediterranean Sea, Baltic Sea, Black Sea, Red Sea, "Gulfs" Area, Gulf of Aden, Oman Area of the Arabian Sea, Southern South African Waters, Antarctic and North-West European Waters.

Only the Antarctic.

The Wider Caribbean Region including the Gulf of Mexico and the Caribbean Sea, Southern South African Waters and North-West European Waters.

The Baltic Sea, the Black Sea and Antarctic.

On a Container vessel, when should a vessel's hatch pontoons not be lifted?

When the heel of the ship is excessive

When lighting conditions are poor

When the SWL of the gantry crane is not clearly marked

Many marine steam boiler designs incorporate external "downcomers". What is the main purpose of these downcomers?

To provide extra support for furnace tubes.

To increase heating surface area.

To ensure adequate circulation in all boiler operating conditions.

To provide a flow path for the steam bubbles.

Which is the lee side of a ship?

The lee side is the side facing the wind

The lee side is abaft the accommodation

The lee side is the side facing away from the wind

The lee side is forward of the accommodation

What do you think would be the most likely cause of too low suction pressure in a freon compressor?

Broken suction valve plate.

Too little gas in the system.

Blocked condenser tubes.

Blocked condenser.

What does the IMSBC Code emphasise with reference to the exposure of personal to the dust created when carrying some bulk cargoes?

The code does not make any reference to this hazard

A high standard of personal hygiene

The responsibility of the Master to ensure that staff are wearing the correct clothing

The restricted loading of certain cargoes which may be excessively dusty

Which type of cargo tanks are almost exclusively applied to LNG ships and are rarely fitted to LPG ships?

Type "B" spherical tanks.

Independent type "A" tanks.

Self-supporting prismatic tanks.

Independent type "C" tanks.

What is the objective of the merchant navy?

To earn money for the shipowner

To provide employment for persons who wish to become seafarers

To safely transport goods by sea

To transport and deliver goods as quickly as possible

An engine room rating notices that the guard on a running pump is hanging loose due to a missing bolt on the support bracket and it is catching the shaft coupling. What is the best action to take as a repair method?

Place a sheet of metal in front of the guard to deflect any parts that may fly off as a temporary repair.

Inform the watchkeeper so that the pump can be stopped and a new bolt can be fitted to permanently fix the guard in place.

Try and fit a new bolt while the pump is running to permanently fix the guard in place.

Fasten the guard back in place with a piece of rope with the pump running as a temporary repair.

What signal may be given by sound and by light to indicate that a vessel fails to understand the intentions or actions of another vessel, or is in doubt that sufficient action is being taken by the other to avoid collision?

Five prolonged blasts (flashes).

Three short and rapid blasts (flashes).

One prolonged blast (flash), followed by five or more short and rapid blasts (flashes)

Five short and rapid blasts (flashes).

A steward reaches into a sink filled with soapy water to remove the plug. He cuts his hand on a carving knife lying in the bottom. What policy will best eliminate the chance of this kind of accident happening again while still maintaining hygiene standards?

Everymember of the galley staff is made responsible for washing their own knives.

Heavy duty gloves are to be worn when working at the sink.

Detergent shall not be used if knives are to be washed.

There is a dedicated sink for washing knives.

When opening hatch covers on a General Cargo vessel, what would indicate that there was ingress of water into the cargo holds during the voyage?

Rust-stained cargo

Evenly-distributed rust spots around the cargo hold

Evenly-distributed rust spots on cargo

Bright rust streaks on hatch coamings

Which of these statements about drug smugglers modes of operating is true?

An organized conspiracy usually smuggles a small amount of drugs.

"Drugs smuggled by an organized conspiracy are usually concealed in a primary ship system such as the engine room or in a tank, void or compartment."

Individual entrepreneurs usually smuggle large quantities of drugs.

Drugs hidden by individual entrepreneurs are usually difficult to detect.

What do you understand by the term Slewing?

Making the grab bucket/hook move up and down.

Making the complete crane move port and starboard.

Making the crane jib move up and down.

Making the crane jib move from side to side.

What is the expected state of the refrigerant immediately before the expansion valve in a vapour - compression refrigeration system?

Vapour at high pressure.

Liquid at low pressure.

Liquid at high pressure.

Vapour at low pressure.

A sudden or gradual increase of the chloride content in the freshwater cooling indicates:

Leakages from seawater coolers

Leakages from oil coolers

Exhaust leakage

Low concentration of corrosion inhibitors

What sort of information must an inhibitor certificate contain?

Inhibitor name, number of cargo tanks inhibited, duration of effectiveness of inhibitor, expected duration of sea voyage and temperature limitation qualifying the lifetime of the inhibitor

Inhibitor name, number of cargo tanks inhibited, duration of effectiveness of inhibitor, expected duration of sea voyage and date the cargo tanks are inhibited

Inhibitor name, date inhibited and expire date of the inhibitor

Inhibitor name, concentration of inhibitor, duration of effectiveness of inhibitor, expected duration of sea voyage, temperature limitation qualifying the lifetime of the inhibitor and number of cargo tanks inhibited

For what are bridge indicators required on board a ro-ro vessel?

All shell doors which, if left open, could lead to major flooding

All hinged doors in watertight bulkheads

All sliding doors in watertight bulkheads

All

On a Container vessel, how would you deal with a containerised scrap metal fire?

Cool the container using seawater

Allow the cargo to smoulder

Extinguish by smothering

Extinguish using seawater

When carrying high sulphur coal which areas of a cargo hold are prone to corrosion?

Steelwork with which dry cargo is in contact

Air and sounding pipes passing through the hold

Steelwork with which wet cargo is in contact

All steelwork

Continuity testing of a delta connected three phase induction motor yields the following results; U-V =3 ohms, V-W =3 ohms, W-U =6 ohms.Which of the following is the likely condition?

Short circuit winding between W and U

Open circuit winding between W and U

Short circuit between V and Earth

Partial fault between W and U

Which of the following conditions could be the cause of an air conditioning system evaporator icing up?

High sea water temperature..

Too low suction pressure.

Low sea water temperature.

Too high discharge pressure.

Select the option which best completes the following statement. "When carrying out repairs to damaged hatch gratings it is best to use…

…galvanised crosshead screws."

…galvanised nails."

…mild steel nails."

…mild steel screws."

The best way to identify an IED is to?

Measure the size of the object.

Shake the object.

Recognize its components.

Weight the object.

If a cargo has a literweight 0f 1.5 kg/l at 15° and a correction factor of 0,001, what is the literweight at 20° C ?

1.495 kg/l

1.4995 kg/l

1.505 kg/l

1.5005 kg/l

How many hours before departure should the ship's steering gear be checked and tested?

Within 96 hours

Within 48 hours

Within 12 hours

Within 1 hour

When would the Chief Officer wish to consult the First Engineer?

The Chief Officer would wish to consult the First Engineer whenever a hydraulic tank need to be filled.

The Chief Officer would wish to consult the First Engineer on all matters related to pollution.

The Chief Officer would wish to consult the First Engineer when the cargo hold bilges are not emptying, despite the bilges being pumped out.

The Chief Officer would wish to consult the First Engineer when items of engine room machinery require maintenance.

Once a vehicle has been stowed on board what should duty crew members ensure?

That the duty officer is notified of the vehicle’s position

That a photograph is taken of any damages

That the vehicle is lashed immediately

That there is no sign of tampering with internal accessories

Methane/air mixtures in the range of 5.3 - 14% are flammable and have an auto ignition temperature of approximately 595 degrees C. What is meant by the term 'auto ignition temperature'?

It is the lowest temperature at which flammable gases are given off by the mixture.

It is the lowest temperature at which the mixture will ignite when a flame is applied to it.

It is the lowest temperature of the source of ignition required to ignite a flammable mixture.

It is the temperature at which the mixture will spontaneously ignite and continue to burn without an external source of ignition.

Is it required to have full secondary barrier on spherical Type "B" tanks?

Yes, and the secondary barrier must be able to contain tank leakage for a period of 15 days.

Yes, if the tank is not crack propagation resistant.

Yes, it is required to have full secondary barrier.

Only partial secondary barrier required.

Where should containers with fishmeal cargo be carried?

On deck away from sunlight

Separated from class 4.2 containers

On deck

Under deck

What is the most important reason that personnel onboard an LNG carrier should become fully familiar with the vessel, the equipment and their duties as soon as possible?

So that in the event of an emergency appropriate action can be taken to limit damage and avoid injury.

To avoid any problems with shipboard operations and make sure the ship is not delayed on passage.

To keep handover times down to an absolute minimum to reduce costs.

So that cargo can be loaded and discharged as quickly as possible to reduce time in port.

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

FIC

LIR

FLO

FIR

What is the difference between an independent tank type A and independent tank type C

Independent tank type C is spherical tank

Independent tank type A is prismatic tank

There is no different on the two types

Independent tank type A need secondary barrier

A bulk cargo is loaded and the shore cargo figure is 10 000 tonnes; the chief officer calculates 9 500 tonnes have been loaded; what should the Master do?

Bills of Lading to be signed "Clean" by Master.

Inform Designated Person Ashore( DPA)

No action to be taken

Ask for a draft survey to be carried in the presence of P& I Club representative

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

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.

What is meant by the term 'hold space' in relation to a liquefied gas carrier?

The space where the ballast tanks are situated.

The space enclosed by the ship's structure in which a cargo containment system is situated

The space between the individual cargo tanks.

The space where the cargo is carried.

You notice the sump level in an engine has increased and no new oil has been added. What action would you take?

Reduced the load, and look after fuel or water leak.

Stop the engine and look for a fuel or water leak.

Drain some oil from the engine.

Leave it the same.

What is an IED?

An explosive

A homemade bomb

A type of gun

An incendiary device

On a Container vessel, if chemicals spilled into a cargo hold what would these residues be considered as, under MARPOL 73/78?

Cargo residues

Marine Pollutants

Waste

Oily mixtures

Chemicals and harmful substances are safely stored in a designated locker on board, why?

For safety reasons and stock control. When chemicals or harmful substances is delivered to a crewmember, the user shall sign for the amount received.

For stock control. Most of the chemicals and harmful substances we use on board are expensive.

Chemicals and harmful substances must be kept away from passengers so that they don't steal it.

For safety reasons. Many substances found onboard are capable of damaging the health and safety of those exposed to them. Before any chemical or harmful substance is delivered to a crewmember, the personnel shall receive training, instructions and information so that they know and understand the risks arising from use.

You are going to inspect a fresh water tank together with one of the Engineers. Is it safe enough to open the manhole and enter the tank (it is only fresh water) or do you have to take extra precautions before entering?

Make sure that the tank/ enclosed space is gas free, ventilated and the oxygen content is measured. O2 content shall be 21% before entering the tank/ enclosed space

Bring a flashlight and put on safety shoes

Use a breathing apparatus if the oxygen level is below 21%

Remember to have a colleague standing by to assist you if any problems

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.

A bulk cargo of Coal is to be loaded in Australia for Europe; the coal is declared as having a high moisture content (but less than the transportable moisture Limit (TML)); what must the Master ensure?

The bilges should have been sealed prior to loading

The bilges must not be pumped out

The bilges must be pumped out regularly

All cargo hold bilges are sounded daily and the amount of water logged; the bilges can then be pumped out.

What will happen when the ship arrives in Rotterdam?

The anchor will be tested when the ship arrives in Rotterdam

The ship will receive fuel and diesel oil bunkers when it arrives in Rotterdam

The navigation lights will be tested when the ship arrives in Rotterdam

The main engine will be tested when the ship arrives in Rotterdam

By what means can we monitor and control the integrity of the hull?

Documented operating procedures

The chief officer is responsible for monitoring the integrity of the hull and superstructure at all times

Let experienced personnel close and secure doors and ramps

Automatic detection systems, television surveillance and patrolling of ro-ro cargo spaces

The wire mesh guards for the fans of refrigerated containers sometimes have coloured ribbons tied to them. Which of the options is the reason for fitting these ribbons?

To indicate if the fan is running too slowly.

To indicate that the fan is running in the correct direction.

To indicate to the crew that the fan is running as a safety consideration.

To indicate that the fan is running at the correct speed.

What are typical accuracies for LNG measurement with regard to temperature?

+/- 0,2 C in the range of - 150 C / - 170 C

+/- 0,7 C in the range of - 150 C / - 170 C

+/- 0,4 C in the range of - 150 C / - 170 C

+/- 0,5 C in the range of - 150 C / - 170 C

What is understood by the term "a Combination Carrier"?

A general cargo ship

A ship designed to carry either oil or solid bulk cargoes

A ship designed to carry bulk cargoes in alternate holds

A ship designed to carry all types of cargoes

Which one of the following liquefied gas cargoes is considered as presenting a toxic hazard according to the IMO Gas Codes?

Butane.

Ethylene.

Propane.

Ammonia.

The ship is to berth alongside a quay in calm conditions of no wind or current. The ship has a single fixed pitch right handed propeller. Which angle of approach would be considered the most favourable?

No. 3

The decision should be left to the pilot who is in charge of the manoeuvre.

No. 2

No. 1

Which of the given options characterizes a 2-stroke diesel engine ?

The piston always has a short skirt.

A 2 stroke engine always has 2 or more turbochargers.

A 2 stroke engine completes a full cycle every revolution.

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

During a routine check of one of the auxiliary engines in an UMS operated engine room, a minor leakage on a high pressure fuel pipe was observed. What would be an appropriate action and/or precaution to be taken? (Assume normal operation; 2 sets operating and 1 set standby)

Any of the mentioned alternatives will meet the requirement.

Have a motorman on watch for the rest of the night, especially instructed to watch the engine

Change the operation to the third generator set, leaving the original set as stand-by awaiting possibility to repair the failure.

Change operation to the third generator set, preparing the original set for repair of the failure and switching to manual mode until repair is carried out.

The HP discharge valves of a 2 stage air compressor suffer from build up of carbon deposits even though the correct maintenance is carried out on them. What is the most likely cause of this problem?

Water in the compressor lubricating oil.

Worn scraper and piston rings.

Compressor cooling water temperature too low.

Ineffective air intake filter.

What is the correct understanding of the term "Isobar"?

An "Isobar" is the line showing the direction of the predicted path of a hurricane.

An "Isobar" is a line joining places of equal pressure.

An "Isobar" is a line joining places of equal temperature

An "Isobar" is the line of the cold front in a frontal depression

On a RoRo vessel, which of these stowage situations produces high friction that does not allow movement of the cargo?

A single tier of dunnage placed between vehicles and steel decks

Steel plates placed between vehicles and steel decks

Vehicles in direct contact with steel decks

Two tiers of dunnage placed between vehicles and steel decks

What is the primary hazard associated with the carriage of a bulk cargo of salt on a Bulk Carrier?

There are no special hazards associated with this cargo

The cargo may be liable to self heat.

The only possible hazard is associated with ingress of water into the hold and a loss of stability

This cargo maybe liable to spontaneous combustion

When is a visitor onboard required to present an ID?

Only on SECURITY Level 3

On SECURITY Level 2 & 3

Never

"On SECURITY Level 1, 2 & 3"

When should a spreader be used for general cargo operations?

When the weight of a load needs to be evenly distributed by the lifting gear

When the length of a load is such that slinging it will create unacceptable bending moments

When the length of a load is such that slinging it will create sagging

When handling open-top containers

In most colour coding systems for kitchen knives, what colour is used to indicate those used only for preparing raw meat?

Black.

Blue.

Red.

Yellow.

A resistor has three red bands. What is the resistance?

220 ohm

22 ohm

2200 ohm

222 ohm

A refrigerated break-bulk cargo (not palletised) is being loaded into a space that it will not fill. From the options given select the one which gives the best way to finish the stow.

With a vertical face that can be secured by netting.

The stow should be stepped down progressively over several rows so that it is self securing.

With a vertical face that can be secured by plywood sheeting.

With a vertical face which can be secured with wooden tomming.

In which cases shall side scuttles in passenger ships be so constructed that they cannot be opened without the consent of the master of the ship?

Where the sills are mounted below the bulkhead deck

Where the sills of the side scuttles are below the margin line

Where the sills of the side scuttles are less than 500 mm above the deepest load line

Where the height of the side scuttles go through more than two decks

Which of the following statements is correct when discussing warm clothing and passengers?

After being mustered, passengers will return to their cabins for warm clothing.

The crew will pass out warm clothing for passengers.

Warm clothing will protect passengers from drowning.

Warm clothing will protect passengers from hypothermia.

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

What is the procedure if a tank lorry containing dangerous goods is not clearly marked?

As long as the driver looks ok, load the cargo

Ask the driver to write a declaration of contents and load the vehicle

Load it, usually tank lorries are not clearly marked

Refuse to load the vehicle

Consider the situation sketched below. What can happen if the tugmaster is not careful?

The tug may be turned across your bow with the danger of being turned over.

The stern of the tug may be sucked into your bow.

The tug may be pushed away from the ship and thus unable to assist your vessel.

The tugmaster may loose control and ram your bow with possible damage to your ship.

Chemicals and harmful substances are safely stored in a designated locker on board, why?

For stock control. Most of the chemicals and harmful substances we use on board are expensive.

Chemicals and harmful substances must be kept away from passengers so that they don't steal it.

For safety reasons and stock control. When chemicals or harmful substances is delivered to a crewmember, the user shall sign for the amount received.

The bottom end bolts employed in 4 stroke diesel engines are usually given a finite life and must be replaced periodically. What would be the normal failure mode that would affect these bolts if they were not replaced as required?

Failure due to torsional stresses

Failure due to bending stresses

Failure due to fatigue stresses

Failure due to tensile stresses

Which of these definitions is that of a "Marine Pollutant" under the IMDG Code?

Any substance which is deemed hazardous to the marine environment.

A substance which is subject to the provisions of Annex III of MARPOL 73/78, as amended.

A substance which, because of its tendency to degrade in seafood, or because of its hazard potential to the aquatic environment is subject to the provisions of Annex I of MARPOL 73/78, as amended, and carried by sea accordingly.

A substance which is subject to the provisions of Chapter V of SOLAS 1974, as amended.

Which of the below structures of bulk carriers are considered critical?

Forecastle deck

Upper and lower connection of main side frames

Longitudinal deck plating outside hatches

The girders

What is the best method for ensuring that the cylinder powers of a high speed diesel engine, fitted with a monoblock multi-cylinder fuel pump, are correctly balanced?

Measure the maximum pressure of each cylinder to check that they are equal.

Take a set of indicator cards using a mechanical indicator and calculate the cylinder powers.

Check the exhaust temperatures on each cylinder to see if they are equal.

Have the fuel pump phased and calibrated in a test workshop.

In which cases shall side scuttles in passenger ships be so constructed that they cannot be opened without the consent of the master of the ship?

Where the height of the side scuttles go through more than two decks

Where the sills of the side scuttles are below the margin line

Where the sills of the side scuttles are less than 500 mm above the deepest load line

Where the sills are mounted below the bulkhead deck

Is it necessary to cool the water samples from the cooling system, before testing?

Yes, must be cooled to 25 Degr. C.

Yes, must be cooled to 50 Degr. C.

No, must be heated to about 95 Degr.C.

No.

What is the function of a lashing plate?

A means of securing turnbuckles

A means of securing butteresses under-deck

A means of securing lashing chains

A means of securing the hatch covers

How is cargo in a self-unloading bulk carrier fed to the vessel’s conveyor belts during discharge?

Via remote-controlled hopper gates at the bottom of each hold

Via hydraulically-operated hopper gates at the bottom of each hold

By gravity through mechanical hopper gates at the bottom of each hold

Via mechanically-operated hopper gates at the bottom of each hold

The first step in completing an SSA is to:

Develop an onboard security survey checklist

"Identify the key shipboard operations, systems, areas and personnel that are critical to protect."

List the existing security measures.

Create a list of potential motives for security incidents against your ship.

该在线测试包含来自 CES 5.1 测试的 90 道随机问题，涉及您选择的主题。