家在线测试 CES Oil tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Oil tanker vessel

在线测试： Test online CES 5.1 for MASTER / Ch-Officer, 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

The self contained air support system on a totally enclosed lifeboat is designed to provide safe and breathable air with the engine running for a minimum of how many minutes?

10 minutes

5 minutes

30 minutes

20 minutes

Which part of the float-free arrangement for inflatable liferafts is made to free the container of the liferaft from its berth during the ship is sinking?

the lashing strap

the weak link

the hydrostatic release unit

the painter

The comburent is

the oxidising-reductor agent, which burns in contact with air

the oxidising agent in the presence of which fuel may burn. The oxygen is a comburent par excellence

the reductor agent in the presence of which fuel may burn. The monoxide is a comburent par excellence

the name given to any fuel, when it burns with oxygen

On all UMS operated vessels and also on most other vessels the engine room is equipped with fire detectors. What requirements of testing and checking of the detectors are to be observed?

All the mentioned alternatives.

When testing detectors by suitable equipment (smoke and heat) check that the sensors self controlling system, e.g. a flashing control light etc. is functioning.

Check that the actual detector is giving appropriate signals to the central control unit and that all electric connections are in good order.

Check the detector with heat and/or smoke (in accordance with instructions in its manual)

Under way to discharging port temperature tests indicate fire in a hold loaded with coal. What is the first action to be taken?

Fill the hold with water

Call for assistance from other ships or rescue vessels

Close all air ventilators and other openings to the hold in question

Open the hatches and cover the top of the cargo by foam

What is the maximum allowed suction head for fire pumps? (SOLAS II-2/4.3.3.2.5)

1.5 metros

3 metros

4.5 meters

9 metros

The greatest limitation of the fixed pressure water-spraying fire-extinguishing systems is a danger of

Stability reduction on ships with several decks

Overflowing

All answers are good

Stability reduction on ships with single deck

What is the requirements to ventilation ducts of more than 2 metres in length (ships other than passenger ships carrying more than 36 passengers)? (SOLAS II-2/16.1)

They shall have lining of non-combustible insulating material

They shall be isolated from any combustible material

They must be fabricated of non-combustible material

They must be fabricated of fire-resistant material

How often must inspection of proper working of the EPIRB ‘s and SART ’s take place on board? Once per:

month

Don't know

14 days

week

What is Hypothermia and how is it cured?

Body temperature below 35C / Heat the body

Body temperature above 39C / Cooling down the body

Body temp below 23C / Slowly heat the body

Heavy coughing / Medication

What is the most probable place that any oil will flow over the ship's side in case of an overflow during loading/discharging?

Near the sounding pipe of the tank being loaded/discharged

Near the hatch of the tank being loaded/discharged

Near the cargo manifold

Aft part of the tank-deck

Give the meaning of the following symbol

A class fire door

A class door self closing

B class fire door self closing

B class fire door

What sound signal shall be used on ship's whistle when man-over-board?

3 long blasts repeatedly.

5 short blasts repeatedly.

6 short blasts repeatedly.

4 long blasts repeatedly.

What can be used to reduce the effect of the state of sea-waves?

Vegetable / Fish Oil

Fuel Oil

Foam

Crude Oil

Your ship is equipped with a single, right-handed fixed screw. Steaming full ahead you reverse the engine to stop the ship. How will the ship react? No wind or current.

She will most likely sheer to port and stop rather quickly

She will most likely continue on a straight course

She will most likely sheer to starboard and gradually lose headway

She will stop on 1.5 times the ship's length

Do you think a ship's trim has any influence on steering abilities?

Yes, a ship usually steers better if trimmed by the bow

No, it is usually best to have no trim at all

Yes, the ship usually steers better if trimmed by the stern

No, the ship will have the same steering ability unaffected by trim

If a shipping company wants to be attractive to clients, it must be able to provide?

Provide efficient and reliable service

Safe operation

Provide minimum loss

On schedule operations

Under GMDSS rules the trading area A3 can be considered to be:

Polar region.

Within VHF range.

Within MF range.

Within coverage of the INMARSAT system.

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

In F1B mode:

the amplitude of the broadcast signal changes

the amplitude of the carrier-wave changes

Don't know

the frequency of the broadcast signal changes

What is the usual range of a VHF equipment ?

3000 miles

30 miles

300 miles

500 miles

Define the class of emission H3E :

Radiotelephony - Phase modulation

Radiotelex and DSC - Frequency shift keying of sub-carrier with error correction

Radiotelex and DSC - Phase modulation

Radiotelephony - Single sideband full carrier

What is the fundamental purpose of a coast radio station?

To automatically connect a vessel placing an INMARSAT call with the station being called.

To coordinate search and rescue communications.

To provide continuous digital selective calling coverage.

To provide a delivery service for ships with routine, safety, urgency, or distress message traffic.

*Which of the following duties shall be included in the "muster list" as being assigned to members of the crew ?

operation of the vessel's propulsion system

use of communication equipment

preparation of manoeuvres intended to ease launching of the survival craft

preparation of immersion suits for the ship's passengers

Give the meaning of the following symbol:

muster station

gathering place for embarkation formalities

embarkation station

muster station for families only

Give the meaning of the following symbol:

survival kit

lifejacket

immersion suit

child's lifejacket

How would you know how many people a lifeboat is supposed to hold ?

ask one of the deck officers

the number of persons should be clearly stated on the outside of the boats bow

no fixed number as it depends on the people's size

fill the boat up until no more space is left

Which of the following features is required for an anti-exposure suit ?

is marked with the name of the vessel to which the appliance belongs

is made of such a material that it cannot be torn

has a lateral field of vision of at least 120°

can be continously worn without impeding every duties to be performed by the wearer when in normal watch on the bridge

When fully loaded, a lifeboat should have a sufficient strength to withstand a drop into the water from a height of:

Not less than one third of the distance from the stowage position of the lifeboat to the waterline in the in the lightest seagoing condition

Not less than 0.5 metres

Not less than 3.0 metres

Not less than 1.5 metres

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

one searchlight which can work continuously for not less than 3 hours

two buoyant paddles

one boat-hook

two painters of a length equal to not less than the distance from the stowage position of the liferaft to the waterline

Which one of the listed requirements regarding fire protected lifeboats do not correspond to present regulations? Water spray systems shall:

have separate draining pumps of sufficient capacity

be arranged for flushing with fresh water and allowing complete draining

protect the occupants through a continuos oil fire for a period of not less than 8 minutes

have means for "turn on/turn off" the flow of water over the exterior of the lifeboat

How much water per person is provided in a liferaft not equipped with a desalting apparatus?

2 litre

1.5 litre

5 litre

3 litre

*Give the meaning of the following symbol

Release bowsing tackles

Release painters

Release falls

Release gripes

*Give the meaning of the following symbol

Reverse engine

Start water spray

Start lowering the lifeboat to water

Start engine

*Give the meaning of the following symbol

Start engine

Reverse engine

Indicates manual starting direction of the engine

Start air supply

*Which one of the following items has to be included in an abandon ship drill?

Manoeuvring the lifeboat in the water

operation of davits used for launching liferafts

Starting and operating radio life-saving appliances

Launching and recovery of a survival craft

*Which of the following detailed explanations should be mentioned in the Training Manual ?

How to use navigational equipment for survival crafts

How to release from launching appliances

How to use escape routes and other escape methods

How to use surface to air visual signals to be used by survivors

Which of following items shall be included in an abandon ship drill?

Checking the distress signal rockets and other distress signals.

Checking passenger's immersion suits.

Checking the lifeboat provisions and supplies.

Checking that lifejackets are correctly donned.

What material should boiler suits be made of?

Cotton

Wool

Nylon

Asbestos

If the Radar scanners of one vessel are in the same horizontal plane as the cargo deck of the other during transfer operations, which type of radar emissions would pose a greater danger of the induced ignition of flammable vapours?

a 10 cm radar.

Neither a 10 or a 3 cm radar.

Both a 10 and a 3 cm radar.

a 3 cm radar.

How will you calculate transverse accelerations?

Multiply the values taken from tables 2, 3 and 4 of the Cargo Stowage and Security (CSS) Code

Multiply the values taken from tables 3 and 4 of the Cargo Stowage and Security (CSS) Code

From formulae given in the Cargo Securing Manual (CSM)

Rule of thumb and past experience

What is the correct initial firing procedure to be adopted when bringing a main steam boiler up to pressure from cold condition?

Start the firing on maximum rate and raise the pressure in as short a period as possible, to save energy.

Start the firing on minimum rate and alternate with maximum rate continuously firing until the boiler is up to pressure.

Start the firing on minimum rate and continuously fire until boiler is up to pressure.

Start with intermittent firing, using small firing periods and long intervals gradually building up to longer firing periods and shorter intervals until steam pressure starts to rise.

What is the purpose of the deck water seal on the deck of an oil tanker?

To prevent the passage of petroleum gases back to the machinery spaces.

To automatically compensate for temporary fluctuations in inert gas pressure within the cargo spaces.

To provide a second washing cycle to inert gas.

To automatically adjust the inert gas flow.

Under the IMDG code what class is assigned to a Fumigated Container?

Class 8

Class 9

Class 5

Class 6

What should be observed concerning a ship's water tight integrity?

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

The ramp is in stowed position

The aft door locked

That all emergency exit doors are locked and secured

What basic information do we get from the pump's flow-head curve?

We get information about the NPSH.

We get information about the pump-s lifting height and liquid flow.

We get information about the pump-s back pressure.

We get information about the pump-s suction head.

Some of the valves in the system are marked ESD. What does this mean?

Emergency safety drop.

Estimated shut down.

Emergency shut down.

Estimated safety drop.

Which publication gives guidance on the stowage and securing of general cargo?

IMO Code of practice for stowage and securing of cargoes

SOLAS Safety Training Manual

IMO Code of Practice for Bulk Cargoes

International Load Line Regulations

Where are cargo hold water level detectors required to be fitted on bulk carriers?

At the port and starboard midship sections of each cargo hold

In cargo hold bilges

At the forward end of each cargo hold

At the after end of each cargo hold

Which type of temperature sensor is used in this temperature measuring system shown?

Platinum resistance sensor

Quartz sensor

Thermistor sensor

Thermocouple sensor

The purpose of the surface blow valve is to

Remove any oil or scum on water surface

Remove air from feed-water

All alternatives

Remove sludge and scale from boiler tubes

How often shall the master review the safety management system?

Every month

Bi-annually

Every 5 years

Annually

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

What is the correct definition of: -boat drill?

Training in lifeboat handling.

To drill all boats.

To secure the boats.

To launch the boats.

As well as having temperature sensors located in the cargo holds some reefer vessels are also fitted with ethylene sensors. Why is it useful to have information regarding the ethylene content in a reefer vessel cargo hold when carrying fruit cargoes?

The ethylene content must be maintained to help ripen the fruit during the sea voyage.

Some fruit cargoes are sensitive to ethylene and the quality of the cargo can deteriorate as they may over-ripen.

The ethylene content can be used as a guide as to when air change fans need to run.

The ethylene content is beneficial to perishable cargoes in transit so the content needs to be monitored in case the level falls.

The Captain has complained about the catering department overtime and the amount of food being left over and wasted. The Cook suggests that he cooks a large amount of rice in one go, keeps it warm during service at the evening meal, places any left over in the refrigerator overnight and then re-heats it for the lunch-time meal it the next day. Is this acceptable practise? (Select the most correct answer).

Yes, it will minimise cooking time and cut down wastage. As the rice has not been mixed with any other ingredients, it will remain pure and fresh.

Yes, it will save overtime and cut down wastage. Being rice, it poses no health risk.

No, this is extremely dangerous and could lead to food poisoning throughout the whole crew.

Provided the rice is re-heated to a temperature of at least 37.8 degrees Celsius there will be no health risk. It is a practical approach to cutting down preparation time.

You must not attempt to move a casualty carelessly, if you suspect patient with:

Fractured spine

Sleeping

Consumed excess alcohol

Unconscious

From the options, select the best description of the function of a buttress fitting on a container vessel.

To avoid excess load placed on the tank top.

To ensure an even distribution of weight throughout the stack.

To transfer forces from the container stow to the ships structure.

To maintain a uniform level stow across the tier of containers.

During inspection and overhaul of a 2-stage reciprocating air compressor the main and bottom end bearing shells are found to be heavily scored with parts of the overlay and bearing metal breaking away. The crankshaft pins are found to have only very light surface scratches. Which of the given options is the best action to be taken to remedy the problem?

Clean up the bearing surface and crankshaft pins with scrapers and grinding paste and refit them. Refill the crankcase with clean oil.

Refit the shells and refill the crankcase with clean oil and run the machine so that the bearings wear themselves back in.

Replace the bearing shells with new spares after cleaning out the crankcase and refilling with clean oil.

Replace the bearing shells and crankshaft with new spares and refill the crankcase with clean oil.

By what name are the regulations which control the discharge of noxious substances and prevent pollution from ships known?

SOLAS

The International Marine Pollution Prevention Laws

ISGOTT

MARPOL

Not all crude oils can be used for crude oil washing. What is the common recommendation to use a crude oil for washing.

The temperature must at all times be 10 degrees Centigrade above the oil’s pour point temperature.

As long as the oil is floating.

Depends on the oil’s density.

The temperature must at all times be 25 degrees Centigrade above the oil’s pour point temperature.

What does the word "condiments" refer to?

A sauce or seasoning, such as mustard or pepper.

Persons suffering from food poisoning.

Bread rolls.

Orders for a meal.

What is the minimum number of ”Firemen’s outfit” on gas tanker, above 5,000 m3, carrying flammable products?

2 sets of Firemen’s outfits

4 sets of Firemen’s outfits

3 sets of Firemen’s outfits

5 sets of Firemen’s outfits

What must loading instruments on bulk carriers of 150m in length or more display?

Depending upon what cargo is carried permeability of the foremost cargo hold

Hull girder shear forces

Ultimate strength of main deck plating

Breaches in the hull

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.

What standing instruction should be given to prevent a possible blackout on board a ro-ro vessel?

To check with the duty engineer prior to switching on motors or other machinery that take a heavy load

To check with the duty engineer prior to taking steps in correcting the vessel’s list

To use minimum deck lighting at night

To switch off lights in idle cargo holds

What does the term liquefaction mean with respect to some heavy metal concentrate cargoes on a Bulk Carrier?

The cargo is very dry and will not reach a flow state

The cargo may suffer moisture migration and become semi-liquid near the top of the stow

The cargo may self-heat on voyage

The cargo pile will always be stable

This graphical symbol is a logic gate. Which gate?

AND

NOR

NAND

Which of the following statements is correct with regard to IMDG Class 4 (flammable solids) cargoes loaded on a General Cargo vessel?

The cargo is not covered by the requirements of the IMDG Code

The goods can only be carried in the forward part of the vessel

The cargo can be stowed anywhere on the vessel

The goods require protection against movement and can only be loaded if a cargo declaration is supplied by the shipper

"Protective discrimination" means the progressive grading of sizes or tripping times of:

Generators and motors.

Line fuses and overcurrent relays

Magnetic and thermal current transformers.

440 V and 220 V transformers.

How do container ships without hatch covers comply with the International Convention on Load line Rules?

An International Load Line Exemption certificate will be issued in accordance to Article 6.

A special movable deck is provided to ensure watertight integrity

There will always be hatch covers on ships to comply with the International Load line Rules

This type of container ship does not need to comply with the Load line Rules

After communication plugs are connected, the ESD is tested from?

No testing required.

Shore.

Ship and shore.

Ship.

Which of these foodstuffs contributes to lowering the cholesterol content in the blood?

Cheese

Fatty fish

Pork

Eggs

In order to speak clearly and effectively you should:

gesture with your arms

stand tall with shoulders squared

never open your mouth too wide

open your mouth, pronounce your consonants, and shape your sounds well

During inspection of a high pressure fuel pump for a medium speed diesel engine it is observed that the upper leading edge and the lower helical edge of the pump plunger have suffered from erosion damage. Select the correct action to take to remedy this from the options given.

Replace the complete pump with a new or reconditioned spare.

Renew the plunger and barrel insert as a pair.

Smooth away the damaged area with a grinder and polishing stone and refit it.

Renew only the plunger if the barrel appears undamaged.

The bilge holding tank level is being reduced by discharging through the OWS. What action should be taken when the oil/water interface in the holding tank is reached?

Stop the OWS and pump the oil to the incinerator tank.

Stop the OWS and pump the oil to a bunker tank.

Bypass the OWS and discharge the remaining contents of the holding tank overboard.

Continue pumping the contents of the holding tank through the OWS.

What are ‘Dangerous Goods’ within the context of containerisation?

Goods that are liable to explode

Substances, materials and articles covered by the International Maritime Dangerous Goods (IMDG) Code

Goods that are self-heating and liable to spontaneous combustion

Goods that are liable to cause damage to the ship

A main steam boiler is to be shut down for an extended period. Which of the following methods for the lay up is best suited to maintain the boiler in good order?

Lay the boiler up dry by just draining all of the water and closing all the access doors.

Lay the boiler up wet completely filled with clean distilled water with a slight head on the steam drum to avoid any air pockets.

Lay the boiler up dry by draining all of the water and fitting heaters in the drums to prevent condensation forming which may result in corrosion.

Lay the boiler up wet with normal working water level and chemical treatment maintained.

In the diagram, which letter is indicating the position "MIDSHIPS"?

Midships is indicated by B, in the figure

Midships is indicated by D, in the figure

Midships is indicated by A, in the figure

Midships is indicated by C, in the figure

What is understood by the term "Dew point" of the air?

The temperature at which condensation in the air forms into water droplets.

The temperature of the water vapour in a cloud.

The "Dew Point" is the point at the centre of an Anticyclone

All of the suggested answers

Transportation of oil at sea can be divided in two groups, which?

Crude oil and fuel oil.

Crude oil and refined products.

Crude oil and black oils.

Crude oil and lubricating oil.

What would affect the proper functioning of a bridge fitting?

Pitting

A fully extended spindle

Lack of grease

Buckling

You are on a power-driven vessel underway in open water. This vessel is sighted wide on the port bow. It's bearing is opening, but its distance is closing rapidly. Which of the following is a correct assessment of the situation and the action to be taken?

Risk of collision is deemed not to to exist. However, to be sure of a safe passing distance, I will reduce my speed to allow the other vessel to pass ahead.

Risk of collision is deemed not to exist and I will maintain my course and speed. I will continue to monitor the situation.

Risk of collision is deemed to exist and I will make a broad alteration of course to starboard, sounding one short blast. I will re-assess the situation when the alteration is carried out.

Risk of collision is a possibility. I will maintain my course and speed for now, but be prepared for an alteration of course to port if the CPA seems to be less than 0.2nm as we draw closer.

What action should be taken, in addition to isolating the leak, if the boiler water has become contaminated with a small amount of fuel oil due to a leaking heating coil?

Do nothing, a small amount of oil in the boiler is harmless..

Dose with coagulant and give the boiler a bottom blowdown.

Dose with coagulant and continue to operate the boiler as normal.

Dose with coagulant and surface blow the boiler.

Inspection of the LP turbine rotor reveals some erosion damage to the blading on the final stage. Which of the given options is most likely to be the cause of this condition?

Steam inlet to the turbine superheat temperature low.

Steam inlet to the turbine pressure too low.

Excess LP bleed steam take off.

Total dissolved solids in the boiler too high.

As per SOLAS every fast rescue boat shall be provided with:

Thermal protective aids for the number of persons the boat is permitted to accommodate

Emersion suits for each person the boat is permitted to accommodate

3 Thermal protective aids

Thermal protective aids for at least 10% of the persons the boat is permitted to accommodate or two, which ever is greater

Read the text in the diagram and answer this question: What should be given to prospective seafarers?

Approved training in survival techniques

Passport and visa

Recommendations

Survival and protective clothing

During a walk around of a stow of refrigerated containers, one of the containers is noted to be quiet and has a red light showing on the control panel. Select, from the options given, the most likely cause of this condition.

The red light indicates that there is power to the container.

The red light indicates that an air change is in progress.

The red light indicates that there is a fault with the container's refrigeration unit.

The red light indicates that there is no power to the container.

This amplifier circuit is a common configuration used to amplify the difference in voltage between two input signals; in this case input 1 and 2. What is this amplifier called?