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

在线测试： Test online CES 5.1 for 2nd-Off / 3rd-Off, Gas 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 6-men inflatable liferaft shall be carried as far forward as is reasonable and practicable. Where is the best stowing position?

In a locker, under the forecastle

Aft of the forecastle secured with wire, turnbuckle and slip hook

Aft of the forecastle secured with the use of a hydrostatic release device

All forward on the forecastle and secured with the use of a hydrostatic release device

*The weak link of a float-free arrangement for liferafts must break under a strain of:

9,7 kN ± 0,4 kN

4,2 kN ± 0,4 kN

0,7 kN ± 0,4 kN

2,2 kN ± 0,4 kN

Which one of the listed requirements regarding rocket parachute flares do not correspond to present regulations? The rocket parachute flares shall:

be contained in a water-resistant casing

burn with a bright orange colour

have integral means of ignition

have brief instructions clearly illustrating the use of the flare

What kind of fuel will originate a class A fire?

a solid (cardboard or wood…)

a liquid (gasoline or petrol…)

a gas, not under pressure

a gas, under pressure

*Where detectors of a fixed fire detection system are grouped in sections, each of these sections:

May cover more than one deck within accommodation spaces

May cover more than one main vertical zone in a passenger ship

May cover a machinery space of category A together with a control station

None of the answers is correct

What kind of measure is the division of the vessel in upright areas by using thermic and structural separations?

It is neither a prevention nor a protection measure

It is a prevention measure

It is both a prevention and protection measure

It is a protection measure

What is the minimum number of independently driven fire pumps that must be provided on general cargo ships of 1000 gross tonnage and upwards?

*What is the minimum number of portable fire extinguishers that must be provided for the accommodations, service spaces and control stations on ships of 1000 gross tonnage and upwards?

You are carrying out a search in a smoke filled room wearing BA. 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

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 in front.

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

Where do we find information regarding fire extinguishers, fire doors, remotes release buttons, fire equipment etc. onboard a ship?

The engine log book

The ship's drawings

On the bridge

The ship's fire plan.

*What is the correct procedure to extinguish a soot fire in the exhaust boiler?

Stop the engine and use the CO2 fixed fire-extinguishing system

Reduce speed and use soot blowers if some are fitted

Stop the engine and let the fire burn out by itself

Increase speed or continue full speed

What is false regarding the function :” Transmission and reception of ship to ship distress alerts

On area A4 this function is based on the use of VHF or/and MF DSC

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

On area A3 this function is based on the use of INMARSAT A, B or C

On area A1 this function is based on the use of VHF DSC

What is the first sign and symptom of a Cardiac Infarction?

Skin may be red and loss of movements in the right arm may occur.

Possible frothing at the mouth.

Strong and painful pulse.

Sudden crushing, vice-like pain in the centre of the chest.

You are on a vessel 10 nautical miles off the coast of Algerie, in the Mediterranean Sea. Are you allowed to dump food waste overboard?

Yes, all kind of food waste can be dumped overboard

Yes, the food waste can be dumped if it is ground so that the resulting particles can pass through a screen with 50 mm openings

No, food waste can not be dumped overboard

Yes, the food waste can be dumped if it is ground so that the resulting particles can pass through a screen with 25 mm openings

Give the meaning of the following symbol

Area protected by Halon 1301

Area protected by sprinkler

Area protected by drenching system

Sprinkler installation

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

About 20%

About 80%

About 50%

You want to stop your ship as quickly as possible without too much change in the heading. What can you do to achieve this?

Use the rudder hard over both sides while reducing engine power, so-called "high frequency rudder cycling"

Do a zig zag manoeuvre

Put the engine full astern

Make a complete turning circle

Your vessel is moving in Panama Canal waters. When must a crew man capable of and ready to operate the anchors be on the forecastle?

When passing through the Gatun Lake

When passing through Gaillard cut

When anchoring in Gatun Lake only

When a Panama Canal pilot is onboard

When should voyage planning be done?

During the pilotage when leaving the berth

Before the vessel completes the previous passage.

Prior to leaving the berth

Before the pilot is leaves the vessel at the departure port.

Should recommended route information be used in conjunction with weather routing?

Sometimes

Yes

Only if recommended by weather routing

If messages are received which aren’t intended for own ship:

They must only be passed to the master

They must be forwarded to the company

They must be noted in the radio log book

They must not be used for any purpose

The usual range of a VHF radio-set from ship to ship at sea is:

2 Nautical Miles

200 Nautical Miles

10 Nautical Miles

20 Nautical Miles

What is the meaning of this symbol:

lower liferaft to water

embarkation ladder

evacuation slide

davit-launched liferaft

Give the meaning of the following symbol:

immersion suit

waterproof protection

child's lifejacket

diver suit

A person wearing an immersion suit which has its own buoyancy is able to turn from a face-down to a face-up position in not more than:

30 sec

1sec

10 sec

5 sec

An inflatable lifejacket has:

1compartment automatically inflatable and 1 compartment manually inflatable

2 separate compartments

1compartment

3 separate compartments

Give the meaning of the following symbol

EPIRB

Radar transponder

Survival craft distress pyrotechnic signals

Rocket parachute flares

*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

What must be checked before loading cargo in 'tween decks of a General Cargo Vessel?

The cargo stowed here must be for first discharge port only

The maximum allowed loading must be checked before commencing operations to avoid possible damage

These spaces can only be used for very light cargo

Only very heavy cargo units can be stowed here

You have just been handed six sample bottles by the cargo surveyor, containing Nitric Acid drawn from a cargo just loaded on your ship. How will you move them to the sample locker, prior to storage?

I will carry as many as I can in my arms in one go, but ensure first that I put on a pair of chemical-proof gloves.

I will instruct the cargo surveyor that he must deliver the samples to the locker himself.

I will obtain a plastic carrier bag, put the bottles inside and take them to the locker as quickly as possible.

I will place them into a proper container with a handle, such as a sample carrier or a strong bucket. When I move them, I will ensure that I am focused on this task alone.

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

Class 8

Class 9

Class 5

Class 6

What type of lashing arrangement is needed on weather deck for securing one container high?

No lashing arrangement needed.

Turnbuckles and rods.

Twistlocks with turnbuckles and rods.

Twistlocks.

What would be a typical oil feed temperature for purifying heavy fuel oil in a centrifuge in order to ensure good separation?

105 - 108 Celsius.

95 - 98 Celsius.

85 - 88 Celsius

75 - 78 Celsius.

What should not be done when a container of liquid ammonia is on fire?

Restrict ventilation

Cool the container with water

Use a dry chemical fire extinguisher or carbon dioxide gas

Use self-contained breathing apparatus

In a purifier assuming the separating temperature is correct, what is probably wrong if processed oil contains water

Back pressure is too high

Gravity disc is too small. Flow rate is too high

Gravity disc is too small

Gravity disc is too large

Under which of the following conditions would it be dangerous to load a cargo of bulk coal?

When the temperature of the coal to be loaded exceeds 55 degrees Celsius

When the temperature of the coal to be loaded exceeds 30 degrees Celsius

When loading is required from open stockpiles

When loading coal from an open stockpile and it is wet

The station bill contains the details of the emergency signals and:

each crewmember's emergency and regular duties

each crewmember's duties in an emergency

only the officers' duties in an emergency

crew and passenger duties in an emergency

What is the most important treatment concerning a foreign body in the eye?

Wring the eye-lid to prevent blinking

Local anaesthetic

Rinsing of the eye with water

Keep the eye closed

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

Freeboard is given by A on the figure

Freeboard is given by C on the figure

Freeboard is given by D on the figure

Freeboard is given by B on the figure

You are to supervise a hot work repair in a cargo tank on an oil tanker. You have measured the atmosphere inside the compartment as 21% oxygen content by volume and less than 1% LFL hydrocarbon vapour concentration. Does this mean the work can commence? (Select the most correct option)

No. The flammability reading should be maximum 0.5% LFL hydrocarbon vapour concentration for any hotwork to take place. .

Yes, provided that continuous readings are maintained throughout the operation and flammability readings do not exceed 2% hydrocarbon vapour content in the immediate vicinity of the hotwork site. .

Yes. The minimum safe requirements for hot work have been met.

No. Further precautions need to be taken. The area around the work site needs to be cleaned and checks need to be made on adjacent spaces. Additional precautionary measures may need to be put in place.

Which regulations cover packaging materials consisting of wooden elements?

The Code of Safe Practice for Cargo Stowage (CSS) Code

The International Maritime Dangerous goods (IMDG) Code

International Standards for Phytosanitary Measures (ISPM) Code

The United Nations Convention on Law of the Sea (UNCLOS)

A routine inspection of a hold space on a liquefied gas carrier is necessary. Checks of the atmosphere indicate that there is only 19.5% oxygen content. Which of the following actions is recommended?

Postpone the inspection and continue ventilating until an oxygen reading of 21% is achieved.

Carry on with the inspection as normal since 19.5% oxygen content is sufficient for breathing.

Ensure all persons entering the space for the inspection wear self contained breathing apparatus.

Ensure the inspection is carried out quickly in case the oxygen content reduces any further.

Too high exhaust temperature in one cylinder becomes because of:

Charge air temperature is too high.

Water leakage in the cylinder.

Too much lubricating oil in the cylinder.

Injection valve opening pressure is too low.

A threaded hole is to be formed in a steel plate using a tap and wrench. When drilling the hole which of the options best describes the required drill size?

The drill should be a bigger size than the diameter of the tap.

The drill should be a smaller size than the diameter of the tap.

The drill should be the same size as the diameter of the tap.

The drill should be the same size at the diameter of the bolt that is to be fitted into the hole.

What are “contractual clauses”?

Terms and conditions of work employment with the ship owner

Details of amount of time allowed for shore leave

Terms relating to the amount of food and water allowed per person on board

Part ALC 1d of the crew agreement, giving details of specific terms and conditions for seafarers

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?

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

Bring a flashlight and put on safety shoes

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

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

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

Thin steel shells with a thin white metal lining.

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

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

Thin steel shells lined with aluminium tin alloys.

An important quantity which is useful in circuit analysis is known as conductance G (Siemens). Which of the formulas A to D expresses the conductance for this circuit?

G = R * V

G = 2 R

G = 1 / R

G = I / R

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.

What should you do in case of any fire breaks out?

Alert the bridge, Rescue human life, Extinguish if possible by use of available fire fighting-fighting appliances, Secure the area/ damage control

Call FIRE-FIRE-FIRE

Fight the fire and report to the bridge when you have extinguished it

Ask passengers to assist you with fire-fighting

On a Container vessel, against what do explosives need protection?

Corrosives

Lightning strikes

Toxic gases

Other categories of explosives

Gas tankers are often fitted with fixed water spray system for fire protection purposes for deck areas, deck tanks, deck manifolds and pipelines. What is the minimum required flow rate of water per minute for horizontal and vertical surfaces to ensure adequate, uniform coverage of these areas?

100 litre/m2 per minute for horizontal surfaces and 50 litre/m2 per minute for vertical surfaces.

20 litre/m2 per minute for horizontal surfaces and 10 litre/m2 per minute for vertical surfaces.

10 litre/m2 per minute for horizontal surfaces and 4 litre/m2 per minute for vertical surfaces.

50 litre/m2 per minute for horizontal surfaces and 25 litre/m2 per minute for vertical surfaces.

How can water hammer be avoided when operating the valves and pumps in a cooling water system?

Operate valves quickly

Start the pump with open valves

Operate valves slowly

Start pump with closed valves

What is the meaning of the expression MARVS?

The meaning of MARVS is Maximum Actual Relief Valve Setting

The meaning of MARVS is Maximum Allowable Relief Valve Setting

The meaning of MARVS is Maximum Automatic Relief Valve Setting

The meaning of MARVS is Minimum Allowable Relief Valve Setting

Which of the following should be available alongside the hand-washing facilities in the galley?

A bacterial liquid soap dispenser.

A mirror.

A light with a waterproof switch or pull chord.

A re-usable cotton towel on a rack.

Where do you load dangerous goods?

Dangerous goods shall only be loaded in designated ares on the ro-ro deck

The driver of a tank lorry can decide where to park the vehicle

The officer in charge of loading can decide where to load dangerous goods if the number of vehicles and passengers are limited

As long as the ship is certified to carry dangerous goods there are no restrictions

What do you understand by: Let go the port anchor?

Let go the port anchor means: slacken the port anchor cable

Let go the port anchor means: put the port windlass brake in gear

Let go the port anchor means: open the port windlass brake

Let go the port anchor means: put the port windlass brake in gear and lower the anchor

In an inert gas system audible and visible alarms shall be provided to indicate faulty conditions in the installation. Which of the following conditions do not activate the alarms? (SOLAS II-2/62.19.1)

High air pressure in water seal

High water level in the flue gas scrubber

High gas pressure

High gas temperature

What is the principal ingredient in Risotto?

Pasta.

Seafood.

Rice.

Green vegetables.

Which regulations require supervising the embarkation of persons on board ro-ro vessels?

The Safety Of Life At Sea (SOLAS) Convention

International Labour Organization (ILO) standards

Standards of Training Certification and Watch-keeping (STCW) Code

The International Ship and Port Facility Security (ISPS) Code

What is an unsaturated hydrocarbon?

Unsaturated hydrocarbons are colourless and odourless liquids and they are chemically reactive

Unsaturated hydrocarbons are colourless liquids with a sweetish odour, they are chemically non-reactive and have to be carried under high pressure

Unsaturated hydrocarbons are colourless and odourless liquids and they are chemically non-reactive

Unsaturated hydrocarbons are colourless liquids with a sweetish odour and they are chemically reactive

When is the Officer of the Watch officially relieved of his responsibilities of being in charge of the watch?

The Officer of the Watch remains in charge of the watch for the full watch, when the vessel is deep sea

The Master and the Officer of the Watch share the responsibility when they are both on the bridge together.

When the Master informs the Officer of the Watch that he is taking over the "con" (watch responsibilities)

When the Master enters the bridge

Some liquefied gas carriers are fitted with cascade type direct cooling plants to meet cargo vapour reliquefaction requirements. What is the cargo vapour normally condensed against in a cascade type cooling plant?

Fresh water.

A commercial refrigerant gas.

Sea water.

Butane.

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

Oil analysis results show a high level of tin. What could be the cause of this?

Water contamination.

Fuel contamination.

Bearing damage.

Too high lub.oil temperature.

This circuit consists of two capacitors, C(1) = 6 µF and C(2) = 12 µF, in series. Calculate the equivalent C(S) of the two capacitors.

C(S) = 2 µF

C(S) =18 µF

C(S) =1,5 µF

C(S) = 4 µF

Which of the following fresh fruits should be used first?

Pears

Apples

Grapes

Oranges

Which of the following is the purpose behind holding a pre-cargo transfer meeting before discharging a number of chemical grades?

To enable the master to confirm that ship's personnel have been advised of the cargo operation requirements on the Vessel Particular Questionnaire mailed to the ship's agent prior to arrival in port.

To ensure that all personnel involved are aware of the details of the proposed cargo operation, the services required and the safety considerations.

To establish tank readiness and the status of any other pre-operation preparations in order for the master to be able to confirm a time of arrival.

To ensure that the responsibility for all items on the Ship/Shore Safety Checklist is assigned and understood before the vessel arrives alongside.

During overhaul of a purifier the engine room rating is instructed to drain and clean the gearbox on the machine. Which of the materials given in the options is the best one for wiping up the remaining oil in the gearbox after draining the oil?

Clean, lint free cotton rags.

Used paper towels from the wash room.

Used dish cloths from the galley.

Clean cotton waste.

What is normally seen as the greatest risk when operating a high pressure, water tube, steam boiler with an excessively high level of Total Dissolved Solids?

Pitting corrosion at the water level in the boiler water drum.

General corrosion of boiler tubes and fittings

Hard scale deposits on boiler tubes and fittings

Foaming and carryover of water into the steam range.

What action should be taken if the boiler water tests show that the pH-value in the boiler water is slightly over 11.5?

Blowdown the boiler and Increase the dosage of boiler water treatment chemicals.

No action is required this is the normal level.

Raise the boiler water level above normal to dilute the contents.

Blowdown the boiler and decrease the dosage of boiler water treatment chemicals.

How often is the performance check of a Voyage Data Recorder by a competent person required under SOLAS?

At the Intermediate Safety Equipment Survey.

When the battery is replaced.

Annually.

When the data media is downloaded.

Who is responsible for implementation of working environment work on board?

Government.

Master.

Shipping company.

Both master and shipping company.

How can you avoid and/or reduce potential panic among passengers, if an emergency situation occurs?

Checking that all crew and passenger are present

Inform passengers at frequent intervals over the public announcement system about the situation and how they shall act. Use as many of the ships officers and crew among the passengers to assist.

Do not inform passengers about the situation. It will only create panic and make it difficult for the crew to handle the situation.

Inform the passengers, that there is nothing to worry about, to keep them calm.

A large post Panamax container vessel is sailing during the winter months. In which sea areas is she most likely to encounter conditions which could cause a parametric roll?

The North Pacific.

The South China Sea.

The Indian Ocean.

The North Sea.

After discharge of a bulk cargo by grabs, tank tops and lower hopper side plating must be checked for ?

Rusting

Damage and possible leaks

Paint coating loss

Cargo residues

When a submerged centrifugal cargo pump is being run at too high a speed during discharge of a viscous cargo, the pump may start racing, causing a heat build-up around the suction, possible localised solidification of the cargo and consequent damage to the pump. What term is applied to this problem?

Synthesis.

Cavitation.

Aggregation.

Gravitation.

What Class notation denotes an oil tanker, combination carrier, chemical tanker, bulk carrier or ore carrier considered suitable for sea-going service, built or accepted into class in accordance with the society's rules and regulations, maintained in good and efficient condition, having on board anchoring and mooring equipment in accordance with the rules and subject to an enhanced survey programme?

300A1ESP.

100A1ESP.

100A1IWS.

100N.

Is it permitted to load fully refrigerated propane directly onto a fully pressurised LPG carrier without additional conditioning of the cargo or cargo spaces?

Only if the loading rate is kept below 100m3/h.

Only if the cargo containment system is designed for temperatures of minus 48 degrees C or less.

Fully refrigerated propane can be loaded directly onto this type of vessel under any circumstances

Only if the vessel is equipped with cargo cooling plant

What is the main difference of deep well and submerged pumps?

The main difference is that deep well pumps are driven by hydraulic motor and submerged pumps are driven by electric motor

The main difference is that deep well pumps are more expensive than submerged pumps

The main difference is that deep well pumps are more easy to maintain than the submerged pumps

The main difference is that deep well pumps are connected to the motor with a long shaft and submerged pumps have both pump and motor submerged down in the tank

Select, from the options given, the best method to be used for cleaning a cargo space on a conventional reefer vessel into which the cargo to be loaded is the same as the previous cargo carried.

A quick blow through on the top of the deck gratings with compressed air.

Sweep clean the top of the hatch gratings and lift the gratings to sweep clean below them.

A quick blow through on top of and below the deck gratings with compressed air.

A complete wash down of the cargo space with a suitable cleaning agent.

What does the term "Dead Ship" mean?

"Dead Ship" means that the ship cannot make way through the water

"Dead Ship" means that the ship is aground

"Dead Ship" means that auxiliary machinery is not operational

"Dead Ship" means that the machinery and boilers are inoperational due to lack of electrical power

When loading coal on a Bulk Carrier, what should the ship be provided with?

Ramneck tape

Means for drawing cargo samples

A glass hydrometer

Means for measuring cargo temperatures

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

The hydrate formation.

The boiling point, chemical bindings, toxicity and flammability.

The nitrogen and other hydrocarbon containment.

The gas pressure.

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

Air draught is given by A on the figure

Air draught is given by D on the figure

Air draught is given by C on the figure

Air draught is given by B on the figure

You are on a tug and are towing an unmanned barge. You are restricted in your ability to manoeuvre. The total length of the tow is 219 metres. What daylight signals are required by the International Regulations for Preventing Collisions at Sea?

A diamond shape, where it can best be seen, on the tug only. Three shapes shall also be displayed, being three balls in a vertical line.

Three shapes shall be displayed on the tug, where they can best be seen, in a vertical line, the upper and lower being balls and the middle one a cylinder. The signal flag "T" shall also be flown on the tug. A diamond shall be displayed aft on the tow.

Three shapes shall be displayed forward on the tug, in a vertical line, the upper and lower being balls and the middle one a diamond.

A diamond shape, where it can best be seen shall be displayed on the tug and the tow. Three shapes shall also be displayed in a vertical line, the upper and lower being balls and the middle one a diamond. Diamond shape

On a Container vessel, when can twistlocks be used to lift containers?

When they are semi-automatic

When they are fully automatic

Only if they have been approved and certified for this purpose

When they are of the mid-lock design

Which of these statements about profiling is correct?

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

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

Use only open-ended questions.

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

What is the purpose of a Bridge Fitting?

To link the top containers of adjacent stacks