Maison Tests en ligne Oil tanker MASTER / Ch-Officer Test online CES 5.1 for MASTER / Ch-Officer, Oil tanker vessel

Tests en ligne : Test online CES 5.1 for MASTER / Ch-Officer, Oil tanker vessel

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Question 1 depuis 90

What is the name given to a devastating explosion that may occur when a rigid container containing a liquefied gas is exposed to a very high *temperature?

SLOP-OVER

BLEVE

FLASH-OVER

BOIL-OVER

What is/are the area(s) of the vessel which present a greater risk of fire?

Bridge.

Accommodations.

Deck.

Cargo holds and engine rooms

A self contained Breathing Apparatus should contain at least 1200 litres of air. How long should this last a normal person who is not carrying out hard work?

30 minutes

15 minutes

60 minutes

45 minutes

*For how long should the self contained air support system on a totally enclosed lifeboat having its engine running be capable of providing safe and breathable air ?

5 minutes

10 minutes

20 minutes

30 minutes

*For how long does the fixed system of foam guarantee the application of foam on the deck of an oil tanker?

40 minutes in any case

20 minutes if there is inert gas; 30 minutes if there is not

1hour 20 minutes if there is inert gas; 1 hour 30 minutes if there is not

30 minutes in any case

*Which of the following hose lengths corresponds best to the most common ones found onboard?

30 m

5 M

10 m

20 m

In case of a fire on the line in an oxyacetylene-line gas welding equipment, what action should be taken?

Close the valves on both bottles, first the acetylene and then the oxygen bottle

Do not close any valve and attack the fire, preferably with powder

Close the valve(s) on the acetylene bottle only

Close the valve(s) on the oxygen bottle only

Via Inmarsat-C a message is sent to an Inmarsat-C mailbox with a positive delivery notification (PDN). The groundstation will:

send a PDN, if the message has arrived in the mailbox

send no PDN’s with messages intended for the mailbox

Don't know

send a PDN, as soon as the message is collected from the mailbox

You have an important navigational or meteorological message to transmit. What call should proceed this message when made on the radio telephone?

Securite Securite (3 times)

Pan Pan (3 times)

Victor Victor (3 times)

Mayday Mayday (3 times)

What should be applicable to tank cleaning operations by means of circulation products with low flash products (below 60° C) ?

It can be done without problems.

It can be done on stainless steel tanks only and if the tank cleaning hoses are grounded.

It can be done if the tankcleaning hoses are grounded.

It should be avoided, unless the tank atmosphere is inerted.

In US waters "Oil Pollution Act of 1990" was activated in August 1993. What is the main issue for the introduction of the act?

To prevent oil spills in US waters?

To enforce owners to use equipment of higher standards that those of today?

To encourage owners to build double hull vessels for trading US waters?

To improve safety measures onboard?

Are there any exceptions from OPA-90

No exceptions

Yes, transit passage through US waters to a non US port

Yes, if the vessel calls a US port for only a short stop

Yes, close to any US naval base

Chemical burns in eyes or on the skin can cause severe damage. Some chemicals may be absorbed through the skin and cause widespread and sometimes fatal damage within the body. What is the first main treatment if someone is a victim of chemical burns?

Break possible blisters around the eye and mouth.

Apply lotions, ointments to the affected area ASAP.

The casualty may be free to both rub the eye and the affected area.

Remove any contaminated clothing and flood the affected area with slowly running water. Make sure that the contaminated water drains away freely and safely.

Small oil spills on deck can be kept from going overboard by doing what?

Plugging the scuppers

Closing the lids on the vents

Plugging the sounding pipes

Driving wooden plugs into the vents

After the start of a man overboard manoeuvre, whom shall be informed?

Chief Officer

Electrician

Engine Room

Galley

You are duty officer on the bridge. A person is reported missing. Which of the following actions are to be considered as the correct manoeuvre in this situation?

Scharnow Turn

Williamson Turn

Direct Turn

Evinrude Turn

Who is authorized to prescribe use of locomotives and canal deck-hands during transit of the Panama Canal?

The Cristobal or Balboa harbour masters respectively.

The master.

The Canal authorities.

The pilot.

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

On which frequency a ship must maintain a continuous watch when sailing in area A2?

2182 kHz

8414.5 kHz

2187,5 kHz

4207.5 kHz

Which of the following is the correct minimum carriage requirement for a ship of more than 300 gross tons and operating in area A:

1MF RT + DSC+ DSC watch receiver – 1 or 2 SART – 1 NAVTEX or 1 EGC receiver – 2 or 3 VHF portable – 1 EPIRB

1VHF RT + DSC+ DSC watch receiver – 1 or 2 SART – 1 NAVTEX or 1 EGC receiver – 2 or 3 VHF portable – 1 EPIRB – 1 MF RT + DSC+ DSC watch receiver

1VHF RT + DSC+ DSC watch receiver – 1 NAVTEX or 1 EGC receiver – 2 or 3 VHF portable – 1 EPIRB – 1 MF RT + DSC+ DSC watch receiver

1VHF RT + DSC+ DSC watch receiver – 1 or 2 SART – 1 NAVTEX or 1 EGC receiver – 1 INMARSAT A,B or C – 1 EPIRB – 1 MF RT + DSC+ DSC watch receiver

The command of radio communication with inter-ship traffic is with:

Don't know

the calling station

the station being called

the biggest ship

VHF channel 6 is:

Intra-ship channel

Don't know

Public traffic channel

Inter-ship channel

A VHF transmission range is mainly determined by:

whether it is radio-telephony, radio-telex or DSC

the height of the aerial

the transmission power, propagation and the quality of the receiver

Don't know

The mode J2B is used:

For radiotelex-traffic in the MF/HF band between the ship and shore stations

For telephone traffic in the MF/HF bands between ship and shore stations

In public broadcasting

For urgent message transmitting and receiving

Which class of emission is used for VHF DSC transmissions ?

F3E

G3E

F1B

H3E

An inflatable lifejacket has:

1compartment automatically inflatable and 1 compartment manually inflatable

2 separate compartments

1compartment

3 separate compartments

A lifejacket must not sustain burning or continue melting after being totally enveloped in a fire for a period of:

20 sec

10 sec

2 sec

1mn

How many 'thermal protective aids' are required to be carried on vessels with open lifeboats?

They are not required, providing the boat has a canvas canopy which can be rigged in cold weather

Each lifeboat should carry the same number of thermal protective aids as the number of persons it is designed to carry

10 in each lifeboat

One for each person on board who is not provided with an immersion suit

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

a survival manual

an efficient radar reflector

one daylight signalling mirror with instructions

four rocket parachute flares

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

an EPIRB

sea-charts and navigating equipment

two hatchets

one life-jacket for each person

Every inflatable liferaft , inflatable lifejacket and hydrostatic release units shall be serviced:

Every 24 months.

Every 18 months.

Every 36 months.

Every 12 months.

An inflatable liferaft accommodating 12 persons is fitted with:

2 entrances among which one is fitted with a semi-rigid boarding ramp

2 entrances each being fitted with a boarding ladder

2 entrances each being fitted with a semi-rigid boarding ramp

1entrance fitted with a semi-rigid boarding ramp

In the case when the temperature of the ambient air is equal to 10°C and the wind is blowing at a speed of 10m/sec the shipwrecked person must consider that the effect of air on his body is equivalent to that of an air whose temperature would be approximately:

+10°C

+20°C

0°C

-10°C

A ship is fitted with davit launched liferafts. How often should onboard training take place, including, when practicable, the inflation and lowering of a liferaft?

Every year

Every four months

Every three months

Every month

If making a new pilot ladder onboard, which of the following ropes would you use in its construction as side ropes on which the steps are fastened?

Uncovered manila rope.

Polyester rope.

Polypropylene rope.

Nylon rope.

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 main responsibility of a bridge lookout at night?

Inform the bridge of any new lights when they appear over the horizon or any other items observed which may affect the ship

Inform bridge of changing weather patterns

Inform bridge of any lights when they appear over the horizon

Inform bridge of any other ships observed, which appear to be getting closer to your own ship

A bulk cargo vessel is found to be 4.0 centimetres over her maximum loadline draft after loading; what should be the actions of the master?

Record a lower draught and sail

There is not a problem as over loading is permitted

Order the pumping out of fresh water or ballast until the maximum allowed loadline is achieved.

Inform the port authorities and sail

In which of the following areas of the holds of a bulk carrier is cargo residue unlikely to be concealed?

Recesses below manhole covers

Upper sections of ship's frames

Bilges

Bulkhead corrugations

What are the required data inputs into most gyro compasses to reduce any possible compass error?

All of the data in the suggested answers

Latitude and Speed

Maximum helm angle and rolling period

Deviation and Variation

Ethylene is normally carried on fully refrigerated liquefied gas carriers at its atmospheric boiling point. What is the approximate atmospheric boiling point of ethylene?

Minus 162 degrees C

Minus 48 degrees C

Minus 104 degrees C

Minus 10 degrees C

Boiler water tests on a low pressure steam boiler show the chloride content to be 50 ppm. What action should be taken if any?

Blow down the boiler and reduce the dosage of treatment chemicals.

Shut down the boiler and drain the water out before filling with fresh feed water.

No action is necessary.

Increase the dosage of treatment chemicals.dosage.

On a General Cargo Vessel, what must be done if a crane or derrick block sheave is found to be worn?

No action needs to be taken

Inform Chief Officer and prepare to change block if required

Block changed at next thorough inspection

Monitor condition of block regularly

Which of the following food types or food components listed below is considered to be dangerous to health if consumed on a regular basis?

Soft fruit.

Root vegetables.

Moderate volumes of fibre.

High levels of sodium.

On a RoRo vessel, what must be considered when planning the loading of ro-ro cargoes on ramps?

SWL and loading limit of the ramp and Minimum clearances for the operation of ramp doors

The extent of lashings due to the ramp slope

Cargo volumes

On a Container vessel, what is the purpose of fixed stacking cones?

To prevent the horizontal movement of 40'containers at tank top level

To prevent horizontal movement of 20'containers in 40' cell guides

To prevent movement of 20'and 40' containers at deck level

To prevent the horizontal movement of 20'containers at tank top level

Semi-pressurised liquefied gas carriers are often fitted with direct, single stage reliquefaction plants for cooling the cargo and dealing with boil off vapours. What cooling medium is usually used in the condenser to condense the cargo vapours for this type of system?

Fresh water.

Sea water.

Refrigerant gas.

Air.

What should the master know prior to loading iron ore?

The maximum angle of heel under normal sea-going conditions

The virtual loss of GM en route

The maximum righting lever

The maximum angle of heel that will be caused by a shift of cargo

What will be the probably outcome if the amplification is set to high on the controller

Nothing

The process response will be very slow

The process will oscillate and get out of control

The set-point will change

Which part of the crankshaft of a modern large two stroke diesel engine is most likely to be the origin point for crack initiation during service and therefore needs the greatest attention during maintenance inspection?

The oil holes.

The keyways.

The fillet radii.

The dowel pins and dowel holes

Is there any requirements regarding crew’s language skills?

All crew working directly with passengers must be able to communicate on the language spoken by the majority of the passenger and english.

All crew working directly with passengers must be able to communicate on the language spoken by the majority of the passenger.

Yes, all crew must be able to communicate on the language spoken by the majority of the passengers, or demands set by the company.

All crew must be able to speak english

What is the minimum number of relief valves to be fitted to any cargo tank of greater than 20 cubic metres capacity?

Minimum two pressure relief valves in addition to MARVS.

At least two pressure relief valves.

Minimum one pressure relief valves.

The required number of pressure relief valves is dependent on the pressure.

This circuit consists of a voltage source V, a change-over switch S, a resistor R and an inductor L. The voltage/time figures 1 to 4 show possible changes in the voltage V(L) in case the switch S is suddenly shifted from position 1 to 2 at time t = 0. Only one of the diagrams is correct. Which?

Figure 4

Figure 2

Figure 3

Figure 1

Which of the following voltage levels would be regarded as high voltage likely to be found on a ship?

660kV

220V

6.6kV

690V

The seating surface of a superheater handhole door on a boiler has been damaged due to leakage of superheated steam leaving a cut across the surface. Which repair method, from the options given, would be the most effective?

Machine the surface until the cut has been removed and a new full seating area is formed.

Fit a more pliable gasket to take up the irregularities in the surface.

Build up the cut with weld and re-machine the seat.

Fill the cut with plastic metal and file smooth.

When are power-operated watertight sliding doors (class 3 doors) compulsory for all watertight doors aboard passenger ships?

Where the ship is fitted with through-going car decks

Where one or more doors are situated below deepest load line

When the ship is certified for more than 150 passengers

Where the ship has passenger spaces below the bulkhead deck

How frequently should the PA-system (Public Address) be tested?

Every day

Every year

Every second year

Every week

Who must sign (and countersign) entries in a Cargo Record Book which documents cargo and cleaning operations on a chemical tanker?

Each completed operation shall be signed for and dated by the officer or officers in charge and, if applicable, by a surveyor appointed by the competent authority of the State in which the ship is unloading. Each completed page shall be countersigned by the master of the ship.

Each completed operation shall ner signed for and dated by the Officer or Officers of the Watch on which the operation took place. Each completed page shall be countersigned by the chief officer or the master of the ship.

Each operation shall be signed and dated by the officer or officers in charge and countersigned by the master of the ship. An entry and stamp shall be entered by the Responsible Person from the vessel's Management Office upon periodic inspection.

Each completed operation shall be signed for and dated by the pumpman or pumpmen instructed to carry out the task and countersigned by the officer in charge. A surveyor or superintendent may additionally sign to indicate that he has witnessed a particular operation.

What must be ensured at the commencement of cargo operations?

That the draught survey has been completed

That all fire dampers are closed

That all fire dampers are open

That CO2 gas lines to each cargo hold are clear

What is the function of the ESD on a gas carrier?

The function of the ESD is to close loading valves, switch of power to cargo compressors and pumps

The function of the ESD is to start cargo compressors or pumps

The function of the ESD is to close loading valves, switch of power to cargo compressors

The function of the ESD is to switch of power to cargo compressors and pumps

What is the meaning of the term "Make Fast", when mooring the ship?

Make Fast means to coil up a rope

Make Fast means to avoid eating all meals during the daylight hours.

Make Fast means to act very quickly

Make Fast means secure the ropes to the bits

How is a steel locking coil lashed?

By metal banding passing over it and through each of the cores of the two coils on which it rests

By metal banding passing over its top in a figure-of-eight and through each of the cores of the two coils on which it rests

By metal banding passing over it across the entire hold

By metal banding passing through its core and through each of the cores of the two coils on which it rests

On a Container vessel, what should a crew member do if a tank container on deck is found with a leaking valve?

Close the leaking valve

Wash away the leaking contents immediately

Raise an alarm

Report it immediately to the duty officer

To evaluate the condition of a heat exchanger the following measurements should be recorded:

In and outlet temperatures on one media

In and outlet temperatures, and flow rates for both media

In and outlet temperatures for both media

Pressure drop

The densities of most hydrocarbon gas mixtures which evolve from normal petroleum products are greater than the density of air. What would be the approximate relative density of a mixture of 50% by volume of air and propane relative to 100% air?

1.8

1.25

2.0

1.55

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

"…a ship… …intended to transport products with appreciably severe environmental and safety hazards which require significant preventative measures to preclude escape of such cargo. Usually the ship is of double-hull construction, with a variety of tank sizes / capacities." What is this the definition of?

A chemical tanker for the purposes of the 1996 IMO directive MEPC/2.12 circ. on "Mandatory Reporting Requirements for Ships Carrying Dangerous or Polluting Goods".

A type I chemical tanker as per the IBC Code.

A type II chemical tanker, as per the IBC Code.

A parcel chemical tanker as per the IACS Construction Regulations.

What is a system employing a single common freshwater cooler (cooled by means of seawater) called?

High temperature freshwater system

Central cooling system

Common cooling system

Low temperature freshwater system

Why are many machinery components onboard ship now tightened using cylindrical jacks and hydraulic oil pressure rather than more traditional methods such as, for example, the use of torque wrenches?

Hydraulic tightening avoids the risk of unwanted bending stresses when compared to other methods.

Hydraulic tightening of fastenings is always more accurate than any other method.

It is easier to slacken off component fastenings that have been tightened hydraulically when maintenance is due.

It is possible to get the component fastenings tighter using hydraulic equipment than by using other methods.

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

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

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

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

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

Which of the following fresh fruits should be used first?

Pears

Apples

Grapes

Oranges

A consequence of operating a centrifugal pump with the discharge valve closed would be:

Relief valve will open

Pump will overheat

Motor will overheat

Motor overload will open

Which is the most important factor in the safety awareness of the ships crew?

The safety awareness of the senior officers

The level of emergency-preparedness

The quality of emergency drills

The shipboard training provided

Which of the following statements is generally true in relation to inert gas systems for LNG carriers?

Most LNG carriers use the boiler exhaust as the main source of inert gas for cargo spaces as well as interbarrier and hold spaces.

Most LNG carriers have Nitrogen generators capable of providing all of the inert gas requirements for cargo spaces as well as interbarrier and hold spaces.

Most LNG carriers have a combustion type inert gas generator for the cargo tanks and a Nitrogen supply or generator for interbarrier and hold spaces.

Most LNG carriers do not have inert gas facilities fitted onboard and rely on shoreside installations to provide inert gas as required.

A cargo of frozen tuna is being loaded onto a conventional reefer vessel. Without using a pulp thermometer, which of the given options would give an indication that the fish was in good condition.

The surface of the fish would feel hard to the touch.

The fish would sound solid and make a thump sound when dropped.

The surface of the fish would feel cold to the touch.

The fish would sound like wood when dropped or tapped with a hammer.

When carrying fishmeal without anti-oxidant which of the following stowage patterns is recommended under the IMDG Code?

The block stow with extensive internal channelling

The double strip stow with extensive athwartships channelling

The block stow with no internal channelling

The compact stow with limited channelling

What is Inert gas ?

It is a gas containing insufficient oxygen to support combustion of hydrocarbons

It is a gas containing only nitrogen

It is a gas containing less than 21 % by volume oxygen

It is a gas containing no oxygen

What are the duties of the watch-keeping engineer?

The duties of the watch-keeping engineer are to keep constant surveillance of machinery and auxiliary systems and to inspection the steering gear at least once a watch

The duties of the watch-keeping engineer are to maintain the required ship's speed

The duties of the watch-keeping engineer are to ensure that the machinery spaces are properly manned

The duties of the watch-keeping engineer are to keep constant surveillance of the steering gear and hydraulic system

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

Check the clearance in the bearings.

Increase the flow of cooling water.

Overhaul the compressor unit.

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

What is very important to monitor when distributing cargo?

Only bending moments

You should always ensure the ship has sufficient stabilty at all times. Cargo shall preferably be distributed evenly to avoid heavy list/ trim

Shear forces and bending moments

Only shear forces

A plate type heat exchanger in a central cooling system has seawater leaking around the edges of some of the titanium plates. After inspection and reassembly following the manufacturer's instructions the problem still exists. What action, from the options given, should be taken to rectify the problem?

Fit new gaskets to the each of the plates.

Keep tightening the plate stack until the leakage stops.

Reduce the pressure of the sea water.

Scrap the plates and replace with a new plate stack.

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

Which of the following is considered to be the most efficient method of testing the weather tightness of hatch covers during a pre-loading survey of a General Cargo Vessel?

Hose test

Visual inspection

Ultra sonic test

Chalk test

In which situation might you have to use non-verbal communication with passengers?

There is an explosion in the cargo hold.

You are outside in a severe storm.

The ship's electrical system has failed.

The ship's communication system is not working.

What is associated with carrying logs on General Cargo vessels?

Moisture absorption in the cargo holds

Increased levels of oxygen in the cargo holds

Spontaneous combustion

Oxygen depletion in the cargo holds

When acting as helmsman would you expect the reading of the gyro compass to be the same as the magnetic compass?

They would always be the same

They would always be within 1 or 2 degrees of each other

They would never be the same

Very seldom would they be the same

What does wet washing mean?

The oil is too «wet» to use for crude oil washing.

Start the wet crude on washing on a dry bottom.

The bottom washing starts whilst there is still a small amount of cargo in the tank.

Dry top washing and wet bottom washing.

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

The illumination in launching areas

The use of escape routes and other escape methods

The use of surface to air visual signals to be used by survivors

The use of navigational equipment for survival crafts

In what kind of atmosphere should tank washing be carried out when no inert gas plant is in operation?

After having send a man down in the tank to check that there is no more oil left.

After having aired the tank for at least 24 hours

Ventilate the tank up to 21% oxygen.

Too lean ( less than 2% by volume of hydrocarbons) or over rich ( in excess of 15% by volume of hydrocarbons ).

Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.