Главная Онлайн-тесты CES Chemical tanker Deck Support Онлайн-тест CES 5.1 для Deck department, Support level, Chemical tanker vessel

Онлайн-тестирование: Онлайн-тест CES 5.1 для Deck department, Support level, Chemical tanker vessel

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Вопрос 1 из 90

*In which one of the following an oil, the flash point of which only needs to be over 43°C, may be used?

In the kitchen

In the main engine

In emergency generators

In inert gas generators

With an increase in temperature the volume of flammable and combustible liquids :

Remains constant

Contracts

Remains constant if pressure remains constant

Expands

Why are you only allowed to load maximum 98% of the tank capacity?

It is company policy.

Danger to vessel stability and strength.

Due to temperature expansion.

Danger of overloading.

Who should be informed first when receiving a distress signal from another ship/vessel?

Associated Press

AMVER

Your own company

The nearest coastal radio station

In the situation illustrated, what should be the distribution of the power requirements from the tugs, if the ship is to be moved sideways without changing the heading? Both tugs have similar bollard pull and are of conventional propulsion.

Much greater power on the forward tug than on the after tug while monitoring the gyro heading

Equal power required by both tugs, but monitor the gyro heading to ensure sideward movement only

It would be very difficult to predict the power requirements in this circumstance and it could only be found by observation.

Much greater power on the aft tug than on the forward tug while monitoring the gyro heading.

What is the correct understanding of the term "bank effect"? If a ship was approaching the bank at an angle, what would be the effect on the ship?

The vessel's stern is pushed away from the bank

The vessel’s bow is attracted by the bank.

The whole vessel would continue straight towards the bank and would require a large helm order to avoid going aground.

The vessel's bow is pushed away from the bank

While navigating using a paper chart marked WGS84 the OOW plots the ships position by four different methods and they all give slightly different positions. Which of the following would be considered the most accurate.

Radar ranges from two radar destinctive headlands

GPS set on WGS84 datum

Bearing and distance from a navigation buoy close to the vessel

Gyro compass bearings from two lighthouses

When mustered to an abandon ship drill, what is the first thing you do when entering the muster station?

Wait for the order to put on your life jacket

Pick up a life jacket

Wait for orders

Report your presence

When there is doubt about the freshness of the atmosphere in enclosed or confined spaces, what action should be taken?

Ro-ro decks are always ventilated in advance of an operation

Open both bow- and stern doors

Arrangements should be made for testing of the atmosphere to ensure maintenance of 21% oxygen and a carbon monoxide content below 50 ppm in the atmosphere of the space

Supply filter masks to all crew working on ro-ro deck

What is understood by the term "take the helm"?

Change the place where the lookout is standing.

Take over heaving of a rope.

Take over the steering of the ship.

Take a message to another officer.

According to 33 CFR 156, oil tankers trading in US waters are required to test and document the testing of cargo transfer hoses and transfer pipe system. What is the minimum requirement when testing these components?

That no leakage occurs under static liquid pressure of at least 1.25 times the maximum allowable working pressure.

That no leakage occurs at the nominal anticipated working pressure.

That no leakage occurs under dynamic fluid pressure of less than 1.5 times the maximum allowable working pressure.

That no leakage occurs under static liquid pressure of at least 1.5 times the maximum allowable working pressure.

What is the requirement with regard to Familiarisation on board?

Seafarers, on being assigned to any ship, shall be familiarized with their specific duties and with all ship arrangements, installations, equipment, procedures and ship characteristics that are relevant to their routine or emergency duties.

Seafarers shall be familiarized with all life saving appliances and emergency exits in case any emergency situation occurs. It takes normally an hour to complete the Safety Familiarisation. The safety Officer is responsible.

Seafarers on board passenger vessels must as soon as possible learn the names of all persons working in the same department in order to ensure efficient daily operation.

During the first tenure, seafarers are responsible for asking at least a 100 questions to the Safety Officer.

Why is it necessary to have an effective ballast water management plan which includes provision for changing out ballast in open water rather than discharging ballast in coastal waters?

To allow ballast tank inspections to be carried out during ballast passage.

To keep the ballast water fresh in the ballast tanks during long voyages.

To avoid the introduction of non-indigenous species of marine life from one area to another.

To ensure that ballast tanks are always pressed up during a ballast voyage to avoid free surface effects.

What nominal filling restriction exists under the IBC Code for a single tank on a type 3 chemical tanker? (Not counting structural, capacity or cargo specific limitations).

3000 cubic metres.

1750 cubic metres.

There is no filling restriction for a type 3 chemical tanker.

1250 cubic metres.

When the temperature of lubricating oil is lowered, an increase will occur in the:

Concentration of contaminants.

Viscosity.

Pour point.

Flash point.

On a RoRo vessel, which of the following is not required in the pre-stowage plan?

Checking communications equipment

Assigning crew duties

The operation of gas-tight and watertight doors

Stowage and securing of specialised cargoes

Which of these is correct?

1tonne = 1000 kg

1tonne = 10 kg

1tonne = 100 kg

1tonne = 10,000 kg

On a RoRo vessel, what standing instruction should be given to protect the Ramps when loading ro-ro units?

Damaged units should be rejected for loading

All ro-ro units must be thoroughly checked for damage prior to the loading ramp

Units whose weights exceed the ramp load density/SWL must not be loaded

On a Container vessel, how should the first tier of under-deck containers be loaded onto a non cellular vessel?

Onto dunnage laid athwartships over the tank top

Directly onto the tank top

Onto dunnage laid directly under the containers' bottom rails

Onto dunnage laid fore and aft over the tank top

Shortly after starting up a fuel oil purifier oil is seen to be trickling out of the sludge outlet. Which of the options given is the most likely cause of this problem?

Incorrect gravity disc fitted.

Insufficient seal water supplied during start up.

Damaged bowl seal.

Excessive back pressure in the clean oil outlet.

What number is being shown by this flag hoist?

2202

1101

2121

1100

What does the term 'cold spotting' refer to in relation to LNG cargo carriage?

Using a sub cooled layer of LNG at the liquid surface to help minimise cargo losses.

Visually checking the inner hull during the loaded passage to detect leakage.

Using the low duty compressor to supply cold LNG to the secondary barrier.

Monitoring tank pressure carefully during loaded passage.

What is polymerisation?

Polymerisation is when molecules of two or more different units link together and a new unit is created.

Polymerisation is when we producing paint.

Polymerisation is when molecules split up from each other and new units are created.

Polymerisation is when molecules of a particular compound link together into a larger unit containing from two to thousands of molecules.

What general background colour is used on warning signs which require a specific "mandatory" action, such as one which might require the wearing of a safety harness during a particular work task?

Blue.

Red.

Yellow.

Green.

What differential pressure would be acceptable as a normal value across a lubricating oil filter for a diesel engine?

3.0 Bar

Zero

0.2 Bar

1.2 Bar

Which of the following alternatives are recommended when decanting water overboard from the sloptank?

Maintain a speed of at least 12 knots when pumping overboard

Leave a "cushion"of water in the sloptank, to minimize the risk of polluting the sea

Using dispersing chemicals in the sloptank

Discharge under the waterline to avoid any sheen on the surface

A spare cylinder head for the generator needs to be lifted from its storage cradle to the generator flat. Because of its location the engine room crane cannot be positioned directly above it. What method should be used to bring the cylinder head into position?

Attach the crane hook to the lifting gear for the cylinder head and drag it across the deck until it is directly under the crane.

Use crow bars to lever the cylinder cover across the deck until it is in position below the crane.

Use a block and tackle to drag the head across to a position beneath the crane.

Rig chain blocks to lift the cylinder head from its cradle and then transfer it gradually over to the crane hook by working the chain blocks.

When you are calibrating an instrument what is the most common second step in the procedure (consult the manual)

Adjustment of span

justment of Zero-point

Adjustment of range

Check linearity

When cargo discharge reaches stripping levels on an oil tanker, it is necessary to reduce the inert gas pressure. Why is this?

To avoid over-capacity in the IG generator.

To avoid locking the cargo pump impeller.

To minimise blowback.

To comply with MARPOL Annex VI.

What is the reason for gassing up cargo tanks before loading?

Cooling down cargo tanks.

Removal of inert gas from cargo tanks.

Reduce CO2 content in cargo tanks.

Decrease oxygen content in cargo tanks.

Which of the following type of crude oil requires special consideration in terms of carriage and cleaning?

Medium Crude.

Paraffinic Crude.

Reconstituted Crude.

Sweet Crude.

In the human body, breathing is controlled by

The bronchia

The respiratory centre in the brain

The lungs

Movement of heart

Apart from longitudinal, transverse and vertical accelerations what else must be taken into account when calculating the external forces acting on a cargo unit?

Vertical and transverse forces by wind pressure

Longitudinal and vertical forces by wind pressure

Longitudinal forces by sea sloshing

Longitudinal and transverse forces by wind pressure

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

…mild steel nails."

…mild steel screws."

…galvanised crosshead screws."

…galvanised nails."

Power is available at a three-phase motor starter but nothing happens (at starter or motor) when the start button is operated. Which of the following is a likely cause?

Open circuit in one of motor cables

Motor disconnected

Faulty overcurrent relay

Faulty contactor coil

The diode shown performs which function?

Reference the transistor to +15V.

Provide an overload route for transistor current.

Allow Op Amp to top up +15V rail.

Return inductive current to supply at switch off.

Which statement is true?

Normal temperature of the lub oil after the cooler is approx. 45 C.

When the ME is running, the Fresh Water enters the engine at the top and leaves the engine at the bottom

Normal temperature of the oil after the cooler is approx. 65 C.

Minimum scavening air temperature is 60 C to avoid dewing in the scavening air cooler

Which of the valve types given in the options is most likely to be used in the cargo loading lines of a liquefied gas carrier?

Screw down non-return valves.

Self closing flap valves.

Ball or butterfly valves.

Needle valves.

How is a dangerous substance listed in the IMDG Dangerous Goods List?

By its Proper Shipping Name (PSN) and subsidiary name

By its Trade Name

By its Proper Shipping Name (PSN)

By its abbreviated Trade Name

Modern large slow speed diesel engines operate with very efficient turbochargers. This has resulted in much later opening of the exhaust valve as less energy is needed to drive the turbocharger giving exhaust timing which is almost symmetrical about bottom dead centre. How has this affected the reversing operation of the engines?

It has no effect and the reversing requirements of the engine are still the same.

Only the air start distributor has to be repositioned prior to reversing the engine.

The engine can be reversed by simply repositioning the main camshaft.

Only the fuel and starting air timing needs to be changed to reverse the engine.

What English term is given to the "growth" that develops on foodstuffs that have been imptoperly stored over a long period?

Meld.

Mild.

Mealed.

Mould.

How would you ventilate your cargo holds when sailing from hot climate to cold climate?

Ventilation only during night time?

Ventilate only during day time?

Ventilate excessively?

No ventilation should be done?

What kind of information do we get from a Mollier diagram?

We get information about enthalpy, specific volume of liquid, liquid/ vapour mixture, temperature of vapour when pressure is known, pressure in cargo tank when the liquid temperature is known etc.

We get information about enthalpy, liquid/ vapour mixture, temperature of vapour when pressure is known etc.

We get information about enthalpy, specific volume of vapour, liquid/ vapour mixture, temperature of vapour when pressure is known etc.

A High Breaking Capacity fuse found in a Main High Voltage Switchboard will have fault level rating of ?

4000A

400A

40 kA

40A

What is the maximum period between the sampling/testing of the moisture content of a solid bulk cargo and the loading of that cargo into a bulk carrier?

It must always be conducted immediately before loading

A test is not required each time of loading

Testing must be carried out on a random sampling basis.

A maximum for seven (7) days, when there has been no change in the moisture content due to rain or snow

On the figure there are four (4) possible definitions of the term "AFT" shown. Which one is the correct one?

Aft is defined as B on the figure

Aft is defined as D on the figure

Aft is defined as C on the figure

Aft is defined as A on the figure

"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.

On a Container vessel, what should be done if a container with damaged floorboards is loaded onto a ship?

A cargo damage report should be made for signing by stevedores

The container should rejected outright

A log entry of the container number and stowage position should be made

A note should be made and the information handed over to the relieving watch keeper

There is an "industry standard" book, found on oil tankers, which explains all about oil cargo and cleaning operations and their associated hazards. What is it called?

The International Convention for the Prevention of Pollution from Ships (MARPOL).

The International Safety Management Code (ISM).

The International Safety Guide for Oil Tankers and Terminals (ISGOTT).

The United Nations Guidelines on Safe Ship Management (UNSSM).

How should chemicals and harmful substances be stored on board?

In a gas-tight locker close to the bridge

In the central store or in the engine room

In a separate locker. The locker shall be clearly marked, locked and ventilated.

In a locker preferably on boat deck. The locker shall be clearly marked.

What is silica gel normally used for on board liquefied gas carriers?

It is used as a treatment for frostbite.

It is used as an insulating material for the cargo tanks.

It is used as a fire fighting medium for cargo fires.

It is used as a drying agent for the inert gas.

Insulation resistance measurements may be influenced by which of the following?

Temperature, humidity and surface contamination

Humidity, pressure and surface contamination

Humidity, frequency and dampness

Temperature, pressure and dampness

What governs the disposal of dry bulk cargo residues at sea?

SOLAS Chapter VII

The Code of Safe Practice for Solid Bulk Cargoes

MARPOL Annex V

MARPOL Annex IV

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

Where would you find the document relating to the "Condition of Freeboard Assignment" onboard?

With the Loadline Certificate.

With the Structural Survey File.

With the Classification Records.

With the Safety Construction Certificate.

What is the world-wide system operated by the US Coast Guard exclusively in support of search and rescue operations?

The Worldwide Maritime Mutual Assistance Programme (WMMAP).

The U.S. Command and Control Rescue (USCOMR) Service.

The International Search and Rescue Coordination System.

The Automated Mutual-Assistance Vessel Rescue (AMVER) System.

What is the purpose of an evacuation analysis?

To provide port state control inspectors with reports

To provide the passengers with written results of the analysis

To identify and eliminate, as far as practicable, congestion which may develop during an abandonment

To ensure the ship can be evacuated in less than 30 minutes

Some of the cargoes carried onboard liquefied gas carriers are classed as saturated hydrocarbons. What are the features of the common saturated hydrocarbon cargoes (e.g. propane and butane) that are carried on these vessels?

As liquids they are colourless, odourless and are chemically non-reactive.

As liquids they are yellowish brown in colour, odourless and are chemically reactive.

As liquids they are yellowish brown in colour, with a sweet odour, and are chemically non-reactive.

As liquids they are colourless, with a sweet odour, and are chemically reactive.

On most ro-ro passenger ships there is no requirement to carry out drills with the passengers. What is the most effective ways of informing embarking passengers about the emergency procedures?

Information on boarding cards, public announcement on departure, posters in public areas and cabins, safety video running continuously

Posters in public areas and cabins, safety video running continuously

Information from the crew

Safety video and folders in tax free shops

Which inert gas systems use only gases from the ship's main or auxiliary boilers?

The inert gas generator

Nitrogen generator

Combination - inert systems

The flue gas plant

In a PID controller we have possibility to change the setting of the Proportional band (P), the Reset time (1) and the Rate time (D). Please indicate which curve shows the typical response to a change in input, if the setting of the proportional band is too wide.

Figure 1.

Figure 3.

Figure 4.

Figure 2.

Which of the following statements is incorrect with regard to IMDG Class 5 cargoes?

The goods must be stowed such that they can be easily jettisoned

The goods require protection against potential sources of ignition

The goods require protection against the accumulation of dangerous vapours

The goods require protection against contact with moisture and water

What is the correct sequence of washing a cargo hold?

Saltwater wash, freshwater rinse, dry, sweep

Freshwater wash, saltwater rinse, dry, sweep

Sweep, freshwater wash, saltwater rinse, dry

Sweep, saltwater wash, freshwater rinse, dry

Settlement of disputes, not belonging to the category of the NIS Act, outside Norway between the master and any of the crew regarding wages, the ship service or the employment relationships in general shall be brought before:

The local trade union

The local P&I club.

The Norwegian Consulate

The local authorities

Compressed air for instrument and control purposes needs to be of high quality. In order to condition the air filter modules are usually fitted to remove the contaminants. If there is evidence of oil carry over to the final elements in the instrumentation air system what is the most likely cause?

The coalescer module is saturated and requires renewal.

The drier section of the module needs to be regenerated.

The air compressor piston rings need to be renewed.

The particle removal module is choked.

On a RoRo vessel, what must be ensured so that vehicles are not damaged on the loading ramp?

The ramp angle must not exceed its safe working limit

The ramp surface must be free of oil

Safety signs must be posted at the ramp

One man must always stand-by the ramp

Why is it preferable to use white spirit rather than paraffin to remove traces of grease during cleaning of refrigerated cargo spaces?

White spirit is more effective at removing grease than paraffin.

White spirit does not leave an oily residue or odour.

White spirit is cheaper than paraffin.

White spirit is usually more readily available.

What would be a typical value for the set point for shut down of a large 2-stroke diesel engine due to thrust bearing high temperature?

125° C

85° C

65° C

105° C

What are twistlocks designed for?

To couple containers horizontally

To couple containers vertically

To bear container loads

To lock containers vertically and horizontally

Chemical boiling out is one method that is used for cleaning the waterside of a steam boiler. Select from the given options the likely circumstances under which this procedure would be considered necessary?

Contamination of the boiler water by oil.

Excess chloride levels in the boiler water.

Excessive sludge build up in the water drum.

Oxygen pitting in the steam drum.

What is a Fantainer used for?

Carrying dangerous goods prone to condensation

Carrying reefer cargoes prone to condensation

Carrying dry cargoes prone to condensation

Carrying steel coils

How is the bilge pump protected from cargo debris being sucked in from the bilges?

Filter in the bilge suction pipeline

Non-return valve

Keeping the bilge space clean at all times

Strum box

Where do you find detailed information and specific technical requirements for fire safety systems?

ISM Code

SOLAS

Safety Management System

Fire Safety Systems Code (FSS Code)

What factors do you consider as important before mooring a vessel?

Use of proper Personal Protective Equipment, Well maintained mooring equipment, Make sure the area is tidy and clean, Mooring stations should have effective hazard markings/ hazard highlighting, Stay clear of mooring ropes/wires, Be aware of Snap-back Zone, Proper procedures, Effective communication

Use of proper Personal Protective Equipment, Mooring stations should have effective hazard markings/ hazard highlighting, Stay clear of mooring ropes/wires, Be aware of Snap-back Zone, Proper procedures

Use of proper Personal Protective Equipment and be aware of Snap-back Zone

Use of proper Personal Protective Equipment

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

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

You are mid-way through the discharge of several grades of chemicals. You hear a sudden change in tone on a cargo pump and notice hydraulic oil spraying from a broken oil supply pipe. What will you do?

Secure some heavy duty rubber packing over the hole in the pipe and place a bucket underneath to contain any continuing leakage. Throw a bag of sand around the area to make it less slippery.

Activate the hydraulic emergency stop. Notify the Duty officer. Close all manual cargo valves. Prepare for emergency spill response.

Stop the cargo pump supplied by the broken line. Continue discharge with all other pumps.

Notify the duty engineer and request a fitter evaluates the problem with the hydraulic line.

During a stay in port, what shall always be ready at the gangway?

Air breathing apparatus.

Life buoy with line.

Survival suit.

Fireman’s outfit.

On a RoRo vessel, what factor(s) determine whether or not a cargo unit will tip over?

The length and width of the cargo unit

The width of the cargo unit

The shape and centre of gravity and securing arrangements of the cargo unit

What alternative is there to direct (heating coils or heat exchanger) or ducted heating on a parcel chemical tanker?

Recirculation.

There is no alternative. These are the only acceptable methods of heating for such a vessel.

Venting the tank with heated, de-humidified air prior to loading.

Stowage such that heat transfer may be delivered from a cargo of higher temperature in an adjacent tank.

What is one of the main features of the cylinder lubricating oil used in large 2 stroke marine diesel engines which normally operate on heavy fuel oil?

It is a pure mineral oil without any special additives.

It is strongly alkaline.

It is strongly acidic.

It is neutral with a pH value of 7.

What is the required number of temperature indicating devices in cargo tanks?

One device in each tank.

At least two devices in each tank.

There is no requirement to number of devices.

At least three devices in each tank. One placed at the bottom of the tank, one in the middle of the tank and one near the top of the tank.

What special design feature is attributed to pure car carriers?

A small GM when fully loaded

Bow doors

A stern ramp

A very large windage area

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

Roller fairlead is given by D on the figure

Roller fairlead is given by C on the figure

Roller fairlead is given by A on the figure

Roller fairlead is given by B on the figure

When having a fire alarm during normal working hours, what immediate actions should be taken?

Act according to instruction given in the fire plan.

Start searching for the fire to determine if it is in the engine room.

Everybody gather in the safety centre.

Start the fire pump, the sooner the better.

The engine room is equipped with regular fire hoses and nozzles. What is important to observe when using water as an extinguisant in the engine room?

To reduce the negative effect of water in an engine room, the spraying function to be used.The spray function will also give the personnel operating the fire hose good shelter against heat.

All the mentioned alternatives.

Water has a clear limitation in fighting an oil fire.

Water may short circuit electrical installation and may be a threat to the personnel operating the firehose as well as to electrical equipment itself.

How many buoyant smoke signals are carried in each liferaft?

Nil

Unconscious casualties who are breathing and whose hearts are beating should be placed in the Recovery Position. What is the Recovery Position?

As shown in figure 2.

As shown in figure 4.

As shown in figure 3.

As shown in figure 1.

Which position is the best to stop bleeding from the nose?

Holding the nose above steamed water.

Laying on the back, leaning the head as much back as possible.

Laying on the back, holding a wet, cold towel on the top of the nose.

Sitting on a chair, leaning forward, with two fingers pressing the nose together.

Данный онлайн-тест состоит из 90 случайных вопросов из тестов CES 5.1 по выбранной вами тематике.