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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Тест состоит из случайных вопросов по выбранной теме.

Вопрос 1 из 90

For a DSC-connection (no ‘distress alert’) with another vessel the following frequencies are used:

TX: 2187.5 kHz RX: 2187.5 kHz

Tx: 2187.5 kHz RX: 2182.0 kHz

TX: 2189.5 kHz RX: 2189.5 kHz

TX: 2177.0 kHz RX: 2177.0 kHz

What is false regarding the function :” Transmission and reception of maritime safety information”

On area A2 this function is based on the use of NAVTEX

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

On area A4 this function is based on the use of HF NBDP telex

On area A3 this function is based on the use of INMARSAT C SAFETYNET

In relation ot OPA 90, Which of the following statement is correct?

COTP-zones may have additional rules and regulations

OPA-90 specify all oil cargo related rules and regulations

OPA-90 specify rules and regulations for all COTP-zones

After implementation of OPA-90 there are no area specific rules and regulations

COTP can request (OPA-90)

Maximum one drill a year

Maximum two drills a year

Unannounced drills at any time

Participation in all announced drills

If the radar is set onto the Relative Motion Display, what would an echo of a target with no trail indicate? Note this the trail of the echo and not a vector.

The target is on the same course and speed as own ship.

The target is stopped and making no way through the water

The target is on a constant bearing and getting closer to own ship.

The target is on a collision course with own ship.

When a ship is steaming along a course line, what is the importance of determining the set and rate of drift due to wind and current?

All of the suggested answers

To appreciate the possible extent of drift and dangers in the event of engine failure

To determine the time required to reach the next alteration of course point.

To determine the correction required to the course steered to maintain the planned passage.

The training manual shall contain instructions and information in easily understood terms and illustrated wherever possible. Which of the following objects do not have to be explained in detail in the manual according to present regulations?

Muster of assigned stations

Donning of lifejackets and immersion suits

Boarding, launching and clearing of the survival crafts and rescue boats

Donning of fire protection clothing

Which electronic component does this graphical symbol represent?

Diode

Transistor

Silicon controlled rectifier

Tunnel diode

On some trades fruit cargoes may be subjected to 'in-transit cold treatment' also known as cold treatment. From the options given which is the main purpose of this cold treatment?

To maintain a specified minimum temperature for a prescribed time period to kill off any fruit fly which may be present when loading the cargo.

To maintain the temperature of the fruit within very tight tolerances.

To ensure that the fruit is carried as cold as possible without damaging the fruit.

To achieve uniform quality of the fruit at discharge.

The ring expander for removal and refitting of an air compressors piston rings is found to be broken and unusable. The work cannot be delayed until a replacement is obtained. Which of the methods given in the options should the ship's engineers use to complete the work?

Lever the rings open using a couple of screw drivers to get the rings past the ring grooves.

As compressor rings are relatively small with little tension the ends can be pulled apart sufficiently to clear the piston using the thumbs.

Use loops of string or rags to pull the ring ends apart so the rings can be lifted off and on.

Fabricate a conical guide from tin plate or similar with the large diameter just bigger than the compressor piston so the rings can be eased open for fitting.

What will a cadet find in the maintenance manual?

A Cadet will find a lubricating chart in the maintenance manual

A Cadet will find grease nipples in the maintenance manual

A Cadet will find machinery spare parts in the maintenance manual

A Cadet will find grease in the maintenance manual

Which of the following parameters will result in oscillation

Too short D-time

Too high amplification

Temperature change

Too long I-time

Temperature sensors may be marked PT100. What does this mean?

100 ohm at 0° C

20 ohm at 100° C

100 ohm at 20° C

0ohm at 100° C

Temperatures are often measured by using platinum resistance thermometers. The characteristics shown are all calibration curves for such devices. Which of them is a calibration curve for a P T100 sensor?

Figure 3

Figure 4

Figure 2

Figure 1

A slow speed diesel engine is fitted with a slow turning facility. How would the slow turning normally be set to operate?

It should be manually operated before the normal start sequence following an engine stopped period of more than 10 minutes.

It should automatically operate before the normal start sequence following an engine stopped period of more than 20 to 30 minutes when manoeuvring.

It should automatically operate before every normal start sequence.

It should automatically operate every 20 minutes when the engine is stopped during manoeuvring.

Which of the tools given in the options would be best suited for cutting a piece of angle iron?

Hacksaw.

Tenon saw.

Crosscut saw.

Rip saw.

Why is nitrogen used for the inerting of hold spaces and interbarrier spaces on LNG carriers?

Because of the high oxygen content of combustion generated inert gas.

Because the carbon dioxide in combustion generated inert gas would freeze when in close proximity to the cargo.

Because of the high humidity in combustion generated inert gas.

Because of the high temperature of combustion generated inert gas.

What is the purpose of the "forcing vaporizer"?

To provide gas for burning in the boiler.

For initial heating in the insulating spaces.

Discharge cargo without vapour return from shore.

To displace inert gas from cargo tanks.

A transformer with 10:1 turns ratio and rated 50 kVA, 2400/240 Volts, 60 Hz, is used to step down the voltage to a distribution system. The low tension voltage is to be kept constant at 240 Volts. What load impedance connected to the low-tension side will cause the transformer to be fully loaded?

1.15 Ohms

230 Ohms

115 Ohms

2.3 Ohms

Which of the following is a requirement on an oil tanker before entering any enclosded area containing inert gas generating equipment?

The oxygen level should be checked with an explosimeter

The atmosphere should be gas free and contain 20.9% oxygen

The atmosphere should contain at least 5% oxygen

The atmosphere should contain not more than 5% by volume of explosive and poisonous gases

What necessary precautions should be taken before entering a tank or an enclosed space?

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

Bring a flashlight and put on safety shoes

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

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

What is enthalpy?

Enthalpy is the sum of the external energy of a substance plus the product of the substance volume multiplied by the pressure exerted on the substance by it’s surroundings.

Enthalpy is the difference between the compressor suction temperature and the condensate return temperature.

Enthalpy is the sum of the internal energy of a substance plus the product of the substance volume multiplied by the pressure exerted on the substance by it’s surroundings.

Enthalpy is the sum of the internal and external energy of a substance plus the product of the substance volume multiplied by the pressure exerted on the substance by it’s surroundings.

How should packaged units be secured below decks?

By means of adequate timber shoring and wedging for individual units

By means of adequate wire lashings for units grouped together

By making a chock-a-block stow so that units will not shift

By means of adequate timber shoring and wedging for units grouped together

The stowage factor of a consignment of car parts is given by shippers as 3.00 cubic metres/metric tonne; what space will be required to load 100 tonnes of this type of cargo on a General Cargo Vessel?

3.00 cubic metres

30 tonnes

30 cubic metres

300 cubic metres

The end covers for a heat exchanger are held in place by a number of brass studs and nuts. Which of the tools given in the options is best suited for removal and tightening of the nuts?

A set of mole grips.

Adjustable shifting spanner

Open ended spanner.

Ring spanner or socket.

If a refrigeration system contains air, how would you remove it from the system?

Pump the system down to the condenser, continue cooling water flow until the condenser is at the same temperature as the cooling water and vent off the air from the top of the condenser.

Stop the compressor and vent the air from the crankcase.

Pump the system down to the evaporator and keep the fan running until the evaporator is at ambient temperature and vent off the air from the top of the evaporator.

Stop the compressor and undo a pipe coupling at the highest point in the system to vent off the air.

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

Vapour at high pressure.

Liquid at low pressure.

Liquid at high pressure.

Vapour at low pressure.

What causes shock loads in a container lashing system?

Ship torsion

Loose cargo lashings

Resonant rolling

Ship vibrations

What should the Third Officer do, if he finds something missing from a lifeboat?

If he finds something missing from a lifeboat, the Third Officer should notify the Chief Officer

If he finds something missing from a lifeboat, the Third Officer should replace the missing item

If he finds something missing from a lifeboat, the Third Officer should search for the missing item

If he finds something missing from a lifeboat, the Third Officer should make a note of it in the lifeboat register

What is the value of GZ at angles of heel greater than 5 degrees?

KM - KG x Sin angle of list

KM - Corrected KG x Sin angle of list

KN - Corrected KG x Sin angle of list

KN - KG x Sin angle of list

A Bulk Vessel is to load a cargo of grain; pre loading calculations show that IMO stability criteria cannot be achieved; the vessel should do which of the following?

The grain surfaces in some or all of the cargo spaces must be secured

The cargo can still be loaded

An exemption certificate must be applied for

The vessel will be unable to load the cargo

Which of these is not considered a method of ascertaining the watertight integrity of hatch covers?

Hose test

Chalk test

Ultrasonic test

Visual inspection

Information about your ship’s security arrangements and procedures is stored electronically. Which of these measures will help safeguard it from potential threats?

Work history verification

Encoded email messages

Protective markings

Passwords

What is the meaning of the term "Steady as she goes" when acting as helmsman?

Reduce the number of helm movements used when steeriing a set course

Try to reduce the continuous swinging either side of the course when steering a compass course.

Keep the applied rudder constant until the next helm order.

While altering the ships head, the instruction "steady as she goes" means reduce the ships swing as rapidly as possible and steady on present course

What is a low location lighting system?

A system displaying the escape route from all cabins by light points in the ceiling, powered by battery

An illumination system for all corridors in cabin areas

A light system powered by battery or fluorescent signs mounted at deck level indicating the way to the nearest exit

An emergency illumination system that illuminates all deck areas to a minimum

Some equipment may be marked with the following symbol: What does it mean?

Internally explosion proof.

Not safe in gas dangerous area.

Explosion proof.

Intrinsically safe.

During bilge pumping operations the pump suction gauge indicates a high vacuum. What is the most likely cause of the high vacuum reading?

Leaking pump gland.

A glogged bilge strainer.

A hole in the suction line.

Broken suction gauge.

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

Why does MARPOL require debottoming of tanks prior to COW?

To prevent electrostatic generation

In order not to mix crude and water

To prevent corrosion in COW machines and COW piping

To prevent corrosion of tanks

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

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

Air draught is given by B on the figure

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

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.

What is the symbol for a THYRISTOR?

Figure 4.

Figure 3:

Figure 1.

Figure 2.

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 is the purpose of the accumulation test required by Classification Societies for boiler safety valves before the valves can be approved?

To check the pressure at which the safety valve will reset.

To check that the valves have sufficient discharge capacity when operating to limit the build up of pressure when the boiler is on full firing rate.

To check how high the boiler pressure will go before the safety valve operates.

To check that the maximum firing rate can raise the pressure above normal working pressure.

HP pressure fuel pumps for medium speed engines are often provided with visible witness marks on the pump casing and the pump tappet. These along with flywheel position can be used to check the fuel timing for the individual pump. Wfrom the options given select what is actually indicated when the witness marks are aligned?

That the pump plunger has reached the end of its stroke.

That the pump plunger has just uncovered the spill port.

That the main piston for that particular cylinder is at top dead centre position.

That the pump plunger has just covered the spill port.

What is the master's position if he is asked to load a container that is incorrectly manifested, but which is believed to contain dangerous goods, about which insufficient information is supplied?

If it it approved by the operations department, he can assume all safety checks have been carried out and should load it.

He has the authority to refuse it.

He must load it, but ensure it is placed in a safe loaction, to which there is immediate access in the event of an emergency.

He must load it, but immediately advise his operations department and request full information.

What type of sugar is commonly added to sweeten tea or coffee?

Barley.

Granulated.

Icing.

Caster.

Where are cargo residues usually concealed?

In the bilges

In the upper sections of the ship’s frames

In bulkhead corrugations

In recesses below manhole covers

Why shall you never pour water into hot fat?

The fat will stiffen immediately and need reheating.

The water will explode into steam causing hot fat to be thrown far away thus possibly causing severe burns or fire.

The water will turn into steam and cause the fat to explode.

The fat will not be edible any more.

What does a low angle of repose indicate with respect to a bulk cargoes?

The cargo is stable in all situations

The cargo Is liable to self-heat

The cargo is more liable to shift than cargo with a high angle of repose

The cargo is unlikely to shift

What lights are required on an inconspicuous, partly-submerged vessel or object of less than 25 metres in breadth (other than a dracone) being towed?

A flashing yellow light on the tow, where it can best be seen.

One all-round white light on the tow where it can best be seen.

No lights are required on a tow of this description.

One all-round light at or near the forward end and one at or near the after end of the tow.

Which of the following is the minimum acceptable value of insulation resistance for High Voltage equipment?

100 k Ohms

1M Ohms

1G Ohms

100 M Ohms

Only search vehicle compartments where you suspect objects may be hidden.

TRUE

FALSE

The holding down arrangement for a large 2-stroke diesel engine consists of steel chocks and hydraulically tightened holding down bolts. When carrying out routine maintenance of the arrangement which method, from those given in the options, should be adopted to check that it is in good order.

Measure the length of the holding down bolts to make sure they have the correct extension for the recommended tension.

Tap the holding down bolts with a hammer to see if they 'ring'.

Tap the steel chocks with a hammer to see if they move.

Check the hydraulic release pressure for the holding down bolts.

When would you not expect large roll amplitudes on a Panamax container ship?

When the ship is experiencing near head seas.

When the ship is experiencing seas 45? on the bow.

When the ship is running before the seas

When the ship is experiencing beam seas

For a low pressure boiler, after testing the water cloride level, it is found to be 500 PPM, what action would You take?

Do nothing.

Increase dosage.

Decrease dosage.

Blow down boiler and check condenser for leakage.

If a cargo leak occurs onboard a liquefied gas carrier it is likely that a 'white' vapour cloud will form. What makes the vapour cloud look white?

Condensation of nitrogen in the air.

Condensation of cargo vapour in the air.

Condensation of oxygen in the air.

Condensation of water vapour in the air.

In oil cargo quantity calculations, a specific figure derived from historical analysis of discrepancies between ship and shore figures is often considered when the master is comparing a load total against that shown on the Bill of Lading for the current operation. How is this figure referred to?

Vessel Discrepancy Index.

Vessel Experience Factor.

Ship's Calculation Reference Factor.

Intermediate Comparison Figure.

What is the advantage of a large ship?

The advantage of a large ship is that it contributes to safe transportation of goods

The advantage of a large ship is that it can cope with most emergency situations

The advantage of a large ship is that it can easily be manoeuvred

The advantage of a large ship is that it is economical to operate

How can you arrange for safe movement of passengers on ro-ro decks?

Passengers should stay in their cars until loading is completed. They should keep to walkways when leaving the car.

Passengers are responsible for their own safety while moving about ro-ro decks.

It is easy, only drivers are allowed to stay in the car during loading and unloading.

Passengers should be warned of vehicle movements when entering or crossing car or vehicle decks. They should preferably keep to walkways while moving about the ship.

What is the connection between ethylene gas and food?

Ethylene is the gas that develops as yeast dough bakes

Ethylene is the gas given off by most fruits and vegetables during the ripening process

Ethylene is the gas that develops as baking powder dough bakes

Ethylene is the gas that develops when meat and fish are stored for too long (bacterial decomposition)

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.

During maintenance work on the main engine a problem arises regarding the lifting of a main component in that the manufacturer's instructions ado not apply to the engine as fitted and present a hazard. In which of the information/record sources given in the options, is it most important to record the information relating to this anomaly?

Engine room planned maintenance schedule.

Engine room log book.

ISM procedures in the ship's safety manual.

Safety officers report.

What is the most common method of connecting the manifold of an LNG carrier to the shore terminal pipelines?

By special sections of portable steel pipe.

By permanently fixed metal hard arms.

By composite hoses suspended from a boom with a swinging arm.

By flexible rubber hoses.

What does ODME mean?

Oil Detecting - Master Evaluating.

Oil Discover Measure Equipment.

Over board Detecting Measure Equipment.

Oil Discharge Monitoring Equipment.

The engine is started by compressed air. Which one of the following statements is correct ?

If we have lost the starting air pressure, we can use a pressurized oxygen bottle from the welding equipment for an emergency start of the engine.

A heavily leaking starting air valve can cause an explosion in the starting air pipe system.

The starting air shall always contain some water.

If the engine does not turn when we open for the starting air, we can use the turning bar together with the starting air to get the engine out of a deadlock position.

On the diagram, which letter indicates what is meant by the word "DRAUGHT" of the ship?

Draught is indicated by B, in the figure

Draught is indicated by A, in the figure

Draught is indicated by C, in the figure

Draught is indicated by D, in the figure

What kind of safety protection is to be weared during a mooring operation?

Safety shoes and boiler suit.

No particular.

Gloves and helmet.

Helmet, safety shoes, gloves and protecting cloths.

Before entering the cargo tank of an LNG carrier it will be necessary to inert and then aerate and gas free the tank. What is the atmospheric content of oxygen that is required before tank entry is allowed?

21%.

17%.

19%.

20%.

Why is it dangerous to load wet Scrap Steel in containers?

Because of the huge increase in the weight of the cargo

Because the cargo will corrode the container

Because the cargo can spontaneously ignite

Because the cargo will not dry out en route

Which of these statements is incorrect with regard to the loading of bagged fishmeal?

The antioxidant should not be less than 650ppm

The fat content should be less than 15%

The antioxidant should not be less than 100ppm

The moisture content should be between 6 and 12%

On a pure car carrier what danger is associated with deck-head piping in cargo spaces?

Rusting of cargo units stowed below

There is no associated danger

Breakage of pipes in heavy weather

Moisture dripping onto vehicles stowed directly below

Which kind of secondary barrier, if any, is required for an LNG carrier fitted with membrane type cargo tanks?

No secondary barrier required.

Partial secondary barrier.

Complete secondary barrier not formed by the hull.

Complete secondary barrier formed by the hull.

On a General Cargo ship, when can dunnage from a previous cargo be used again for cargo?

Only when clean and Chief Officer has approved use

Dunnage can be used many times regardless of condition

Used dunnage must never be used again for cargo

Dunnage can only be used again if sterilized

A ship is sub-divided by thermal and structural boundaries to:

Contain and extinct any fire in the space of origin

Divide the officers and crew living quarters

Separate the air conditioned and non air conditioned spaces in the accomodation

Separate crew living quarters from machinery spaces

A decision support system for emergency management shall be provided on the navigation bridge. What type of emergency situations shall as a minimum be identified in the emergency plans?

Fire, Evacuation, Pollution, Personnel accidents and Ship Security

Evacuation, Fire, Pollution and Man-Over-Board

Man-Over-Board, Evacuation and Fire

Fire, Damage to ship, Pollution, Unlawful acts threatening the safety of the ship and the security of its passenger and crew, Pesonnel accidents, Cargo-related accidents, Emergency assistance to other ships

What is the time limit for abandonment of ro-ro passenger ships?

30 minutes from the time the abandon ship signal is given

15 minutes from the time the abandon ship signal is given

There is no time limit

2 hours from the time the abandon ship signal is given

Why is it necessary to use the vacuum pump after major overhaul of the reefer system?

In order to reduce the pressure in the system before start-up.

Not necessary.

To evacuate air and water out of the system in order to prevent problem during operation.

To make underpressure in the reefer system in order to get the freon liquid easy back to the system.

Cargo compressors are fitted on LPG carriers as part of the cargo and vapour handling system. Why is it important to 'bar over' a piston type LPG compressor before starting it up?

To prove the oil pump is working.

To avoid low suction pressure during start up.

To reduce the electrical start up load..

To make sure there is no liquid in the cylinders.

What do you understand by the expression Slave Controller

The controller is following a pre-set control sequens

The secondary controller in a cascade control system

Feed water controller

The controller is always working hard

In a non-verbal demonstration, which action provides good communication?

Do the procedure as you would without an audience.

Avoid eye contact.

Exaggerate your movements.

Do not say the instructions verbally.

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

For what could a ro-ro vessel be held responsible by a port authority?

Vehicle emissions

Stevedore damages to vehicles

Ramp damage to the jetty

Visitors not wearing appropriate identification

When loading a static accumulator oil, which of the following is a standard precaution applied to eliminate the risk of explosion through electrostatic charge in the tank?

No metallic sampling devices over 2 litres capacity should be permitted on the cargo deck at any time, unless thoroughly cleaned beforehand with soapy water

No metallic devices, such as those used for gauging and sampling, should be introduced into the tank during loading and for 30 minutes after completion of loading

No rubber containers over 1 litre capacity, such as those used for sampling, should be introduced into the tank between completion of loading and for 10 minutes after that time

No plastic, or plastic coated devices, such as those used for sampling or gauging, should be introduced into the tank unless bonded, at any time

When it is midsummer in northern Europe, what time of the year is it in South Africa?

Midsummer

Autumn

Midwinter

Early spring

"Which of these precautionary measures can reduce the threat of piracy, if implemented?"

Plan to arrive at port at night.

Sail at full speed.

Turn off all of the ship’s lights at night.

Stay at least 15nm away from the shore.

Which of the options given is the main reason for using a ring spanner to tighten the brass nuts on the cover studs of a pump casing?

The nuts can be tightened more with this type of spanner.

It will allow the nuts to be tightened correctly.

It will minimise the risk of slipping off the nut or damaging the nuts.

It can be adjusted to the exact size of the nut.

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

Capstan is given by C on the figure

Capstan is given by D on the figure

Capstan is given by B on the figure

Capstan is given by A on the figure

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