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

How is a radio-telex traffic list transmitted:

ARQ

SELFEC

FEC

Don't know

By a ‘geographical area call’ in the DSC system is meant:

Don't know

a DSC message for all vessels within a certain area from a position in the DSC message, and the degrees are given in northerly and westerly direction

a DSC message for all ships heading towards a certain geographical area

a DSC-message for all vessels within certain area marked by areference position, given in the DSC message and the degrees are given in southerly and easterly direction

Proper transmissions of the NAVTEX-message can be aided ………… by:

automatic fault-check

automatically comparing the message earlier received ones

request for repetition of the garbled text fragment by the receiving NAVTEX installation

Don't know

When sending an OBS (weather report) with Inmarsat one should use Service Code ‘41’. With this address the weather report will always be transmitted to:

KNMI in Holland

Don't know

The meteorological station connected with the CES used

MET office Washington, this office will take care of further dispatch of the weather reports

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)

When stripping a tank, if excessive air is allowed to be drawn into the suction line, which of the following may occur?

Control of the operation will be lost and the tank will rapidly empty.

The pump will "race" and there will be a loss of suction.

The cargo pump impeller will stop rotating.

The back pressure will increase.

One of the following areas is NOT a Special Area as mentioned in MARPOL regulations regarding pollution by oil. Which is that area?

The Red Sea and The Gulf of Aden

The Gulf of Mexico

The Baltic Sea

The Mediterranean Sea

Your ship is drifting in open sea with temporary engine malfunction. You are equipped with precise navigation equipment. What should you do in this situation?

Go to bed and wait for the engine to be ready

Use the opportunity to plot direction and rate of drift for later use

Call the company immediately

Ask the Chief Engineer when the engine will be ready

What is the crucial aspect in executing a voyage in a safe and efficient way?

The bridge equipment includes ARPA radar, GPS and ECDIS in full and effective operation

An effective detailed passage plan fully understood and followed by a competent bridge team.

All navigational equipment fully functional.

Bridge equipment effectively operating and being used efficiently

In accordance with GMDSS rules, the frequency 2187.5 kHz is used for:

On scene communication

Distress traffic

Routine message

Distress alerting

When fighting fire, why shall you never pour water into hot fat?

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.

The fat will stiffen immediately and need reheating.

Which type of compressors is used as cargo compressors onboard gas carriers?

Piston, screw and centrifugal type compressors.

Oil free piston compressors.

Three stage piston compressors.

Three stage screw compressors.

You are the Officer on Watch on an oil tanker during a discharging operation. An alarm on the Inert Gas Plant indicates that no inert gas is being supplied to replace the discharging cargo. What will you do?

Continue discharging with the cargo pumps running at minimum speed.

Slow down and relieve the vacuum by opening the tanks lids.

Immediately stop the discharging.

Activate the inert fans and blow fresh air into the cargo tanks.

What is the purpose of the purge gas condenser fitted to some liquefied gas carrier reliquefaction plants?

It is used to condense all of the cargo vapours that have been used in purging a cargo tank.

It is used to generate the cargo vapours required for purging the cargo tanks.

It is used to condense out any nitrogen or inert gas that has collected in the main condenser.

It is used to condense out any cargo vapours which have passed through the main condenser with incondensable gases.

On what design temperature do we need full secondarry barrier

When the design temperature is below –55oC

Only if the cargo tanks are loaded

When the design temperature is below –55oC and the tank is not independent type B or C, we must have full secondary barrier

When we are carrying cargo on less than –10oC

What would indicate that the cargo holds are not properly sealed?

When dew point temperatures inside cargo holds are the same as when the cargoes were loaded

When dew point temperatures inside cargo holds remain the same despite cargo hold ventilation

When dew point temperatures inside and outside the cargo holds are closely matched

When dew point temperatures inside and outside the cargo holds are substantially different

Why should wet cloths not be used for carrying hot cooking pans?

Because Health and Safety regulations prohibit the use of a wet cloth within 2.5 metres of a galley range.

Because they conduct heat quickly and may cause scalding.

Because a cloud of steam will be generated and the person carrying the pans may find it difficult to see where he is going.

Because the mositure will transfer to the pan and cool the contents.

What could result from carrying coal with a high sulphur content on a Bulk Carrier?

Evolution of methane gases

Spontaneous combustion

A possible shift of cargo

Corrosion of steelwork in the cargo holds if the cargo becomes wet

What should a cadet be aware of when using a needle gun?

A Cadet should be aware of the dangers associated with using a needle gun

A Cadet should be aware that the valve of a needle gun is not to be opened before starting to descale rust

A Cadet should be aware of the thickness of the needle gun valve

A Cadet should be aware that there could be a leak in the cowline of a needle gun

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

Starboard quarter is given by D on the figure

Starboard quarter is given by B on the figure

Starboard quarter is given by C on the figure

Starboard quarter is given by A on the figure

There are strict rules governing the placement and category of electrical equipment allowed in certain areas of liquefied gas carriers. One such category is that of flameproof enclosures. What is a flameproof enclosure?

One in which the equipment has such low electrical power that there is insufficient energy to ignite a flammable mixture and cause a flame.

One which can withstand the pressure build-up during an internal ignition of a flammable mixture and is designed to cool any flames occurring within the enclosure to below the ignition temperature.

One which is filled with inert gas to prevent formation and possible ignition of a flammable mixture.

One which is maintained under positive pressure so preventing the formation of a flammable mixture.

What name is given to the rotating jet water outlets on a tank-cleaning machine that is used on an oil tanker?

Distributors.

Nozzles.

Turbines.

Ejectors.

Why is ethylene glycol added to the L.P.G. compressor cooling water system?

To prevent the water from freezing.

To better regulate the cooling-water temperature.

To give corrosion protection.

To prevent the water from boiling.

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

According to ISGOTT, flue gas that is produced by the burning of a fuel oil that has a high sulphur content will typically contain which of the following amounts of sulphur dioxide?

850 ppm

200 ppm

2,000 ppm

4,000 ppm

After carrying petcoke why would the discharge of cargo hold washing have to be restricted?

Because the cargo residue may not pass through the ship’s bilge system

Because the cargo hold washing would constitute an Oily Mixture

Because the cargo hold washing would constitute a Marine Pollutant

Because the cargo residue may damage the ship’s bilge system

What has the cadet been ordered to do?

The Cadet has been ordered to to dismantle the evaporator

The Cadet has been ordered to test the steering gear

The Cadet has been ordered to help the Bo's'un sandblast the poop deck

The Cadet has been ordered to paint the evaporator using a paint brush

What measures should be taken in order to avoid flammable gases forming on top of coal cargoes on a Bulk Carrier?

Ventilation to be continuous?

Ventilation to be carried out as indicated in the IMO solid Bulk Cargo Code

Cargo to be ventilated by opening hatch covers at sea?

Cargo not to be ventilated?

There is a permanently mounted mixer in the galley. It breaks down. What should the galley staff do about it?

The Cook should immediately place an order for a replacement unit to be delivered at the next port.

The catering staff should say nothing and hope that one of them can fix it before anyone notices.

They should report the defect through the proper system on board, isolate the power supply and place a notice on the mixer stating that it should not be used.

The catering staff are fully responsible at all times for galley equipment, so should fix it themselves and get it working at the earliest opportunity.

A producer is attempting to reduce costs by packing his fruit in cheap, poor quality cardboard cartons. Which of the given options would be the most likely outcome of using inferior quality cartons for packaging of perishable cargo for carriage in a refrigerated vessel?

The cartons may tear when being handled by the stevedores.

The cartons are more likely to be water damaged by a rain shower.

The lower rows of cartons in the stow will collapse and cause crush damage to the cargo.

The cartons will be a poor advert for the producer.

You are in charge of a night bunkering operation. The delivery rate from the supplier is high and you are filling six tanks simultaneously. You loose track of the progress of the operation and feel that you are loosing control of the situation. What action should you take?

Stop bunkering, and establish facts, before bunkering is resumed

Request a reduction in the delivery rate to try and gain some time.

Prepare yourself and the crew for an overflow.

Open more tanks to slow down the filling rate of individual tanks.

Why should boiler sootblowers normally only be operated in the correct sequence?

To minimise loss of steam pressure

To ensure soot is cleared progressively from the bottom tubes to the top and toward the boiler uptakes.

To avoid excess stress in the boiler.

So that the operator does not forget which sootblowers have been used.

What is the purpose of the flame scanner or 'magic eye' fitted to the burner unit of oil or gas fired steam boilers?

To check the colour of the flame.

To control the combustion air supply to the boiler.

To check that the flame is present during start up or normal operation of the burner; if not then fuel is shut off automatically.

To check the colour of the exhaust gas from the furnace.

Why could container lashings, secured to a lashing bridge, part during heavy weather?

Because container lashings are not designed for use in heavy weather

Because the hatch covers and lashing bridge could move, during heavy weather

Because the hatch covers could move during heavy weather, whereas the lashing bridge will not

The 'Critical Temperature' is important when dealing with liquefied gas cargoes. What is the IMO Gas Codes' definition of the term 'Critical Temperature'?

It is the temperature at which vapours from a liquefied gas cargo will self-ignite.

It is the temperature above which a gas cannot be liquefied by pressure alone.

It is the temperature at which liquefied gas cargoes give off flammable vapours.

It is the temperature at which a cargo of liquefied gas must be carried.

A 3-phase induction motor is rated at 200 A Full loadline current. Its initial direct- on-line starting current will be approximately:

5000 A

1000 A

200 A

100 A

What is ‘Standardized Cargo’?

Palletised cargo

Cargo for which the ship is provided with an approved securing system

Cargo that is shipped in standard dimensions

Breakbulk cargo

Although not a requirement of the IMDG Code, on a container vessel, why would carrying Calcium Hypochlorite under refrigeration be a benefit?

To maintain a continuous air flow through the cargo.

To prevent the cargo temperature increasing into the danger zone.

To ensure the cargo is shipped in a clean container.

To maintain a record of the temperature of the cargo.

The thermal conductance capability is expressed by a materials thermal conductance number and states the heat quantity. What is the denomination for heat quantity?

Enthalpy.

Joule.

Calorific value.

Watt.

How does the Master want the tug secured?

The Master wants to secure the tug using two backsprings

The Master wants to secure the tug using two breast lines

The Master wants to secure the tug using one head line and one stern line

The Master wants to secure the tug using two head lines

Maintenance of lifeboats and davit arrangements is routine work onboard. Why should you not carry out this type of work alone?

There might be a risk of falling even though harness and lifeline is used. A second person should always stand by to assist with tools etc. and other practical arrangements.

If you need something to drink, the second person can get it for you

It is boring to work alone and you should be able to chat with colleagues while working

If the person working on the lifeboat falls over board, the second person can lower the lifeboat and prepare pick-up immediately

What is the principal ingredient in Risotto?

Pasta.

Seafood.

Rice.

Green vegetables.

What should be the breaking stress of lashing belts used to secure light vehicles, on board a ro-ro vessel?

3.0 to 3.5 tonnes

1.2 to 1.5 tonnes

2.0 to 2.5 tonnes

4.5 to 5.0 tonnes

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

Measurement of oil cargoes is often achieved with a "UTI" device. What do the letters "UTI" stand for?

Uniform Tank Indicator.

Uncorrected Tank Innage.

Ullage Topping Instrument.

Ullage Temperature Interface.

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.

What are the operational requirements for a fast rescue boat?

It shall be transferable on each side of the vessel

There is no requirement for a launching appliance

It shall be served by a launching appliance to launch and retrieve the boat in still conditions

It shall be served by a suitable launching appliance to launch and retrieve the boat even under severe adverse weather conditions

Use Kirchoff's voltage law and Ohm's law to calculate the voltage V(2) across the resistance R(2).

0,75 V

2 V

4,5 V

6 V

Do we have to enter "internal transfer of cargo" in the Oil Record Book?

Only if case of overflow.

No.

Only if cargo contain H2S.

Yes.

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.

"Your ship security plan must include procedures for responding to security threats, auditing security activities and interfacing with the port facility."

FALSE

TRUE

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).

A walk-in refrigerator has been out of use for several weeks and needs cleaning. It has been closed for a long time because there is a suspicion that there may be a small gas leak from the cooling system. What should you do?

Hold your breath as you enter, locate the gas leak and stick a bit of tape over it.

Seek advice from ther ship's safety officer who will perform a risk assessment and advise on any precautions necessary.

Nothing special - it's only a refrigerator and everything will be OK.

Get someone to come inside the refrigerator with you.

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 statements concerning an accidental oil spill in US waters is true?

The person in charge must report the spill to the US Coast Guard

A warning broadcast must be made by radiotelephone (VHF)

The Corps of Engineers is responsible for the clean up of the oil spill

The Department of Interior is responsible for the clean up of the oil spill

Electric ozone generators are sometimes used to remove residual odours from refrigerated cargo spaces. Which of the options given is the additional action required to ensure the operation is successful?

The cargo space should be cooled down using the refrigeration plant.

The cargo space should be fumigated.

The fans should be run continuously in the cargo space.

The source of the odour must be located and removed.

Where would you look for a summary of important safety and handling information on a cargo loaded on your ship?

The Material Safety Data Sheet

The Company Cargo Handling Manual

The IBC Code

The Master's Standing Orders

An inspection in the amidships area of the weather deck of a Panamax container vessel has revealed cracks in the hatch coamings. Which part of the vessel should now urgently be inspected.

Transverse bulkhead beneath the bridge front.

Longitudinals in the double bottom tanks in the amidships half length of the vessel.

Transverse bulkhead immediately aft of the engine room.

Stiffening in the forepeak tank at approximately water line level.

It is the Masters responsibility to ensure that

All information reagrding the onboard training is given to the ship manager

safety equipment is not used during the training

All personnel participate in the training at the same time

concerned personnel carry out the on-board traing progamme effectively

"From the list below, which is among the recommended actions for a vessel to take, on entering an area known for pirate activity?"

To transit with maximum safe speed

To transit at night time only

To turn off all lights

To confine all ship’s personnel to one room onboard

What are the requirements for heat exchangers that are used for heating the cargo during cargo handling operations on an LPG carrier?

The only requirement is that they must be designed and tested to tolerate minus 48 degrees C

They must be designed to withstand temperatures of minus 162 degrees C.

The only requirement is that they must be able to raise the cargo temperature to above 10 degrees C for transfer to shore storage tanks.

They must be designed to withstand the expected operating conditions with respect to pressure and temperature and the materials must be compatible with the cargo.

The Classes drawn up by the UN Committee of Experts for the safe handling of hazardous substances, as listed in the IMDG Code, are drawn up on the basis of which of the following criteria?

Chronological order in which they have been assessed.

Selective laboratory tests commissioned by the Committee.

Alphabetical order.

The type of hazard they present.

The main engine is running steady with an average exhaust gas temperature of approximately 350° C. What would be a typical alarml/slow down setting for the cylinder exhaust gas temperature deviation from the average?

+/- 80° C

+/- 10° C

+/- 50° C

+/- 30° C

What is the main effect on lubricating oil of operating for long periods at excessively high temperature?

It will change the flashpoint of the oil.

It will cause the oil to oxidise, reducing the viscosity.

It will cause the oil to oxidise, increasing the viscosity.

It will cause the oil to evaporate, increasing consumption.

LNG cargoes are carried at temperatures well below ambient conditions. Which of the statements given in the options best describes how the low temperatures which are necessary are maintained during a normal loaded voyage?

The cargo tanks are fully insulated.

Most LNG carriers are fitted with reliquefaction plants.

The cargo tank pressures are maintained below atmospheric conditions.

The cargo tanks on LNG carriers are made of very thick metal.

At what temperature should Intermediate Fuel Oil (IFO) 180 be maintained so as not to damage a bulk cargo of grain?

Between 40°C and 45°C

Below 35°C

Between 30°C and 35°C

Between 35°C and 40°C

Bananas form the largest proportion of fruit transported by sea. There are many varieties of banana. Which of the types given in the options is the most common type of banana that is transported by sea?

Mysore

Lady finger

Silk

Cavendish

The fuel consumption for the main engine is calculated using the readings from the supply and return flow meters which are of the positive displacement type. When compared to the quantities calculated from tank soundings and calibration tables and indicated on the contents gauges the consumption appears consistently high. Which of the options given is the most likely cause of this discrepancy?

The supply flow meter is giving too high a reading due to internal wear.

The tank calibration tables are incorrect.

The tank contents gauges are calibrated for the wrong fuel type.

The return flow meter is giving a low reading due to internal wear.

What damages a ship’s cargo holds?

Ship's vibrations

Heavy weather

Repeated stresses at a particular location

What is the optimum cargo lashing angle against sliding?

Around 20?

Around 25?

Around 30?

Around 35?

For what purpose do we have booster pumps on the cargo discharge line onboard gas carriers?

On gas carriers we have booster pumps on the cargo discharge line to increase the discharge pressure and reduce the cargo temperature.

On gas carriers we have booster pumps on the cargo discharge line to increase the discharge line pressure above shore back pressure.

On gas carriers we have booster pumps on the cargo discharge line to easily reduce the flow and pressure to shore line.

On gas carriers we have booster pumps on the cargo discharge line to increase the discharge rate to shore.

What would affect the proper functioning of a bridge fitting?

Pitting

A fully extended spindle

Lack of grease

Buckling

Does OPA90 apply to vessels engaged in carrying liquefied gas?

OPA90 applies only to oil tankers.

OPA90 applies only to non-American flag vessels.

Only if the vessel carry HC-products.

OPA90 applies to all ships.

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

The circuit consists of two inductors, L(1) = 6 H and L(2) = 12 H, in series. Calculate the equivalent total inductance.

L(S) = 18H

L(S) = 0.5 H

L(S) = 1,5 H

L(S) = 4H

What measures regarding ship stability should be taken in order to make passenger ships able to withstand critical damage?

Damaged stability to be increased by weight redistribution.

Avoid overloading the ship

Damaged stability to be increased by use of water ballast

Maintain sufficient intact stability

You have just completed discharge of a cargo of Iso-Butanol and are preparing for tank cleaning. The pumpman is going round the deck checking the cargo pump cofferdams for any leakage of hydraulic oil or cargo. What term is applied to this procedure?

Proving.

Stripping.

Venting.

Purging.

What kind of cargo pumps is most common on LNG carriers?

Deepwell pumps.

Single stage deepwell pumps.

Submerges motor pumps.

Multistage deepwell pumps.

The IMO Gas Carrier code defines liquefied gases, of which LNG is an example, as those gases with absolute vapour pressure greater than 2.8 bar at a certain reference temperature. What is the reference temperature used in the definition?

15.8 degree C.

37.8 degree C.

100.0 degree C.

25.7 degree C.

What is the minimum length of rubber insert when replacing a damaged section of the hatch cover seal?

250 mm

200 mm

275 mm

500 mm

A small consignment of dangerous goods is to be loaded on deck of a General Cargo ship; choose from the following stowage position which is the most suitable ?

The aft end of No 2 Hold

The forward end on No 2 hold

The aft end of No. 4 hold

On top on No 1 hold

Under what circumstances may a watch-keeping engineer undertake other duties?

A watch-keeping engineer may undertake other duties when the ship is at sea and the weather calm

A watch-keeping engineer may undertake other duties when the main propulsion controls are in manual operating mode

A watch-keeping engineer may undertake other duties when the main propulsion system requires constant supervision

A watch-keeping engineer may undertake other duties when he has been properly relieved of his watch-keeping duties

When considering the successful delivery of a perishable cargo, select, from the options given, the thing over which the carrier has least control.

Relative humidity in the hold.

Carriage temperature.

Gas content in the hold atmosphere.

Commodity condition.

With regard to portable fire-fighting equipment on ro-ro decks, what must be ensured upon completion of cargo loading operations?

The equipment must be lashed so as to prevent accidental movement

All items of equipment must be in the designated position

Water applicator nozzles must be moved away from vehicles’ exhausts

Fire extinguishers must be moved away from vehicles’ exhausts

The oils used for medium and high speed diesel engine lubrication usually have alkaline additives which give the oil a Total Base Number of about 30 to 40 mg KOH/g. Why is it necessary to have such a TBN for these oils?

To counteract the effects of fuel leaking into the crankcase.

To allow operation of the engine on a variety of fuel types.

To increase the load carrying capacity of the oil.

To neutralise the acids formed during combustion.

Passenger ships shall either carry automatically self-righting liferafts or canopied reversible liferafts. What does it mean that a liferaft is automatically self-righting?

The liferaft will automatically turn back into an upright position when it is empty of people

One person can manage to turn the liferaft back into an upright position

The liferaft will automatically turn back into an upright position when it is fully loaded with people

It means the same as self-righting lifeboats

A cargo of frozen chicken is being presented for loading into a conventional reefer vessel. Which of the options given is the most appropriate packaging method that should be used for such a cargo?

It should be wrapped in plastic and stowed loose.

It should be packed in cardboard cartons.

It should be packed in wooden cases.

It should be packed in plastic sacks.

How should the hook be released from a davit lowered liferaft?

Just prior to reaching the water, the lanyard should be pulled. This sets the hook which will automatically release once the raft is waterborne

Wait until the raft is waterborne, then pull the lanyard

Unscrew the shackle pin

Cut the weak link on the wire with the axe provided

When you join a new ship, how are you informed about safety rules, alarm instructions and your own duties in case of an emergency?

By muster lists exhibited in conspicuous places

By oral instructions by the Captain

By alarm instructions in all crew cabins

By folder distributed to each crewmember

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

Ask one of the deck officers

No fixed number as it depends on the people-s size

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

Fill the boat up until no more space is left.

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