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

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

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Тест состоит из случайных вопросов по выбранной теме.

Вопрос 1 из 90

When cleaning cargo tanks with portable machines, how is the machine grounded?

The water jets impinging on the vessel-s structure form a pathway to ground.

Bonding wires are secured from the machine to a convenient location on deck.

The water supply hoses contain internal wires that act as conductors

The machines must maintain physical contact with the deck at the Butterworth opening.

Who is responsible for the number and the position of any tugs to be used during a mooring operation?

The Master, with consideration of the advice of the pilot

It will be only the wind speed that will determine the required number of tugs and how they are used.

The Port Authority will dictate the tug requirements and their use within the port limits

The Pilot is fully responsible for the number and use of tugs within the port area

Your vessel is going alongside a pier. Two tugs will assist at the mooring. How would you use the tugs, and at which position?

Pushing on ship-s flat side and make fast in the vessel for pulling if needed

One made fast forward for pulling, one pushing aft

Fast FWD and AFT in center lead

Pushing on ship-s flat side not made fast to be able to move in best position if needed

You are approaching shallow water with an Under Keel Clearance of 15%. What speed should you have when entering, and when should you slow down?

About 6-7 knots, slow down 30 minutes before entering

Reduce to slow or less in due time before entering

About 10 knots, slow down 15 minutes before entering

Maintain normal sea-speed, no need to slow down

Where can a ship expect piracy to take place?

At the south end of the Red Sea

In American waters

All over the world

In Far East waters

Messages which aren’t intended for own ship farther:

Don't know

must not be received

must not be passed on

must be noted in the radio journal

What transmitting equipment as a rule is not allowed for us in territorial waters:

Inmarsat-C transmitters

Inmarsat-A transmitters

Don't know

MF-transmitters

MF radio signals mainly propagate mainly:

through hops between ionised layers and the earth

Don't know

between the earth and satellites

along the curvature of the earth

The ship is involved in a collision, what is the immediate action by the Officer of the Watch after the incident has taken place?

Call the Master and check the position for any immediate dangers.

Stop engines and check over the side for any signs of pollution.

Sound the General Alarm and stop engines.

Contact the other ship and send the bridge lookout down to start taking soundings

On a bulk carrier which is to load sugar, which of the following situations would result in the cargo holds failing inspection?

Hardened rust spots on the lower bulkhead stool and hopper tank plating

Rust-stained tank top plating

Traces of insect infestation in the bilges

Hardened rust spots on shell plating

From the statements given in the answer options, choose the one which is most accurate in relation to the operation of water-tube boiler and fire-tube boilers.

A watertube boiler can tolerate a short period of time without any water when the burner is operating.

A firetube boiler has a much better capability to work at higher steam pressure.

Water-tube boilers are more efficient and generally contain less water than fire tube boilers. They are prone to major damage when run dry during operation.

A firetube boiler does not require a non-return valve in the feedwater line.

Checking the lubricating oil sump level of the generators is one of the engine watch ratings regular duties on a particular vessel. During the check it is noticed that the oil level is unexpectedly below the minimum mark on the dip stick. What action should be taken?

The rating should fill the sump to above the operating level in case there is a leak and the oil level drops too low before the next check.

The rating should stop the generator immediately.

The rating should just fill the sump back to the normal operating level.

The rating should fill the sump to normal operating level and immediately inform the engineer on watch.

What will alarm cargo receivers to the possibility of cargo damage on a Bulk Carrier?

Commencing discharge without presentation of bills) of lading

Disallowing cargo interests on board

Commencing discharge in the absence of a cargo surveyor

The presence of hatch cover sealing tapes

Metal particles are found on the magnetic element of the main turbine lubricating oil filter. Which of the options is the most likely source of these particles?

Damaged reduction gearing.

Damaged blades on turbine rotor.

Damaged rotor journal.

Damaged rotor bearing shell.

What is known as "cargo sweat" on a Bulk Carrier?

Condensation of moisture directly onto the ships structure

Condensation of moisture directly onto the cargo

Condensation of moisture onto the ships structure and cargo

Heating of cargo

What is shown in the attached image?

The attached image shows derricks

The attached image shows deck cranes

The attached image shows grabs attached to deck cranes, during cargo opertions

The attached image shows grabs attached to derricks, for cargo opertions

When discussing oil tanker design, what do the letters "VLCC" stand for?

Variable Level Cargo Container

Very Large Crude Carrier

Virtual Loss (of) Cargo Capacity

Very Large Combination Carrier

Most medium and high speed engines for marine use operate on the four stroke cycle and use direct admission of compressed air into the cylinders for starting purposes. During which part of the cycle does start air admission normally take place?

The first part of the air induction stroke.

The latter part of the expansion (power) stroke.

The latter part of the expansion stroke.

The first part of the expansion (power) stroke.

On a Container vessel, if there are isolated stacks of containers at bay 12, off-centre at bay 04 and at the extremity of bay 06, which of these stacks will require wind lashings?

Only the containers at bay 12

None

The stack at bay 06

All three

When a large motor load suddenly is disconnected from the switchboard and the generator is AVR controlled, what will the ouutput voltage do ?

Remain approximately constant, due to governor action.

Initially rise, then reset to the set value.

Remain approximately constant, due to AVR action.

Initially fall, then reset to the set value.

How often shall drills for the operation of watertight doors, side scuttles, valves and closing mechanism of scuppers, ash-chutes and rubbish chutes take place in passenger ships?

Every month

Weekly

Daily

Every two weeks

Before leaving the machinery spaces of a UMS vessel after routine watchkeeping rounds in the evening, the duty engineer inspects the doors to Fuel Oil Treatment rooms which are covered by a fixed fire fighting installation. For what purpose does he do this?

Remove the auto closing device so they remain in whatever position they were.

To tie them open with a rope to prevent the heat from building up inside, and making it uncomfortable to work.

To make sure that they are properly closed with the self closing device so that any fire is contained and the extinguishing medium can be released without delay.

Wedge them open with an arrangement which allows them to be closed quickly in the event of a fire.quickly.

What is the two letter signal, to be used by flags, radiotelephony or radiotelegraphy, meaning "Calling All Ships".

Where is the normal position of the "Pivot Point" of a vessel when going astern?

Amidships

1/3 of the vessel's length from the bow

Between 1/4 of the ship's length from the stern and the rudder post

Between amidships and 1/4 of the vessel's length from the bow

Before each cargo tank is crude oil washed (COW) the oxygen content must be determined at?

A point 1 metre below the deck and at a point 2 metres above the bottom..

A point 1 metre below the deck and at the middle level of the ullage space.

A point 2 metres below the deck and at the middle level of the ullage space.

What is the definition of an "independent" cargo tank?

One which can be loaded with hazardous liquid chemicals that can not be carried in integral cargo tanks.

One which is not subject to the requirements of the IBC Code in respect of the loading and carriage of hazardous liquid cargoes.

One which is not contiguous with, or part of the hull structure.

One which forms part of the ship's hull and structure and which is normally essential to the structural completeness of the ship's hull.

A refrigerated container is loaded on deck. On inspection it is noted that the door seals are damaged. Select, from the options given, the main reason why it is unacceptable to have a refrigerated container in such a condition.

If the door seal is damaged the cargo packaging may become watermarked.

If the door seal is damaged the cargo may spoil due to ingress of warm air.

The refrigeration unit will run for more time than is normal.

The refrigeration unit will ice up to a greater extent than normal.

What would it mean if a dangerous cargo was declared as Class 3 (sub risk Class 6)?

The main hazards are flammability and toxicity

The main hazard is toxicity and the secondary hazard flammability

The main hazard is flammability and the secondary hazard toxicity

The secondary hazards are flammability and toxicity

The figure shows a cross section through a ship floating in water, with the hull in red and the seabed below the ship shaded. On the figure there are four (4) possible definitions of the term "FREEBOARD" given. Which one is the correct one?

Freeboard is given by B on the figure

Freeboard is given by C on the figure

Freeboard is given by A on the figure

Freeboard is given by D on the figure

Every oil tanker of 5,000 tonnes deadweight and above delivered on or after 1 February 2002 shall comply with intact stability. What is the minimum GM (metacentric height) when the vessel is in port?

Not less than 0.015 m

Not less than 0.25 m

Not less than 0.10 m

Not less than 0.15 m

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 are the requirements for the number of portable gas measurement instrument(s) on tankers?

At least one instrument for measuring %LEL and one instrument for measuring volume %

Sufficient number of instruments.

At least 2 portable instruments for measuring flammable vapours.

At least 1 portable instrument for measuring flammable vapours.

Which of the following could cause a “flareback”

opening air registers too quickly

trying to ignite burner from hot brickwork

oil pressure too high

oil temperature too high

Anyone who violates the provisions of Norwegian law or the provisions of regulations laid down by virtue of Norwegian law, relating to contract of engagements and account book, to notification to, appearance before, or to the taking of evidence, shall be liable to????

Fines.

Imprisonment for a term not exceeding six months.

Imprisonment for a term not exceeding three months.

Fines or imprisonment for a term not exceeding three months.

During the hose testing of hatch covers what is the maximum distance from which a jet of water must be directed onto each part of every hatch cover joint?

1.5m

1.8m

2.0m

0.5m

What is the first line of defence against ingress of water into a bulk carrier?

Pipe outlets

The shell plating

Machinery spaces

Hatch covers

On a Ro-Ro vessel what would be the effect of a small GM?

An adverse affect on seaworthiness

A slow roll period

A quick roll period

Resonant rolling

Which factor influences the pumping capacity (flow) of a centrifugal pump the most?

Total pressure head

Liquid density

Suction pressure

Liquid temperature

Which of these situations will not result in an emergency shutdown of cargo operations?

Failure of the hold ventilation system

The vessel developing and sudden and unexpected list

A blackout on board

The loading ramp being lifted clear of the jetty

With reference to non-VIT diesel engine high pressure fuel pumps that have helix control, how is the timing of fuel injection normally adjusted?

By raising or lowering the pump plunger relative to the pump barrel.

By rotating the pump plunger relative to the pump barrel.

By changing the governor output signal.

By changing the opening pressure setting for the fuel injection valves.

Spray painting has been carried out in the engine room while the engine was running, and the turbocharger intake filter was not protected. Which one of the options given is most likely to result from this?

Scavenge air pressure lower than normal.

Exhaust gas temperatures lower than normal.

Scavenging air pressure is higher than normal

The revolution of the turbocharger lower than normal.

Which of the given options is the SIGTTO definition of the term 'span gas'?

A vapour sample of known composition and concentration used to calibrate gas detection equipment.

A gas, such as nitrogen, or a mixture of non-flammable gases.

Vapour removed from contact with its liquid and heated beyond its boiling temperature.

A phenomenon generated in a pipeline system when there is a change in the rate of flow of liquid in the line.

On capesize bulk carriers what problems are associated with welding of the corrugated bulkheads during construction?

Stress concentrations at the corners of the bulkheads

Cracking of cross-deck plating

A reduction in shear forces

Several areas of the bulkheads being 'out of tolerance'

What is the most important factor to be considered when planning the lashing system for a particular sea route?

The quantity and type of lashing materials

Transverse accelerations

The size and weight of packages/cargo units to be loaded

The breaking strength of lashing materials

When using a PID controller, which of the following parameter settings will not result in oscillation?

Temperature change

Too long D-time

Too high amplification

Too long I-time

The IMO Cargo Stowage and Securing Code (CSS) indicates in the 'Rule of Thumb', the total strength of the lashings on each side of a heavy lift; what is the stated value ?

The Maximum Securing load of the lashings must equal five times the weight of the cargo unit

The Maximum Securing load of the lashings must equal the weight of the cargo unit

The Maximum Securing load of the lashings must equal twice the weight of the cargo unit

The Maximum Securing load of the lashings must equal the 50% weight of the cargo unit

What should you keep in mind when releasing lashings?

Step aside when lashings are released

Close your eyes

Release lashings with great care to reduce the risk of injury when tension is released

Always use one hand!

Why is an automatic slow turning feature included in the start air system of many large 2 stroke diesel engines?

To avoid damage during start of the engine in case water or other liquid has gathered in the cylinders during an extended stop.

To fill the cylinders with sufficient fresh air to ensure a safe start of the engine.

To check that all indicator cocks are closed before staring the engine..

To reduce the start air consumption during start up of the engine.

Which of these actions should crew take if a suspicious object that may be a bomb is located during a search?

Cover the suspicious object with a box or blanket.

Place the object in a desk drawer or file cabinet.

Throw the object overboard.

Confirm with their search partner that the object found is suspicious.

If a fuel oil cargo is treated with an anti-static additive, how does this affect its conductivity characteristics?

It becomes an accumulator of static charge.

It becomes mildly magnetic for a time.

Its relaxation time after loading is extended.

It becomes a non-accumulator of static charge.

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

Bring a flashlight and put on safety shoes

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

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

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

A fully refrigerated liquified gas carrier, equipped with membrane tank with MARVS less than 0.7 bar and cargo temperature of less than -10 C. What type of barrier is required?

Complete secondary barrier.

No secondary barrier required.

Partial secondary barrier.

No barrier required.

What is lateral drag with reference to operations on a General Cargo ship?

Heel caused by a ship being pushed onto or pulled off a berth

Hull resistance when a ship is being pushed onto or pulled off a berth

Movement of cargo longitudinally across a vessel

The sideways movement of a heavy load after its weight has been transferred to the ship's lifting gear

Some perishable cargoes which are normally carried refrigerated can also be carried non-refrigerated even on a long sea passage. This requires that the commodity is suitably packed and correctly ventilated during transport. Select the option which correctly completes the following statement. "The type of cargo most suited for a sea passage under ventilation only would be…

…pineapples."

…grapes."

…strawberries."

…onions."

Through time the container stools on the weather deck / hatch tops of a container vessel can suffer from corrosion and wear down. Select the most dangerous consequence of ignoring this.

It may be difficult to fully lock the twistlocks.

The deck stool may collapse causing the lashings to go slack.

The container will not sit evenly on all four corners.

It may be difficult to remove the twistlocks during cargo operations.

Which of the following instruments is normally part of a control-loop

Transducer

Plotter

Gauge

Indicator

What should you take into consideration when discharging from the cardeck(s)?

Discharge the upper car decks first

Always discharge the cargo on port side first!

To discharge evenly from each side, to avoid heavy list

Discharge the lower car decks first

When long-handled pans are in use on the range, how should the handles be positioned?

Long handled pans are prohibited at sea. Only those with small grip side handles can be used.

They should be turned outwards, so they are accessible at all times.

They should be turned inwards, so they are not accidentally caught by people passing by.

They should be wrapped with wet cloths and the pans positioned on the back hot plates, so that they will be safe from passers by but can be picked up at any time.

Why is it necessary to have routine testing of the cooling water?

To trace leakage in the cooling water system.

To detect the presence of contaminants in the water that may be injurious to the cooling system.

To ensure that the proper residuals of treatment chemicals, as specified, are maintained all time.

t is not necessary.

During start up of a steam plant it is necessary to warm through the steam range prior to use. How should this warming through be carried out?

Open the bypass/warming through valve and then fully open the main stop valve over a period of two minutes to ensure the warming through is completed as quickly as possible.

Using the bypass/warming through line for the main stop valve and with all line drains open to ensure all condensate is removed.

With the line drains closed to avoid losing too much high quality water.

Crack open the main stop valve and keep the drains open.

You are having a blow-by on the main engine, but due to the circumstances, it is impossible to stop and do a piston overhaul. What is the correct action to take?

No action necessary.

Reduce speed temporarily and increase cylinder oil consumption.

Reduce speed.

Increase cylinder oil consumption.

Why is it not possible to wash all crockery and glassware in a dishwasher?

Because not all crockery and glassware is dishwasher proof.

Because plates and containers that have held raw meat and fish must not be washed together with plates and glasses that have been used for cooked foods.

Because coloured glass and crockery will not survive the high temperatures generated in a dishwasher,

Because Health and Safety regulations require that items above 30 cm (12") in diameter must be washed by hand.

What is the advantage of a transmitter with a narrow measurement range?

Do not need any calibration

Easy installation

Lower purchase cost

Better linearity and increased accuracy

What must be completed before the commencement of any transfer operation on an oil tanker?

The record of running hours of each cargo pump.

The log book entries for Immigration and Customs Clearance.

The Cargo Surveyor's time sheet.

The Safety Checklist or Declaration of Inspection.

What purpose has the discharge booster pump on a gas tanker?

The main purpose of booster pumps is to avoid overflow during loading.

The main purpose of booster pumps is to increase the manifold pressure.

The main purpose of booster pumps is to maintain the manifold temperature.

The main purpose of booster pumps is increase the tank pressure.

An unconscious casualty who is breathing, should be placed

In the face up position

In the recovery position

Sitting up position

Lying face down position

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

The office phone, fax, telex and after office hours telephone numbers can be found in:

Vessel health, safety and environment manual

Radio log book

The Ship's emergency contingency manual

Vessel operation manual

On a RoRo vessel, why are short lashings better than long lashings for ro-ro units?

Because ships' vibrations will not slacken short lashings

Because it is a cargo securing manual requirement

Because they're easily tightened and tensioned

A water heating system with automatic temperature control uses steam as the heating medium and the temperature is controlled by a pneumatically operated valve? What would be an acceptable start up procedure of the system from cold state?

Start with the control valve in manual and use the hand jack to gradually increase the temperature by throttling the steam flow before changing to pneumatic control.

Start the system up in manual mode and gradually increase the controller output signal until the temperature reaches the required value before changing over to automatic control.

Start the system up in automatic mode with normal set point but with the steam supply to the control valve manually throttled in.

Start the system up in automatic mode with normal set point so that the required temperature is achieved as quickly as possible.

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

Which food group contains the most calcium per 100 grams of edible product?

Vegetables

Dairy products

Meat

Fish

When is a visitor onboard required to present an ID?

Only on SECURITY Level 3

On SECURITY Level 2 & 3

Never

"On SECURITY Level 1, 2 & 3"

A temperature control system is exhibiting hysteresis. Checks on all of the system components show that they are functioning correctly. Which of the changes/modifications given in the options is most likely to correct this problem?

Fit a valve positioner to the system.

Fit a new temperature sensor with a narrower temperature range.

Increase the pressure of the air supply to the controller.

Slacken off the control valve gland.

Which push-button valve A, B or C must be pushed (operated) in order to obtain movement of the pneumatic cylinder S?

None

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.

The internal e.m.f. generated in the phase windings of a lightly loaded a.c. generator is controlled by:

The prime mover speed and excitation current.

The internal volt drop and the load current.

The internal volt drop and the residual magnetism.

The prime mover and load current.

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.

A refrigerated break-bulk cargo (not palletised) is being loaded into a space that it will not fill. From the options given select the one which gives the best way to finish the stow.

With a vertical face that can be secured by netting.

The stow should be stepped down progressively over several rows so that it is self securing.

With a vertical face that can be secured by plywood sheeting.

With a vertical face which can be secured with wooden tomming.

It is possible to operate two similar generators in parallel at equal power (kW) but at different power factors. The generator with lower power factor will run:

Hotter due to increased current

Cooler due to increased speed

Faster due to increased voltage

Slower due to increased current

Are all independent tanks self-supported?

Non cargo tanks are self-supported

Only independent tank type C is self-supported

Only spherical tank and cylindrical tanks are self-supported

All independent tanks are self-supported

Many gas carriers are designed to carry liquefied petroleum gas (LPG). How is LPG defined in the IMO Gas Codes?

LPG is defined as butane and ethane or a mixture of both.

LPG is defined as propane and butane or a mixture of both.

LPG is defined as propane and ethane or a mixture of both.

LPG is defined as propane and methane or a mixture of both.

Consider the situation sketched below. What can happen if the tugmaster is not careful?

The tug may be turned across your bow with the danger of being turned over.

The stern of the tug may be sucked into your bow.

The tug may be pushed away from the ship and thus unable to assist your vessel.

The tugmaster may loose control and ram your bow with possible damage to your ship.

Some new maintenance routines are being planned and a risk assessment is necessary so that the required procedures can be entered into the ship's Safety Management manual. Which of the following should be the first step in this risk assessment process?

Identify the safety precautions that may be necessary to prevent injury or harm to personnel carrying out the routines.

Identify who may be harmed or injured in carrying out the maintenance routines.

Identify the hazards that may exist which may affect personnel involved with the maintenance routines.

Identify how much it will cost to implement the necessary precautions to prevent injury to personnel.

This is a parallel L-C circuit with a curve showing frequency- impedance characteristics. Which of the formulae A to D will you utilize for determining the resonant frequency f?

fo = Pi*sqrt (L/C) / C

f o = 1 / (2*Pi* sqrt (L/C))

fo = 1 / (Pi*sqrt (1 - LC))

fo = 1 / (sqrt (1 - LC))

A vessel which normally operates with the engine room in UMS mode is unable to do so because of defects to some of the critical alarm functions. What are the main considerations that the Chief Engineer must take into account when planning alternative arrangements to cover the engine room requirements until the defects are cleared?

A work rota is established to ensure at least one person is in the engine room at all times while the defects exist.

A work rota is established to ensure that normal routine maintenance is carried out on time in accordance with the planned maintenance schedule.

A work rota is established to ensure that the necessary repairs can be carried out as soon as possible.

A work rota is established to ensure full coverage of engine room watchkeeping duties and adequate rest periods for the engineering staff.

On a Bulk Carrier, what should be done if the cargo loading rate exceeds the ballast discharge rate thereby affecting hull stresses?

Notify the port state authority with whom the loading plan has been lodged

Notify the stevedoring foreman

Notify the terminal representative

Lodge note of protest with the terminal

How do you express the accuracy of an instrument

In % of full scale and to least significant digit

In % of gauge readings and to least significant digit

In % of deviation and to least significant digit

In % of range and to least significant digit

When is it good practice to check the pressure-vacuum valves?

After cargo transfer operations

Prior to cargo transfer

Before the next dry-docking

During cargo transfer operations

As part of the decommissioning process for old reefer vessels they are sent to a recycling yard where any refrigerant remaining in the refrigeration system is dealt with. Which one of the actions given in the options needs to be carried out in preparation for delivery of a vessel to a recycling yard?

Discharge the gas to atmosphere prior to arrival to minimise handling costs at the recycling yard.

Make a careful note of the quantities of gas onboard and note this in the Ozone Depletion Record Book prior to discharging the gas into recovery bottles.

Make a careful note of the quantities of gas onboard and note this in the Ozone Depleting Record Book before discharging the gas to atmosphere.

Make a careful note of the quantities of gas onboard prior to arrival at the yard and note this in the Ozone Depleting Record Book.

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