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

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

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Тест состоит из случайных вопросов по выбранной теме.

Вопрос 1 из 90

A DSC-message of the “safety” category is received from another vessel on VHF channel 70. Conforming to the GMDSS rules, for the continuation of the safety traffic, you must change to VHF-channel:

Don't know

In radio-traffic with a coast-station, a “personal call” means that one wishes:

to have a telephone conversation with a person whose name is known

to request a telephone alert call

Don't know

to have a telephone conversation for account of a requested shore subscriber

A ship is not turning around the center of gravity, but another point. What is the point called?

Point of radius

Pivot point

Point of turning

Point of no return

What special safety measures are required by a seaman when working aloft on a stage?

Safety harness with a rope secured to a safe point above.

No special safety measures required.

A safety harness secured to the stage.

Helmet, safety shoes and gloves.

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.

Which of the following is a chemical commonly added to cleaning substances used to clean galley areas?

Bleach.

Beach.

Blanch.

Breach.

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.

The typical current gain of a common emitter transistor is

10-200

500-5000

1-1000

1-10

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.

To minimise the risk of damage what type of tools should be used to clean boiler burner tips?

Brass tools.

Steel tools.

Wooden tools

Any kind of tools that are available.

What would be a typical oil feed temperature for purifying heavy fuel oil in a centrifuge in order to ensure good separation?

105 - 108 Celsius.

95 - 98 Celsius.

85 - 88 Celsius

75 - 78 Celsius.

Your vessel is a tanker, discharging to a facility where the storage tanks are up on a hill behind the quay. You have a problem with your hydraulic plant and the system shuts down. What must be done with the manifold and why?

The valve must be checked as still open, so that once power is restored, discharge will resume and there will be no opressure build-up in the ship's pipelines.

The valve must be checked for free and proper operation, as it may have been damaged by a pressure shock when the system stopped.

The valve must be shut to avoid backflow due to the head of pressure from shore.

A watchman must be detailed to stand by it, to receive instructions from shore.

All necessary information for the next port of call should be:

Procured during the voyage prior arrival at the next port

Procured before departure from a port

Procured on arrival at the next port

Requested on email

What requires close attention during portable car deck inspections?

Safety markings

Load density markings

Abrasions over the decks' surfaces

Signs of cracks in way of deck supports

A heavy metal concentrate bulk cargo has a moisture content of 16 and a transportable moisture limit of 18, what should the Master do?

Request additional moisture tests to be done

Seek advice from charterers and owners

Refuse to load the cargo as the moisture content is outside acceptable limits

Load the cargo as the moisture content is within acceptable limits

On the bridge of a RoRo vessel, which of the following doors have no open/closed bridge indicator requirements?

Doors leading into the engine room

Hinged doors in watertight bulkheads

Shell doors and stern ramps

Sliding doors in watertight bulkheads

On a RoRo vessel, which of the ships trading certificates details the type and location that dangerous goods are allowed to be stowed onboard

The Cargo Ship Safety construction certificate

Safety Equipment certificate

Certificate of compliance for the carriage of Dangerous goods

You are testing the atmosphere in a cargo tank on an oil tanker, for the purpose of approving it as safe it for crew members to enter at the end of tank cleaning operations. According to the industry standard guidelines (ISGOTT), what measurements must be obtained before this permission is granted?

8% oxygen by volume and 0% hydrocarbon vapour concentration

21% oxygen by volume and less than 1% LFL hydrocarbon vapour concentration.

Minimum 17% oxygen by volume and not more than 1% LFL hydrocarbon vapour concentration.

21% oxygen by volume and less than 1% UFL hydrocarbon vapour concentration.

In a fresh water tank with a height of 5 meters we shall use a pressure transmitter for level measurement. The tank has a vent-pipe leading to deck 8 meters above the top of the tank. What pressure shall we use as a guidance when ordering the pressure transducer?

1,3 Bar.

2,0 Bar.

0,5 Bar.

0,8 Bar.

How are the various zones and spaces on an LNG carrier normally designated in relation to having cargo vapour hazard?

Gas-hazardous and Gas-safe.

Gas-filled and Gas-free

Gas-dangerous and Gas-safe.

Gassed-up and Gassed-down.

Cargoes of which of the following groups produce a particularly violent reaction when mixed with an equal quantity of water?

Acids.

Acrylates.

Glycols.

Caustics.

What are some of the precautions that must be taken on a bulk carrier, before double - bottom tanks can be ballasted with sea water?

After peak tank and fore peak tank filled first

Correct valves opened, air ventilators open and ballasting plan agreed.

Cargo spaces empty of cargo

All hatch covers secured for sea

What is the endless piece of rope used extensively for the slinging of cases or bales, called?

Bale sling strop

Rope snotter

Endless sling

Cargo net

What is a low location lightning system?

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

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

An illumination system for all corridors in cabin areas

On a Container vessel, what facilitates the lashing of containers in the fourth and fifth tiers?

Long lashing rods with extensions

The lashing bridge

Long lashing rods

Raised deck platforms

It is important to know about alternative escape routes because?

You should never use normal exits in an emergency.

It is always the fastest way out.

You should always use alternative escape routes in an emergency.

Normal escape routes may be unavailable.

When ballasting operations are about to start on a bulk carrier, what important checks must be made?

That all air pipes are open and that the pipeline and valve system is correctly set up

That the vessel is even keel and upright

That the cargo operations are completed

That the hold bilge system has been cleaned and the access ladders checked

Which function is this circuit performing?

Modulating

Differentiating

Telemetering

Integrating

What is the main purpose of routine testing of cooling water?

To ensure that the proper residuals of treatment chemicals, as specified, are maintained at all times

To detect dissolved oxygen in the water

To measure the pH - value of the water

To detect presence of contaminants in the water

A conventional reefer vessel operating a Controlled Atmosphere (CA) is approaching the port of discharge in Northern Europe. Which is the most suitable action to take from the options given?

Turn off the CA plant just prior to the start of discharge operations.

Continue to apply CA throughout the discharge to maintain the condition of the cargo.

Continue to apply CA until the hatches are opened to maintain the condition of the cargo.

Turn off the CA plant and thoroughly ventilate the cargo spaces under CA with fresh air just prior to arrival.

Why are the L.P.G. compressors of "Oil Free" type design?

To prevent contamination of the cargo.

To prevent low oil pressure during start up.

To prevent carbonising of the valves.

To prevent contamination of the lub oil.

What percentage of the ship’s stores are required to be inspected at Security Level 3?

25-50% of the ship's stores are required to be inspected at Security Level 3.

5-20% of the ship's stores are required to be inspected at Security Level 3.

50-80% of the ship's stores are required to be inspected at Security Level 3.

100% of the ship’s stores are required to be inspected at Security Level 3.

Apart from the shipboard emergency plan where will you find more detailed procedures for fighting container fires?

In SOLAS '74

In the ship’s fire plan

In the EmS Guide of the IMDG Code

In the SOPEP manual

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

How is the temperature of the high temperature circuit of a central cooling system normally controlled?

By controlling the bypass of flow for the central coolers.

By increasing the flow rate through the main engine cooling circuit

By controlling the flow through the fresh water evaporator heating circuit.

By mixing with water from the low temperature circuit.

Earlier cellular reefer vessels were constructed with a 'porthole system' for supplying refrigerated air via ducting to containers. Modern vessels are designed to supply only electrical power to integral containers. Select the main reason for this change in design to the vessels and containers from the options given.

A large amount of refrigerant gas was required to operate the 'porthole' system.

The introduction of more powerful diesel engines onto these vessels meant they had sufficient electrical capacity to supply the integral type containers.

Ducted containers had to be transhipped to their final destination after discharge and still required refrigeration for that part of the supply chain

The 'porthole' system design was extremely complex and construction costs were high.

Hydrogen Sulphide in crude oil and certain other oil products is most obviously associated with problems of vapour inhalation, but which of the following is also a serious problem associated with this component, particularly in high concentrations?

Settling and layering.

Polymerisation.

Corrosion.

Acid build-up.

When washing a cargo hold of a bulk carrier prior to loading a cargo of steel products, why is the space washed down with salt water and then fresh water?

To maintain safe access by hold ladders

To assisting in drying the hold space

To prevent damage to paint coatings

To remove all traces of salt that would possibly contaminate the cargo if water drops onto the cargo

What should one consider prior to loading machinery with caterpillar crawlers on the hatch covers?

The horizontal restraint of hatch covers

The horizontal restraint of hatch coamings

Maximum permissible loading of the hatch covers and the horizontal restraint of hatch covers and coamings

Maximum permissible loading of the hatch covers

Which of these statements is incorrect with regard to Ro-Ro cargoes?

Stowage on deck is recommended when ventilation for a particular package is not required

Stowage on deck is recommended when constant supervision is required

Stowage on deck is recommended when there is a substantial risk of the formation of explosive gas mixtures

Stowage on deck is recommended when access to a particular package is required

Why is it necessary to cool down LNG cargo tanks slowly prior to loading cargo?

To minimise the risk of creating a vacuum in the tank.

To minimise thermal stresses in the cargo tank.

To prevent ice forming in the cargo tank.

To minimise thermal stresses in the hull.

What is the minimum permissible distance measured horizontally between the ship's shell plating and the outer side bulkhead of the first cargo compartment on a type II chemical tanker?

Not less than moulded breadth / 5.

Not less than 1250 mm.

Not less than 760 mm.

Not less than moulded breadth / 15.

The exhaust gas is too dark because of:

Any of the others.

Faulty fuel injection pumps or valves

Some cylinders is overloaded

Inlet or exhaust valves are leaking

What is a "ladle"?

Part of a Steward's uniform.

A big spoon.

A type of bread roll.

A Mediterranean vegetable.

What is the main reson for keeping engine lubricating oil viscosity within recommended limits?

To neutralise any acids that may form.

It is not important

To ensure the strength of the oil film is sufficient to keep lubricated surfaces apart.

To reduce system pressure losses.

The range of a transducer is 0-200 bar. The standard output signal is 4-20 mA. What is the output signal when the process value is 100 bar.

24 mA

4 mA

10 mA

12 mA

Before loading operation starts, what shall you as duty officer observe?

The hoistable decks in correct positions and stanchion-guard placed where needed?

The angle on the stern ramp in order?

Leave everything to the crew?

Physical checking the ramp/cargo holds/hoistable decks and see that everything are in order and the ship-s gear correctly located?

On a RoRo vessel, what should be done when cargoes that transmit stack loads are to be loaded onto the vessel's decks or hatch covers?

Weld additional steel plates to the deck and/or hatch covers where stack loads are transmitted

Load the cargo under-deck instead

Stow the cargo on timbers of sufficient thickness so as to distribute the stack load

What is the Maximum Securing Load of high tensile steel chains?

35% of the breaking strength

40% of the breaking strength

25% of the breaking strength

30% of the breaking strength

Which of the following is the correct English spelling?

Ingreedients.

Ingrediants.

Ingriedients.

Ingredients.

On routine daily inspection you notice that there is a light arcing between an alternator's carbon brushes and rotor sliprings, with alternator operating at 70% load. Should you:

Check the surface of the sliprings, polish if necessary and bed in the brushes

Clean up and increase the tension on the brushes

Move the position of the brushes around the sliprings to find the correct neutral position

Reverse the polarity of the excitation voltage at the brush holder connection

Following overhaul of the cylinder units of a 4-stroke diesel engine and a suitable running in period it is noted that the lubricating oil consumption of the engine has increased considerably and unexpectedly. The engine is otherwise running normally. Select, from the options given, the most likely cause of this problem.

A piston crown has burnt through

The oil control ring has been fitted incorrectly.

The piston rings have worn rapidly.

The cylinder liner has worn rapidly.

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.

Some engine manufacturers recommend that washing of the compressor side is not carried out. Is this due to;

The thermal shock exhibited by the vanes.

The nozzle ring becoming corroded.

Greasy sludge from the compressor sticking between the fins in the air coolers, necessitating extra cleaning of these.

Large volumes of water being carried over into the cylinders of the engine.

A medium speed diesel engine, operating on heavy oil has suffered repeated exhaust valve failure. Upon inspection damage is noted on the underside of the valve resulting in some cases in holes passing through the valve even though the seating face appears hardly damaged. Which of the given options is the most likely cause of this type of damage?

High temperature corrosion due to high vanadium content in the fuel oil.

Failure of the valve rotators causing distortion of the valve seat.

Incorrect tappet (rocker arm) clearance preventing the valves from closing properly.

Cold temperature corrosion due to high sulphur content in the fuel and incorrect grade of cylinder lubricating oil.

What is the meaning of "make fast"

To secure a rope

To coil a rope

To avoid all meals

To act quickly

There are a number of different designs of tanks used for the cargo containment systems for liquefied gas carriers including independent tanks. How many different types of independent tanks are there in the IMO Gas Codes?

There are three types of independent tanks; Spherical tanks, Membrane tanks and Prismatic tanks

There are three types of independent tanks, type A, B and C

There are two types of independent tanks; type 1 and 2

There is only one type of independent tanks; Spherical tanks

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

What will happen if a centrifugal pump is not fitted without a non-return valve on the delivery side?

The pressure above the pump will be extremely high.

The capacity will be reduced.

It will give full back flow at the time the pump stops.

Nothing special will happen.

The engine RPM drops because of:

Fuel oil pipes or filters are clogged.

High lubricating oil temperature.

Leaking exhaust valves.

Bad fuel oil quality.

Which of the following symptoms would indicate that the filter drier in a refrigeration circuit has become blocked?

A hammering noise from the drier.

A pressure rise before the drier.

A large temperature drop across the drier.

A hammering noise from the compressors.

What will increase friction between the deck surface and cargo units?

Placing cargo units as closely as possible to each other

Placing soft boards or other anti-skid material under the cargo

Removing all traces of grease and oil from the decks

Tightening cargo lashings to the fullest extent possible

The vast majority of electrical instrumentation and testing equipment used onboard liquefied gas carriers is classes as intrinsically safe. What is the IMO Gas Codes' definition of intrinsically safe equipment?

Equipment which cannot become filled with a flammable mixture because the casing is completely gas tight.

Equipment which is filled with an inert gas which will prevent any internal ignition when in use.

Equipment which is incapable of releasing sufficient energy, during use or in specified fault condition, to cause ignition of a hazardous atmosphere.

Equipment which is designed to contain any flame which may develop due to internal ignition within the enclosure of the equipment.

What is most important when preparing a cargo hold to receive containers?

Ensuring that stacking cones are correctly positioned

Removing all loose equipment

Sweeping the tank top

Checking for cracks in tank top plating in areas where stack loads are transmitted

Which vitamin is found only in meat and fish?

Vitamin C

Vitamin E

Vitamin B

Vitamin A

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What should be the status of the suction and discharge valves when starting a centrifugal pump?

Suction valve open and discharge valve closed

Suction valve closed and discharge valve open

Both valves open

Both valves closed

Does MARPOL apply to liquefied gas liquefied gas carriers?

Yes.

No.

Only annex IV.

Only annex V.

What is name of the machine shown, used to heave on the ropes during mooring and unmooring?

Winch

Crane

Windlass

Capstan

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.

Marine steam boilers are protected with a number of safety features which are designed to prevent damage to the boiler due to overheating or overpressure. How is this protection achieved when a very low water level condition (often referred to as low low level) develops during operation?

The main and auxiliary feed control valves open fully while all burners continue to operate.

All burners are automatically and immediately shut off.

All but one of the burners is shut off with the remaining burner being reduced to minimum firing.

All burners are automatically set at minimum firing rate.

A new cylindrical brass bearing sleeve for a pump shaft is found to be a few millimetres too long for the housing and needs to be adjusted to the correct length. Which will be the best method to use to reduce the length of the sleeve to the correct dimension?

Remove the excess length using the ship's lathe.

Grind off the excess on a pedestal grinder for quickness.

Cut off the excess with a mechanical hacksaw.

Manually hacksaw off the excess and dress the end with a file.

A tachometer for a diesel engine is reading erratically. The tachometer is of the non-contact type using magnetic proximity switches to generate the signal. What is the most likely cause of this problem?

The shaft magnet has fallen off.

The proximity switch has dirt on the outside casing.

The shaft magnet has become demagnetised.

The proximity switch is loose on its mounting.

During the normal operating cycle of a diesel engine there are side thrusts generated by the piston as it moves up and down the cylinder due to the changing angle of the connecting rod. How are these side thrusts accommodated in a trunk piston engine?

The side thrust is transmitted to the cylinder liner and the engine frame by the piston crown.

The side thrust is transmitted to the cylinder liner and the engine frame by the piston rings.

The side thrust is transmitted to the engine frame by the crosshead bearing.

The side thrust is transmitted to the cylinder liner and the engine frame by the piston skirt in way of the gudgeon pin.

On RoRo passenger ferries, the passengers are not normally allowed to be on the car-deck during sailing. What is the reason for this rule?

To prevent damage and burglary to the cars.

In case of an emergency situation, the car deck can be difficulty to find the way around, and cars can shift position caused by ships movement.

If the car deck are empty, it will be easier for the crew to locate all passengers in case of an emergency

The ships movement can make the cars slide/move and a person can be trapped between two cars.

Liquefied gas is, by IMO, divided in to different groups. What is the criterion for this division?

The hydrate formation.

The boiling point, chemical bindings, toxicity and flammability.

The nitrogen and other hydrocarbon containment.

The gas pressure.

What are twistlocks designed for?

To couple containers horizontally

To couple containers vertically

To bear container loads

To lock containers vertically and horizontally

What is the purpose of Material Safety Data Sheets?

To provide all personnel including emergency personnel with procedures for handling or working with that substance in a safe manner

To provide personnel in deck- and engine department with procedures for handling or working with that substance in a safe manner

To provide the safety officer with procedures for handling or working with that substance in a safe manner

To determine if the substance is flammable or not

During inspection of the cylinder bore of a high speed diesel engine it is found that the surface of the liner has an extremely smooth and glassy appearance. From the options given select the best action, if any, that should be taken?

With a steel brush, using a vertical motion, deglaze the liner to improve both oil retention and running conditions.

Clean the liner by rubbing with emery cloth using a circular motion to deglaze the liner to improve both oil retention and running conditions.

Use a flexible honing brush to deglaze the liner to a cross hatched plateau finish to improve both oil retention and running conditions.

No action is necessary as a smooth surface helps the piston rings achieve a good gas seal.

Why should cargo residues be removed from bilge wells?

Because corrosion will occur

Because bilge sounding pipes could become blocked

Because moisture levels will increase in the cargo holds

Because other cargoes will be contaminated

When we are measuring salinity with a salinometer, the sensing device is:

Electrodes

Inductor capsule

Capacitance probe

Strain gauge

U-tube manometers are often used to measure differential pressure. Which of the listed pressures is U-tube manometers mostly used for?

High differential pressures

Low differential pressures

Absolute zero pressure

Cargo pressure

On modern chemical tankers, nitrogen is often used to achieve a super-dry atmosphere within a cargo tank prior to loading. Sometimes however, equipment delivering a special air supply is fitted and available for this same purpose. What does this equipment do?

It injects nitrogen into the air.

It supplies super-cooled air.

It filters carbon-dioxide out of the air.

It supplies de-humidified air.

On a Container vessel, what are the vertical corner structures of a container called?

Corner fittings

Casting posts

Corner posts

Corner pillars

An oil tanker's tank-cleaning machine with a rotational speed of 1 rpm and a slected pitch angle of 1.5 degrees is used to perform a bottom wash with a vertical angle from 40 degrees to 0 degrees for 1.5 cycles (3 passes). If the throughput of the machine at design pressure is 90 m3/hr, what will be the washing time and quantity of crude oil required?

40 minutes and 60 cubic metres of oil.

48 minutes and 70 cubic metres of oil.

30 minutes and 45 cubic metres of oil.

36 minutes and 48 cubic metres of oil.

The demister unit is located close to the inert gas scrubber. What is the purpose of the demister?

To prevent overheating:

To remove sulphur oxides.

To cool the inert gas.

To remove water from the IGS stream.

What is the meaning of the abbreviation PCB

Positive Colour Board

Printed Circuit Board

Power Control Bridge

Positive Current Biased

Why are zinc anodes sometimes fitted in the seawater side of heat exchangers?

To prevent accumulation of marine growth

To reduce salinity

To prevent scaling

To protect against corrosion

What is the meaning of this symbol ?

Secure hatches

Release falls

Fasten seat belts

Start air supply

You have abandoned ship in a liferaft. Which of the following actions should you take?

Organize a lookout system

Organize a lookout system and join up with other survival craft if possible. You should also stream the sea anchor

Start paddling in the direction of the nearest land

Join up with any other survival craft and stream the sea anchor

In case of fire in the switch board, what kind of extinguisant to be preferred?

CO2

Powder

Water spray

Water

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