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

To obtain “time and duration” after a telephone call with number 010-1234567 in the Netherlands, via an Inmarsat-terminal, one should enter after receiving the second dialling tone:

Don't know

3731101234567#

31#

37#

On board they want to establish a telex connection by HF-set with the ship Apollogracht. In the guides you find for the Apollogracht the following ID’s:244320000, 424432010, 424432020, 1300210, 36715. What ID should be chosen:

424432020

36715

Don't know

The terminal indicates to you that they are going to use a booster pump to assist the discharging operation. You start the discharge, and in a few minutes the pressure drops sharply. This could be a result of the :

ship's pump speeding up

booster pump being lined up in the wrong direction

booster pump failing to start

booster pump coming on the line and discharging properly

For which ships is the MARPOL convention applicable?

For all vessels.

For all vessels except passenger vessels.

For all vessels except those engaged in coastal trade.

For tankers and other vessels carrying persistent oil as cargo.

In case of pollution in US waters, do you always have to notify the National Response Center (OPA-90)

Yes, within thirty (30) minutes

No, only the shipowner can notify NRC

No, not if the local US State Authority is correctly notified

Yes, within three (3) days

You are on a vessel 10 nautical miles off the coast of Algerie, in the Mediterranean Sea. Are you allowed to dump food waste overboard?

Yes, all kind of food waste can be dumped overboard

Yes, the food waste can be dumped if it is ground so that the resulting particles can pass through a screen with 50 mm openings

No, food waste can not be dumped overboard

Yes, the food waste can be dumped if it is ground so that the resulting particles can pass through a screen with 25 mm openings

In shallow water a ship will experience "Squat". What are the principle reasons creating the effects of squat?

There are changes in the bow and stern pressure fields associated with the ships motion.

There is an increase in the water velocity and a decrease of water pressure around the ship's hull

There is a decrease in the water velocity and an increased of water pressure around the ship's hull

There is an increased effect of gravity due to closeness of the sea-bed

Chemical tankers are built with either "gravity" or "pressure" type cargo tanks. A "gravity" tank is one having a design pressure at the top of the tank of:

0.1 bar?

2.7 bar?

1.7 bar?

0.7 bar?

In describing an oil cargo, what is its "pour point"?

The lowest temperature at which a gas converts back to liquid

The lowest temperature at which it will remain fluid

The temperature as recorded during the taking of cargo samples

The temperature necessary for a cargo to load from shore by gravity alone

What is the most likely reason for vibration and noise at the suction side of a centrifugal pump when it is running?

Pump suction valve fully open.

Water hammer in the pump casing.

Fluid friction in the suction line.

Collapsing vapour bubbles due to cavitation.

What is the correct definition of: - a mooring line?

A line for a block.

A line for the ancher.

A loop in a rope.

A thick rope to tie up the ship.

What would be a typical set point for emergency shut down of a large slow speed diesel engine due to "lubricating oil inlet to camshaft" low pressure?

0.1 bar

5 bar

0.4 bar

1.5 bar

Are membrane tanks designed for carrying of gas of ambient temperature?

No, membrane tanks are normally designed for transport of fully refrigerated cargoes.

Yes, if tank fitted with primary- and secondary membranes.

Yes, if the membrane is more than 50 mm thick.

Yes, if the membrane tank is designed for high pressure.

On a Container vessel, what is the function of double stacking cones?

To link adjacent container stacks together particularly those in line with buttresses

To link out-of-gauge container stacks together

To lock containers horizontally

To lock adjacent container stacks together

Which is the "TUG TOWING LINE', in the figure?

The Tug Towing Line is indicated by B, in the figure

The Tug Towing Line is indicated by D, in the figure

The Tug Towing Line is indicated by C, in the figure

The Tug Towing Line is indicated by A, in the figure

What does MARVS mean?

Maximum ROB of Vapour.

Maximum Recovery Setting.

Minimum Allowed Relive Valve Setting.

Maximum Allowed Relive Valve Setting.

What would be a typical setting for the overspeed trip to operate and shut down the engine on a medium speed diesel engine?

1% above engine rated speed

25% above engine rated speed

15% above engine rated speed

5% above engine rated speed

Your vessel is progressing within a Traffic Separation Scheme and receives a navigational warning of another vessel progressing the wrong way within the scheme. What actions should be taken on the bridge, if any?

Use the Arpa for early identification of all other ship movements within the traffic lane and give rogue vessel a wide berth

Move out of the traffic lane towards the coast.

Slow down your vessel and proceed with caution, posting extra lookouts.

Take no actions but proceed with extra caution.

Many marine steam boiler designs incorporate external "downcomers". What is the main purpose of these downcomers?

To provide extra support for furnace tubes.

To increase heating surface area.

To ensure adequate circulation in all boiler operating conditions.

To provide a flow path for the steam bubbles.

In a series installation of a purifier and a clarifier, what is the purpose of the clarifier

As a safety net, for improved cleaning of the fuel oil

You will probably have less alarms

In case the gravity disc is too small

To get round the problem of fluctuating temperature

Where is the acceptable location to smoke while on duty, or working in a cargo deck stowed with containers?

The designated smoking area inside the accommodation or on deck?

Smoke close to an entrance to the cargo deck?

Carefully smoke outside the container stowage area?

There is no smoking allowed while on duty?

Double-bottom tanks of a General Cargo ship are to be ballasted with sea water; which of the following are the most important checks to be made ?

All air vent pipes open and clear, pipeline valves open to correct tanks and other tank valves checked closed

All air vent pipes open and clear, pipeline valves closed to correct tanks and other tank valves checked open

All air vent pipes closed ,pipeline valves open to correct tanks and other tank valves checked closed

All air vent pipes open and clear, pipeline valves open to all tanks

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.

What is the definition of "vapour"?

It is the weight per unit volume in vacuum

A gas which the molecules escaping from the free surface.

A gas which vapours of different ingredients will exist independently.

A gas which can be liquefied at the temperature concerned.

On a container vessel, with regard to the carriage of Calcium Hypochlorite what is not allowed under the IMDG Code?

Cargo transport units to be carried under deck

Calcium Hypochlorite packed and shipped in Intermediate Bulk Containers (IBCs)

Calcium Hypochlorite packed and shipped in bags

Packaging group II

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

Checking communications equipment

Assigning crew duties

The operation of gas-tight and watertight doors

Stowage and securing of specialised cargoes

The muster list shall show the duties assigned to the different members of the crew. Which of the given duties do not necessarily have to be included in the muster list?

Manning of fire parties assigned to deal with fires

Clearing escape routes

Muster of passengers

Preparation and launching of survival crafts

What is a Marine Evacuation System?

Liferafts supported by Fast Rescue Boats and Lifeboats

Evacuation Chute(s)/Slide(s) and Liferafts

Helicopter evacuation

Assistance from other ships

Who is responsible to ensure that all personnel on board are provided with suitable Personal Protective Equipment where it is needed?

The Head Department

The Master

The Company/ employer

The safety officer

In which category of passengers do you think a woman who shows you a police badge might belong?

30% who are rational

3% who panic

75% who are confused and helpless

25% who go into shock

What is required in accordance with IMO's requirements regarding cargo segregation?

No special requirements.

1valve

2 valves

3 valves

The correct time to synchronise is usually taken to be when the synchroscope reaches the "5 to 12" position and is rotating slowly clockwise. This to allow for:

Generator phase difference error

Circuit breaker operating time

Synchroscope error

Synchroscope pointer time lag

Which of these is addressed in the latest amendment (34-08) of the IMDG Code?

The classification of Marine Pollutants as environmentally hazardous substances

Mandatory training provisions

All

Marking requirements for Marine Pollutants

Who is responsible for completing the DoS on behalf of the ship?

Chief Officer

Ship Security Officer

Company Security Officer

Chief Engineer

Where should a Ro-Ro unit that requires protection from heat and large temperature variations be stowed?

On deck away from the accommodation

Anywhere under-deck

Anywhere along the side of the main deck

Under-deck away from bulkheads, fuel tanks, heating coils and uninsulated machinery

The cargo tanks for liquefied gas carriers are grouped into 4 types depending on the survival capability requirements. Which of tank types is suited for the carriage of all cargoes listed in chapter 19 of the IMO IGC Code from a survival capability aspect?

2PG

When will the Hague-Visby rules apply on a General Cargo vessel?

When animals are carried

When cargoes are carried on deck

When cargo is carried under a bill of lading

When a vessel operates under a charter party

You are loading a cargo of Vinyl Acetate Monomer to several tanks on board. Tank 6 centre is about to finish and the next tank to load is 2 centre. How will you operate the valves to achieve this change-over?

I will close the valves for tank 6 centre when the required ullage is reached and then open the valves for 2 centre.

When the required ullage is reached in tank 6 centre, I will close the manifold valve, then close the tank valves for that tank. I will then open the tank valves for 2 centre and finally open the manifold valve again. (Using the manifold valve to control the flow avoids any pressure-surge in the shore line).

I will open the valves for tank 2 centre and then close those for 6 centre, as the required ullage is reached.

I will stop loading cargo when tank 6 centre reaches its required ullage and close the valves to that tank. I will then open up the valves to tank 2 centre and resume loading cargo.

Ro-ro 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 fully loaded with people

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

It means the same as self-righting lifeboats

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

What is the main purpose of the superheater vent valve on a high pressure steam boiler?

To remove air from the superheater.

To contol the superheater pressure during operation.

To remove water from the superheater.

To ensure a flow of steam through the superheater when raising steam pressure or when the boiler is not on-line.

When working in areas which requires the use of a ladder, should you:

Use a safety belt/harness and secure it to a fixed piece of equipment/ship-s structure.

All of the listed alternatives.

Secure the ladder top and bottom.

Have a person standing by at the scene/bottom of ladder.

What is the full title of the IMO code which applies to all gas carriers built after 1986?

The International Code for Ships Carrying Liquefied Gases in Bulk (the IGC code)

The Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (the GC Code)

The Code for Existing Ships Carrying Liquefied Gases in Bulk (the Existing Ship Code)

The International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk (the IGC Code)

What is the main purpose for taking diesel engine crankshaft deflections?

To check for weardown of the bottom end bearings.

To check for weardown of the main bearings.

To allow calculation of the load on each of the bearings.

To check that the shafting is in a straight line.

On a RoRo vessel, what should you do if it is clear a RoRo cargo unit's content is not have properly secured

have the crew secure the content once the unit is in position

load the unit and let the duty officer know

Reject the unit and do not allow it to be loaded

How is a steel locking coil lashed?

By metal banding passing over it and through each of the cores of the two coils on which it rests

By metal banding passing over its top in a figure-of-eight and through each of the cores of the two coils on which it rests

By metal banding passing over it across the entire hold

By metal banding passing through its core and through each of the cores of the two coils on which it rests

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 two weeks

Daily

Every month

Weekly

The picture shows the component parts of a fluorescent light (items 10 to 14) above a circuit diagram (items 1 to 9). Between which terminals of the circuit should the ballast (or choke) be connected?

5 and 6

1and 9

1and 2

3 and 4

Some cargoes carried on liquefied gas carriers are toxic and are given a Threshold Limit Value (TLV) as a time weighted average (TWA). What does the TLV-TWA usually indicate?

It indicates the maximum vapour concentration that a person can be exposed to for 8 hours per day or 40 hours per week.

It indicates the maximum vapour concentration that a person can be exposed to for one hour.

It indicates the absolute maximum vapour concentration that a person may be exposed to at any time.

It indicates the maximum vapour concentration that a person can be exposed to before breathing apparatus is required.

What do the letters IMDG stand for?

International Monitoring Department (Geopolitics)

Interactive Maritime Dangerous Goods.

International Marine Dangers Group.

International Maritime Dangerous Goods.

What is an unsaturated hydrocarbon?

Unsaturated hydrocarbons are colourless and odourless liquids and they are chemically reactive

Unsaturated hydrocarbons are colourless liquids with a sweetish odour, they are chemically non-reactive and have to be carried under high pressure

Unsaturated hydrocarbons are colourless and odourless liquids and they are chemically non-reactive

Unsaturated hydrocarbons are colourless liquids with a sweetish odour and they are chemically reactive

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

Adjustment of Zero-point and span

Adjustment of span

Adjustment of range

Adjustment of linearity

What is the name of this unit?

A liferaft release unit

A slip hook

An antistatic release unit

A hydrostatic release unit

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.

Which of these actions should you take it your ship is successfully boarded by armed pirates?

Fight back.

Scream in fear and refuse to cooperate.

Keep quiet and ignore any questions you’re asked.

Assure your captors that you’re not planning an attack to overthrow them.

On a RoRo vessel, why is it necessary to maintain safety markings/luminous paint on pillars in ro-ro decks?

To comply with the company's standing instructions

Because it is a port state control requirement

To comply with the ship's Planned Maintenance Schedule

To prevent damage during cargo operations

What is the result of a large metacentric height?

The ship will roll violently.

The ship will have a long roll period.

Bending moment will increase.

The center of gravity will move upwards.

What is the minimum number of lifebuoys that shall be provided with self-igniting lights an self-activating smoke signals?

50% of the total number of lifebuoys

At least 1

To what Proof Load is a 30T SWL derrick tested?

38T

35T

40T

33T

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

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

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

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

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.

What is the normal procedure for cooldown cargo tanks prior to loading LNG?

Pumping cold LNG through the spray header.

Pumping cold LNG to the bottom of the tank.

Pumping cold LNG through the heater.

Pumping cold LNG through liquid header.

What does the term "ullage" refer to?

The measured depth of product in a cargo tank.

The height from the bottom of a cargo tank to the top.

The special calculations that the Chief Officer makes when he works out the ship's final draughts before sailing.

The depth of free space left in a cargo tank above the current liquid level.

What do you call the wide rung on a pilot ladder that prevents the ladder from twisting?

The wide rung on a pilot ladder that prevents it from twisting is called a 'Wide step'

The wide rung on a pilot ladder that prevents it from twisting is called an 'Ani-twist rung'

The wide rung on a pilot ladder that prevents it from twisting is called a 'Long rung'

The wide rung on a pilot ladder that prevents it from twisting is called a 'Spreader'

The cargo tank pressure reading for a refrigerated cargo of propane is higher than the saturated vapour pressure for the cargo temperature. e.g. an absolute pressure of 1.5 bar at minus 43 degrees C. If the cargo tank had been cleaned before loading the cargo what is the likely cause of this condition?

The cargo tank insulation is damaged.

Some inert gas or nitrogen remained in the tank after gassing up.

The cargo has been loaded too quickly.

There is too much cargo vapour in the tank.

When would the cargo tanks of an LNG carrier normally be inerted?

Immediately after every cargo discharge operation.

Immediately before any of the ship's personnel enter the cargo tanks.

Before gas freeing for maintenance and inspection and after completion of the maintenance and inspection.

Immediately before every cargo loading operation.

What temperature do we calculate on when using the ASTM-IP tables?

We calculate the liquid weight at actual temperature.

We calculate the liquid weight at +25 C.

We calculate the liquid weigh at ambient temperature.

We calculate the liquid weight at +15 C.

What does the cargo capacity of a car carrier depend upon?

The number of vehicles it can carry

The size of vehicles for which it is designed

The weight of vehicles it can carry

The volume of vehicles to be loaded

Under which IMDG Class is fishmeal carried when not treated with anti-oxidant?

Class 9 - Miscellaneous dangerous substances and articles

Class 4.1 - Flammable solid

Class 4.2 - Flammable solid

Class 5.1 - Oxidizing substance

Why do bulk cargo carriers need to carry oxygen analysis and gas detection equipment?

Because it is good practice to have this equipment on board

Because of enclosed or confined space entry requirements

Because the equipment is required under the International Maritime Solid Bulk Cargoes (IMSBC) Code

Because the equipment is required under MARPOL 73/78

When testing boiler water, should the sample be:

As hot as possible.

At lowest possible temperature.

At room temperature.

It makes no difference.

Why is it so important to shut off the source of fuel before extinguishing the flames on a gas fire?

To prevent forming a potential flammable gas cloud

To minimise the use of fire-fighting media

To prevent chemical reaction with the extinguish agent

To minimise damage to property and environment

What information is required on passengers prior to departure?

All persons on board shall be counted and details of persons who have declared a need for special care or assistance in emergency situations shall be recorded and communicated to the Master

The safety officer shall count the number of passengers

It is sufficient to count the number of passengers prior to departure

Details and number of persons who have declared a need for special care or assistance in emergency situations shall be recorded and communicated to the Master

A thermistor which provides feedback for a thermal control system is suspected to have failed. Assuming there is no available replacement, which of the following methods may be used to prove it has failed?

Connect a mV source in parallel with the thermocouple connections.

Connect a mA source in parallel with the thermocouple connections.

Disconnect the thermocouple lead from the conttroller and replace with a mA source.

Disconnect the thermocouple lead from the controller and replace with a mV source.

What is the Maximum Securing Load of ‘D’ rings?

40% of the breaking strength

25% of the breaking strength

50% of the breaking strength

35% of the breaking strength

What is the lightweight of a ship according to SOLAS?

Weight of ship including equipment, complement, stores and supplies

Weight of the ship including fixed and permanent equipment, less cargo, complement, passengers, stores and supplies

Weight in tons of operative ship with no cargo

Weight of a light loaded ship (not fully loaded)

How should the Bo's'un prepare for anchoring?

The Bo's'un should prepare for anchoring by hoisting the anchor ball

The Bo's'un should prepare for anchoring by walking back the anchor to five shackles in the water

The Bo's'un should prepare for anchoring by applying the windlass brake, then disengaging it

The Bo's'un should prepare for anchoring by lubricating the spurling pipe

What is a Fantainer used for?

Carrying dangerous goods prone to condensation

Carrying reefer cargoes prone to condensation

Carrying dry cargoes prone to condensation

Carrying steel coils

Which of the listed sensors is suitable for physial displacement?

Pt 500

Thermocouple

Thermistor

Strain gauge

Whenever there is a major bleeding, the first priority should be to:

Stop the bleeding

Raise an alarm

Call the doctor

Take the pulse of the patient

What is the letter ‘P’ under the IMDG Code?

Pollutant

Marine Pollutant

Severe Marine Pollutant

Packaging

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

What kind of fixed extinguishing plant is installed to use on an oil tanker’s engine room and pump room?

Water spray plant.

CO2 plant.

Foam plant.

Powder plant.

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.

What is likely to happen if a randomly hose is used for gas measurement?

The hose will most likely absorb hydrocarbon gases.

Nothing in particular.

The hose won't fit the indicator inlet ports.

The indicator will malfunction.

The "dew point" of a liquid chemical is often quoted in the documentation relating to its loading and carriage. Which of the following is a definition of "dew point"?

The temperature at which a gas is saturated with respect to a condensable component, as in operational terms is seen at the point when air is saturated with moisture.

The temperature at which dry-ice melts in Acetone.

The temperature at which a condensable component is saturated with respect to a gas, as in operational terms is seen at the point when moisture no longer detectable in air.

The temperature at which a saturated gas exhibits condensation.

What is the most suitable type of packing for a shaft gland of a pump used for seawater duties?

Greasy cotton packing.

Mica impregnated cotton packing.

PTFE rope packing.

Lead covered hemp packing.

A delta connected 3-phase A.C. induction motor is running normally at its rated current of 150 A when a single phasing fault (open circuit) occurs in one line. The likely outcome will be:

Line currents: 0 A, 180 A, 180 A. Trip condition: trip on overload.

Line currents: 150 A,150 A,150 A. Trip condition: fuses blow on short circuit.

Line currents: 75 A, 75 A, 75 A. Trip condition: no trip but speed falls.

Line currents: 0 A, 150 A, 300 A. Trip condition: trip on overload.

We can observe gray/white smoke from an exhaust pipe in the funnel (from a 4 stroke engine).The possibilities are:

The engine is thermally overloaded.

The engine is burning lubrication oil.

Broken fuel injector valve.

Water leaking into the combustion chamber.

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

Buoy line is given by B on the figure

Buoy line is given by D on the figure

Buoy line is given by C on the figure

Buoy line is given by A on the figure

How often shall each member of the crew participate in an "abandon ship"-drill?

Once every 6 months

Once every week

Once a year

Once every month

A pan on the galley stove containing oil catches fire, which of the following should NOT be used on this type of fire?

Cover pan with lid and switch of heat source.

Raise the alarm, close galley door and wait for the fire teams to arrive.

Cover pan with fire blanket and switch of heat source.

Use water extinguisher to put out the fire.

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