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

*Monoammonium phosphate used as a dry powder can be effective on:

solid, liquid, gases and metals

metals

solid, liquids and gases

liquid and gases

By the term “Stand by” the operator of a coast-station means that one should:

Don't know

Wait until the coast-station calls again

Switch back to the calling channel

Give the position of the ship

According to basic principles regarding fire protection the ship is to be divided in zones by structural and thermal boundaries. Which? (SOLAS II-2/2.2.1)

In main zones according to utilization (Accommodation, Machinery, Cargo)

Main Fire zones in accordance with the ship's fire-fighting system

In main horizontal zones

In main vertical zones

With a "good" GPS satellite position fix it is possible to achieve an accuracy of:

20 - 100 meters.

250 - 500 meters.

2 nautical miles.

1nautical mile.

How many, minimum lines of positions are needed to decide a position using the decca system?

1line of position.

6 lines of position.

2 lines of position.

8 lines of position.

How can an ARPA assist the ship to steer a suitable course to make good the entrance to a channel?

Select Relative motion display and make Own Ship vector pass through the middle of the entrance to the channel.

Select ground stabilised true motion display and alter course so that own ships true vector passes through the middle of the entrance to the channel.

Select True ground stabilised vectors and make the vectors from both buoys at the entrance to the channel pass either side of the centre of the screen.

Acquire the buoy at the entrance to the channel and on relative vector display alter course to make the vector of the buoy pass directly through the centre of the screen.

A vessel berths at two different jetties under the influence of a 1 knot beam current. At the first jetty the ship has an underkeel clearance of 5 times the draught and at the second the underkeel clearance is only 0.5 times the draught. If the current exerted a force of 50 tonnes on the ship at the first jetty, what would be the approximate force exerted at the second if the draught is the same?

75 tonnes

Unchanged, remains at 50 tonnes

25 tonnes

150 tonnes

If you are required to splice an eye on a mooring wire (using the recommended 5 full tucks and 2 half tucks) the effective breaking strength of the wire will now be affected by the splice, and you would expect:

A reduction in strength of 30 % to 40 %.

A reduction in strength of 1% to 5%.

A reduction in strength of 10 % to 15 %.

No reduction in strength.

In which waters are piracy attacks most frequent?

Open sea

Malaysian waters

Indonesian waters

Brazilian waters

Which of the following precautions should be taken when work is to be carried out on the radar scanner unit on the mast?

Only the electrical fuses for the radar undergoing repairs needs to be removed, allowing the ship to retain a workable radar

Only the electrical fuses for the scanner motor needs to be removed.

A "Not to be used" sign on all radars and fuses for the complete radar systems to be removed

A sign needs to be attached to all the radars warning the bridge officers of repairs and the fact the radars are "Not to be Used"

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?

You are in an area of restricted visibility and hear this signal. It is repeated at two minute intervals. What does it indicate?

That there are two more vessels nearby.

That there is another vessel in the vicinity and that she has just altered course to port.

That there is another vessel nearby, that she is underway, but stopped and making no way through the water.

That there is another vessel nearby, but that she is at anchor.

Why are all RoRo passenger ships divided into vertical ’zones’?

There is one fire team in each zone

All vertical zones are separated with watertight doors, which will be closed in the case of a grounding, etc.

Vertical zones are fire zones which can be divided from each other with fire doors. In case of fire, all fire doors in front and aft of the fire will be closed to prevent spreading of smoke/fire.

Vertical zones are separated with fire doors which will be closed automatically when the fire alarm start.

Which of the given statements can be considered as the most accurate according to the IMO Gas Codes and other LNG industry standards?

Methane is neither toxic nor an asphyxiant gas.

Methane is considered as presenting a flammable hazard and may also be an asphyxiant.

Methane is considered as presenting both flammable and toxic hazards.

Methane is considered as presenting a toxic hazard and may also result in a chemical burn in contact with the skin.

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 happen with the interface in the bowl, if the flow is too high?

The separation of the oil is bad.

The separation of the oil is good.

Will have no effect on interface.

Broken water seal.

Fast rescue boats shall be capable of carrying:

10 Persons

At least 5 seated persons and a person lying down

At least 6 persons seated

3 Persons

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

Which of the methods given in the options should be used as part of the check of the accuracy of a liquid filled thermometer used in the cold rooms of the ships provisions stores?

Immerse the thermometer in a mixture of distilled water and ice made from distilled water to check the zero reading.

Place the thermometer in a hole drilled into a block of ice to check the zero reading.

Place the thermometer in the meat room and check the reading when the refrigeration compressor cuts out.

Place the thermometer in the meat room and check the reading matches the thermostat setting when the liquid line valve closes.

The speed of ship's generator is regulated by the governor. A 10% reduction in generator speed occurs due to a faulty governor. The likely consequence for all motors powered from this generator is to:

Increase motor speed by about 10%

Reduce motor volt drop by about 10%

Increase motor power by about 10%

Reduce motor speed by about 10%

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 Inert Gas?

It is a gas containing insufficient oxygen to support the combustion of hydrocarbons.

It is a gas containing too much hydrocarbon vapour to support combustion.

It is a gas containing no oxygen.

It is a gas containing less than 21% by volume oxygen.

Modern conventional reefer vessels tend to be designed with large, unobstructed areas on the main deck. Select, from the options given, the main reason for this feature of the vessels' design.

To leave the maximum space for lifting on and off of palletised cargo when using a shore crane.

To leave space for the carriage of deck cargo.

To leave the maximum space available for the carriage of containers on deck.

To make the vessels easier to build..

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

Is the location of the Compass Binnacle critical?

Yes, for the reasons stated in all of the suggested answers

Yes, it should be on the fore and aft centreline of the ship

Yes, it should be away from all electrical power cables

Yes, it should be sited on a non-metallic base if possible.

What should not be done when a container of liquid ammonia is on fire?

Restrict ventilation

Cool the container with water

Use a dry chemical fire extinguisher or carbon dioxide gas

Use self-contained breathing apparatus

When would gassing-up of cargo tanks on an LNG carrier normally be necessary?

To remove inert gas or nitrogen from the cargo tank atmosphere.

Prior to loading each cargo.

When the tank atmosphere needs to be made inert.

During each ballast voyage.

Ballast introduced into a cargo tank on a chemical tanker which has been washed to such an extent that the ballast contains less than 1 ppm of the substance previously carried may be discharged into the sea without regard to the discharge rate, ship's speed and discharge outlet location, but under certain conditions. What are those conditions?

That the vessel is not less than 50 miles from the nearest land and is proceeding on route.

Provided the ship is underway and a sample of the ballast water has been drawn from the tank and is stored on board, there are no additional conditions to be imposed on such a discharge.

That the discharge is passed through the Oil Discharge Monitoring Equipment and a visual watch is maintained on the vessel's wake.

That the vessel is not less than 12 miles from the nearest land and is in water that is not less than 25 metres deep.

On the figure there are four possible definitions of the term "STARBOARD BOW" given. Which one is the correct one?

Starboard bow is given by D on the figure

Starboard bow is given by C on the figure

Starboard bow is given by B on the figure

Starboard bow is given by A on the figure

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

A set of mole grips.

Adjustable shifting spanner

Open ended spanner.

Ring spanner or socket.

How are the officers informed of the ship's stability in damaged conditions?

By the Captain's instructions

By damage-control board on the bridge

By permanently exhibited damage control plans

By damage-control information included in the muster list

What is the correct procedure when transferring (internal trimming) of oil cargo is necessary?

Obtain permission from charters and note procedures in oil record book and deck log

Ensure the vessel is even keel on arrival port

Only 5% cargo permitted to transfer.

Ensure safe ballast condition

This is a typical emitter follower. What is the main benefit obtained by use of an emitter follower?

The collector can be connected to as high voltage as 10 V DC

The V out is always equivalent to the V in

The input impedance is made much larger than the output impedance

The input impedance is made much smaller than the output impedance

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.

If Master finds reason to doubt whether the agent is giving the vessel's interest full and proper attention he should:

Report the matter to the harbour Master

Report to the vessel P & I club

Investigate the matter carefully and report the findings to the company

Change the agent

On a Container vessel, when will a hatch pontoon's quick-acting cleat need replacement?

When the rubber washer is compressed and hardened

When the cleat has sprung open at sea

When the cleat retainer is rusty

When the cleat retainer is distorted

Many large 2 stroke marine diesel engines are equipped with an auxiliary scavenge air blower. What is the purpose of this equipment?

To provide combustion air at start up, during manouevring and low load running when the turbocharger delivery is insufficient.

To assist the main turbochargers in supplying combustion air when on full load.

To help cool the engine after it has been stopped.

To allow full load running when the main turbocharger is defective..

What does the Captain mean?

Set the engine to dead slow ahead, and change the course 10 degrees to port

There is a dead slow in front of the ship, 10 degrees to port

Set the engine to dead slow, and set the rudder angle at 10 degrees to port

There is a dead slow in port number 10

A container vessel must alter her trim to depart even keel from the berth. Select the most appropriate means of altering trim.

By taking ballast into the lightest draught end of the vessel.

By altering the cargo disposition.

By discharging ballast from the deepest draught end of the vessel.

By internal shift of ballast.

What term is applied to the technique of removing a portion of fish from the bone?

Felting.

Filling.

Filleting.

Filtering.

What does the acronym MARVS stand for in relation to liquefied gas carriers?

Maximum Allowed Relief Valve Setting.

Maximum Actual Relief Valve Setting.

Minimum Allowed Relief Valve Setting.

Maximum Automatic Relief Valve Setting.

In the figure, which letter indicates what is known as "mooring bits"?

The mooring bits are indicated by B, in the figure

The mooring bits are indicated by C, in the figure

The mooring bits are indicated by D, in the figure

The mooring bits are indicated by A, in the figure

Select the option which best completes the following statement. "When carrying out repairs to damaged hatch gratings it is best to use…

…galvanised crosshead screws."

…galvanised nails."

…mild steel nails."

…mild steel screws."

What would it imply if at the discharge port cargo was found contaminated by a previous cargo?

That cargo interests will refuse to accept the cargo

That the vessel was unseaworthy when the voyage commenced

That the vessel will be arrested by cargo interests

That the vessel will be detained by port state control

What principle of measurement is the viscosity controller usually based upon?

measurement of flow

measurement of temperature

measurement of two different temperatures

Measurement of differential pressure

Your vessel is entering a tropical area and high humidity is expected. To avoid condensation in the main engine's air cooler, it is recommended to:

Decrease the air temperature so proper draining can be achieved from the air cooler

Increase scavenging air temperature to above dew point

Reduce speed.

Operate the engine with slightly open drain cocks, scavenging to get rid of the water

Searches are often triggered by:

Lost baggage.

News stories of stowaways.

The receipt of a shipment of damaged stores.

An increase in security level by the Flag State.

Where are cargo residues usually concealed?

In the bilges

In the upper sections of the ship’s frames

In bulkhead corrugations

In recesses below manhole covers

When loading a General Cargo ship, what do logs, fishmeal, scrap metal and bales of cotton have in common?

They are all capable of causing oxygen depletion in the cargo holds

They are all liable to spontaneous combustion

Fires caused by these cargoes cannot be extinguished using carbon dioxide gas

They contribute to ship's sweat

What is the situation of this vessel?

This vessel is not under command, but is making way through the water.

This vessel is aground.

This is a vessel constrained by her draft.

This vessel is not under command and stopped in the water.

Subject to allowance by the Port State Authority, a tanker with a defective oil discharge monitoring and control system (ODME) may continue to trade for a limited period before a repair is effected. What period is allowed and what conditions apply?

No limit is placed on the vessel, provided it can be demonstrated to the Port State Authority that the appropriate spare parts have been ordered for delivery in the next convenient port.

One ballast voyage and one loaded voyage, provided no cleaning operations are commenced.

One ballast voyage before proceeding to a repair port.

The vessel may discharge her cargo but will then be detained in port until the ODME is made fully operational and approval from the Port State Authority obtained.

What is the recommended range for the pH-value for the water in a diesel engine cooling system engine cooling water be maintained?

Above 10

Between 5 and 7.

Between 7 and 10.

Below 5.

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

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

Why are a greater number of lashings required to secure cargo forward on deck compared with amidships under deck of a General Cargo Vessel?

Because the dynamic stresses on the lashing are much greater

Because the roll period is greater forward

Because heavier cargo is stowed forward

Because the dynamic stresses on the lashing are much less

A very dusty cargo is to be loaded on a bulk carrier; what precautions on deck should be included?

No access allowed onto main deck

Decks washed down regularly

All cranes, deck houses and storerooms fully closed down to prevent entry of dust

No extra precautions need to be taken

What is a "colander" used for?

To drain the water off food.

To stir foods during cooking.

To hold different foods together during barbequeing.

To test the temperature of food during cooking.

On a Container vessel, which document should be consulted for guidance with respect to lashing containers onboard 'own vessel'.

The company's ISM handbook.

The Code for the Safe Practice for Cargo Stowage and Securing.

The Stability Manual.

The Cargo Securing Manual

The refrigeration system for the ships provisions consists of a number of cold rooms served by a central refrigeration system. The evaporator coils for the vegetable room are found to be frosting up even though the room is down to temperature and the liquid line valve has closed. Select, from the options given, the automatic control component which is likely to be malfunctioning and so cause this condition.

The low pressure cut out for the compressor.

Thermostatic expansion valve for the meat room.

Back pressure control valve.

The liquid line valve for the flour room.

The superstructure and deck houses of passenger ships carrying more than 36 passengers shall be divided into main vertical zones by

Class "C" division

Class "A" division

Class "B" division

Class "P" division

Chemicals and harmful substances are safely stored in a designated locker on board, why?

For safety reasons and stock control. When chemicals or harmful substances is delivered to a crewmember, the user shall sign for the amount received.

For stock control. Most of the chemicals and harmful substances we use on board are expensive.

Chemicals and harmful substances must be kept away from passengers so that they don't steal it.

For safety reasons. Many substances found onboard are capable of damaging the health and safety of those exposed to them. Before any chemical or harmful substance is delivered to a crewmember, the personnel shall receive training, instructions and information so that they know and understand the risks arising from use.

On a reefer vessel air is passed over the cooling coils before entering the cargo hatch via trunking to cool the cargo. It is important to ensure that the cooling coils are clear of any material such as plastic sheeting or bags. Why is this so important?

The plastic material may block scuppers and bilges.

The plastic sheeting may be picked up by and foul the cooling fans.

The plastic may interfere with the air flow over the cooling coils and subsequently the cooling of the cargo.

The plastic material may affect condensation forming on the cooling coils.

In the diagram which line would be the "AFT SPRING", if the vessel was port side alongside a jetty?

The Aft Spring is indicated by B, in the figure

The Aft Spring is indicated by C, in the figure

The Aft Spring is indicated by D, in the figure

The Aft Spring is indicated by A, in the figure

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.

"Overshoot" is an expression related to a ship's steering ability. What is the correct understanding of this expression?

It is the way a ship turns when putting the helm in a hard over position

It is how many degrees of the compass a ship continues to turn after applying counter-rudder

It is the amount a ship moves forward after the engines are stopped

It is the way a ship continues to turn when the helm is put amidships

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

All heat burns should be

Covered with Gauze or bandage immediately

Applied with soothing lotion as soon as possible

Treated by the doctor only

Cooled as quickly as possible with running cold water for at least 10 minutes

According to the Oil Pollution Act of 1990 (OPA-90), oil carrying vessels trading in U.S. waters are required to carry oil spill clean up equipment for the containment and removal of on-deck spills. For a vessel of over 400 feet (121.9 metres) in length, what volume of oil must they be able to handle?

15 barrels (2.38 cubic metres).

1barrel (0.16 cubic metre).

5 barrels (0.79 cubic metre).

12 barrels (1.91 cubic metres).

When talking about the properties of an oil cargo, what does "flammable" mean?

When it catches fire, flames may be seen, as well as smoke.

That it does not need an external ignition source to cause it to burn. It will do so by itself.

That it is not capable of burning.

That it is capable of being ignited and of burning.

What is understood by the term "a Combination Carrier"?

A general cargo ship

A ship designed to carry either oil or solid bulk cargoes

A ship designed to carry bulk cargoes in alternate holds

A ship designed to carry all types of cargoes

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

On a flue gas plant, the flue gas enters a washing tower where the gas is washed to remove soot, ashes and to separate undesired gases. What is the name of this «washing tower»?

Inert gas washer.

The washing tower.

Scrubber.

Cleaning tower.

When Ro-Ro cargo is damaged what should be noted down immediately?

Chassis identifying marks and/or numbers

The driver’s name

Names of witnesses

The time, date and location of occurrence and details of the damage

What effect would a blocked steam connection to a boiler water level gauge glass have on the visible water level in the glass?

The level in the glass would be higher than the actual level in the boiler

There would be no or very little water shown in the glass because it would be air locked.

The level in the glass would be less than the level in the boiler due to the water in the glass evaporating into the empty steam space.

The level in the glass would be the same as the level in the boiler since the water connection is still clear.

To maintain good relationship among the crew on board a vessel, one must be:

Polite and diplomatic while talking to crew members

Give authority to others

Strict and authoritative while giving orders

Understanding, Co-operative, and have respect from both sides

What is the name by which the regulations which prevent and control pollution from ships are known?

The International Shipping Pollution Laws.

SOLAS

MARPOL

The ISP Code.

During the cycle of a four stroke diesel engine there is a load reversal on the bottom end bearing when the load transfers from the upper part of the bearing to the lower part. What is the main cause of this load reversal on a modern, turbocharged, medium speed diesel engine?

The light alloy materials used for the piston skirt.

The lack of gas load to oppose the inertial forces generated during the exhaust stroke.

The inertial forces generated during the upward strokes of the piston (compression and exhaust strokes).

The suction effect on the piston during the air intake (induction) stroke.

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

Fire, Evacuation, Pollution, Personnel accidents and Ship Security

Evacuation, Fire, Pollution and Man-Over-Board

Man-Over-Board, Evacuation and Fire

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

Which statement about IED’s is true?

All IED’s have four common components.

IED’s don’t cause serious damage.

All IED’s look alike.

IED’s are difficult to manufacture.

What is fishmeal prone to?

Increasing anti-oxidant levels en route

Liquefaction due to vibration or compression

Moisture absorption

Decreasing anti-oxidant levels en route

A company must update its Safety Management System and Manual:

whenever regulations change

at least once every 18 months

at least once every 12 months

at least once every 6 months

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

Deepwell pumps.

Single stage deepwell pumps.

Submerges motor pumps.

Multistage deepwell pumps.

A diesel engine cylinder head is to be overhauled but the spring compressor for removing the valve collets is found to be damaged and unusable. How should the task be carried out by ship's engineers?

Use a couple of screwdrivers to compress the spring and lever out the collets as this will save time.

Use a ring spanner to press down on the spring guide and pick out the collet halves once they are free.

Delay the work until a new spring compressor is available or fabricate a suitable replacement onboard if the work is urgent.

Using a hammer and a tube with an inner diameter slightly bigger than the outer diameter of the collets repeatedly strike the upper spring carrier until the collets pop out.

The ship is en route. When may passengers visit the bridge?

Whenever they want

When the weather is nice and the sea is calm

During daytime if the traffic is smooth

Passengers are not allowed to visit the bridge while the ship is en route

A reefer vessel, which is about to carry a palletised cargo, has to have available sufficient cargo equipment including air bags (dunnage bags), air lines and valves, cargo slings, wooden dunnage, nails, etc. These items are required to ensure a quick loading operation and a successful passage. Complete the following statement from the options given. "Air bags are particularly important in that ….

… they are quick and easy to deploy."

… they secure the pallets against movement during the passage."

… they protect the pillars and the vent trunking against damage during heavy weather."

… they reduce the movement of the pallets and prevent short circuiting of the air flow."

The diagram shows the direction that a rope runs during a mooring operation and a possible place where it may break. Where would be considered the safest position to stand?

Inside the blue coloured zone.

Behind the point of restraint, but inside the blue coloured zone.

Between the "point of break" and the "fairlead".

Outside the blue coloured zone.

When should gangway nets be rigged?

When it is deemed necessary by the Master or the Chief Officer.

Between sunset and sunrise.

Whenever the gangway is regarded as unsafe.

Whenever the gangway is rigged.

Having a CO2 alarm during normal working hours, what immediate action should be taken?

Awaiting further order.

Get into the control room.

Get out of the engine room as soon as possible.

Ignore the alarm.

Whilst in the Engine room you hear the CO2 release alarm, what action if any should you take.

As CO2 can not kill you, secure present work and proceed out of engine room.

Take no action as it is probably someone testing the system, as the fire alarm has not been sounded and the engine room is not on fire.

Proceed to the engine control room and call the bridge for further instructions.

Leave the engine room as quickly as possible, closing all doors behind you.

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