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Тест состоит из случайных вопросов по выбранной теме.

Вопрос 1 из 90

Among working conditions listed below which one is required for every propulsion engine of lifeboats?

Propeller permanently driven by the engine

For a period of at least 72 hours

Self-starting and launch procedure simultaneous

Sufficient fuel to run at 6 knots for a period of at least 24 hours

Give the meaning of the following symbol

Line throwing appliance

Rocket parachute flares

Lifeboat hand flare

Survival craft distress pyrotechnic signals

The necessary elements to create fire are

heat and chain reaction

combustible, air, flames and gas

combustible, comburent, flames and chain reaction

combustible, comburent, heat and chain reaction

Where shall manually operated call points be found?

So that no part of any corridor is more than 5m away from any manually operated call point

So that no part of any corridor is more than 20m away from any manually operated call point

there is no special rule for that

So that no part of any corridor is more than 10m away from any manually operated call point

*May liquid fuel, lubricating oil or other flammable oils be carried in a forepeak tank?

Yes

It depends on the flash point

It depends on the type of trade of the vessel

*What is the minimum capacity "c" of the emergency fire pump ?

c not less than 40%C total main, but in any case not less than 250 m3/h

c not less than 20%C total main, but in any case not less than 250 m3/hNOTE: "C total main" is the total capacity of the main fire pumps of the ship

c not less than 40%C total main, but in any case not less than 25 m3/h

c not less than 20%C total main, but in any case not less than 25 m3/h

What is the general requirement for the closing mechanisms of the inlets and outlets of all the ventilation systems?

Only a manually closing mechanism is allowed

Closing must be remotely controlled from the central fire control panel

Closing must be possible from outside the spaces being ventilated

An automatic closure for each section protected by a fire detection and alarm system must be provided

In a smoke filled alleyway, where will the cleanest air be found, and how should you proceed out?

Near to the upper part, stand as tall as possible and walk out

Near to the lower part, therefore sit down and wait for the rescue party

It will be the same in all the parts, therefore you should just leave as quickly as possible

Near to the deck, crawl out keeping your face as near to the deck as possible

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

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

KNMI in Holland

Don't know

The meteorological station connected with the CES used

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

What rules and regulations are regulating the watch keeping routines in the engine room?

International Standard for Training and Watch keeping (STCW)

SOLAS

Both STCW and Class rules

Class Rules

OPA-90 is applicable for the following types of vessels

All vessels carrying more than 10 000 gallons of oil , irrespective whether as cargo or bunker

Tanker vessels carrying oil

Tanker vessels carrying oil or other dangerous cargo

Tanker vessels carrying oil without segregated tanks

Which of the following duties shall be included in the "muster list" as being assigned to crewmembers in relation to passengers?

clearing the escape routes

ensuring that every passenger is provided with an immersion suit or a thermal protective aid

ensuring that a supply of blankets is taken to the survival craft

ensuring that extra food and water is taken to the survival craft

Give the meaning of this symbol:

lifebuoy with line and smoke

lifebuoy with automatic sound signal

Llebuoy with light and smoke

lifebuoy with light and hand flare

*What is the minimum length of the buoyant lifeline that is fitted to a lifebuoy which is stowed at a distance of 10 metres above the waterline (light condition)?

10 metres

15 metres

30 metres

20 metres

Which IMO convention takes care of the human safety at sea ?

he SOLAS convention

the MARPOL convention

the STCW 78/95

there isn-t any conventions that take care of the human safety at sea

Give the meaning of the following symbol:

immersion suit

waterproof protection

child's lifejacket

diver suit

Which one of the listed requirements regarding the stowage of lifeboats and liferafts do not correspond to present regulations? (SOLAS II/13.3 - 13.6)

Lifeboats shall be stowed attached to launching appliances

Liferafts intended for throw-overboard launching shall be stowed amidships secured to means for transfer to either side

Davit-launched liferafts shall be stowed within reach of the lifting hooks unless adequate means of transport is provided

Liferafts shall be so stowed as to permit manual release from their securing arrangements

You are starting to get low on water in the lifeboat. What should you do?

Drink urine

Collect rain water

Use sea water

Mix sea water with 50% fresh water

What is the meaning of this symbol ?

Lifebuoy with light and smoke

Lifebuoy with line

Lifebuoy with light

Lifejacket

What is a contingency plan for ships?

Plan for safety preparedness

Plan for maintenance and repair

Loading plan for general cargo

Plan for next voyage

What kind of safety equipment must be worn during anchoring?

All of the mentioned equipment.

Boiler suit, working gloves.

Safety helmet, safety shoes.

Safety goggles.

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

Some 4-stroke engines are fitted with a rotorcap on the cylinder head valves. For what reason?

Rotate the inlet valve during operation.

To prevent the valve spindel to stick..

Distribute the exhaust gas or the air inlet better to improve combustion.

Improve the scaling surface function, increase the service time of the exhaust valve in the engine.

Which one of the statements given in the options is correct in relation to the maintenance and adjustment of 4-stroke, medium speed diesel engines?

The piston ring groove clearances for the oil control ring are unimportant as this ring does not form part of the gas seal.

Liner wear of up to 3% of the bore size is generally acceptable for continued service.

Both the top and bottom shells of a bottom end bearing should be inspected as they can wear due to load reversal during the engine operating cycle.

Timing of inlet and exhaust valves can be correctly set by varying the tappet clearance.

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 purpose of refractory linings in an oil fired steam boiler furnace?

To support the steam drum.

To ignite the burner during automatic operation.

To prevent excessive furnace heat losses and protect tubes and other fittings from overheating.

To give added strength to the furnace.

When there is a need to interupt current flow in a high voltage system it may be very difficult to quench the electrical arc which is generated at the circuit breaker contacts. Which of the following arcing media is commonly found in high voltage marine switchgear?

Vacuum

Air

Water

Oil

What action would you take if the performance of a plate type heat exchanger was falling off even though flow rates and pressures of the primary and secondary fluids were normal?

Iincrease the flow of both fluids.

Clean the heat exchanger.

Add some more plates to the exchanger.

Increase the pressure of both fluids.

On a General Cargo Vessel, what must be done if a crane or derrick block sheave is found to be worn?

No action needs to be taken

Inform Chief Officer and prepare to change block if required

Block changed at next thorough inspection

Monitor condition of block regularly

According to the IMO Gas Codes, what is the minimum number of "Firemen’s outfits" required to be carried on an LNG carrier with a cargo capacity above 5,000 m3?

5 sets

3 sets

4 sets

2 sets

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

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

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

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

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

What should be done in preparation for loading cold rolled steel sheets in bulk carriers?

8mm wire cables should be laid athwartships over the tank top spaced 5m apart

Dunnage should be laid athwartships over the tank top

Dunnage should be laid fore and aft over the tank top

16mm wire cables should be laid fore and aft over the tank top spaced 3m apart

Some gas carriers are designed to carry both LPG and LEG. What is the design temperature on the cargo containment system on a LPG/LEG carrier?

Design temperature of the cargo containment system for an LPG/LEG carrier is minus 103 degrees C

Design temperature of the cargo containment system for an LPG/LEG carrier is minus 48 degrees C

Design temperature of the cargo containment system for an LPG/LEG carrier is minus 89 degrees C

Design temperature of the cargo containment system for an LPG/LEG carrier is minus 162 degrees C.

Which of the following is a summary of the features of a "controlled tank venting system" as may be found on a chemical tanker?

PV valves are fitted to limit the pressure or vacuum in the tank; no shut-off valves may be fitted either above or below the PV valves; provision may be made to by-pass the PV valves under certain operating conditions; such a system shall consist of a primary and secondary means of allowing full flow of vapour, except that the secondary system may be replaced by pressure sensors fitted within the tank.

The system permits vapour recovery via a collection manifold which may be connected to a shore reception facility.

PV valves are fitted to limit the pressure or vacuum within the tank; the PV valves shall be capable of being isolated or by-passed; the system shall be supplemented by pressure sensors within the cargo tank.

The system is fitted to a tank used for cargoes having a flash point not exceeding 60 degrees Celsius and is fitted with a device to prevent the passage of flame into the cargo tank.

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

Why are duplex filters usually employed in the lubricating oil system of an auxiliary diesel engine?

Changing of the filter element can be carried out without interrupting engine operation.

The pressure drop is half that of a single filter unit.

Filter blockage will not occur.

It gives better filtration of the oil.

Cargo residues of certain chemical substances are permitted to be removed by ventilation. What criteria is applied in determining if a cargo can be cleaned in this way? (Always accepting that local port authorities may have over-riding regulations on ventilation).

That the cargo discharged has a vapour expansion coefficient of at least 1.025.

That the cargo discharged has a vapour pressure greater than 5 KPa at 20 degrees Celsius.

That the vessel's ventilation system is capable of delivering a minimum of 20 changes of atmosphere per hour within the compartment.

That the volume of the tank does not exceed 1750 cubic metres, that the maximum remaining residues are less than 75 litres and that ventilation is additionally possible directly down the pumpstack.

A routine inspection of a hold space on a liquefied gas carrier is necessary. Checks of the atmosphere indicate that there is only 19.5% oxygen content. Which of the following actions is recommended?

Postpone the inspection and continue ventilating until an oxygen reading of 21% is achieved.

Carry on with the inspection as normal since 19.5% oxygen content is sufficient for breathing.

Ensure all persons entering the space for the inspection wear self contained breathing apparatus.

Ensure the inspection is carried out quickly in case the oxygen content reduces any further.

One or more pressure/vacuum-breaking devices shall be provided on the vent mains to prevent the cargo tanks from being subject to a positive and negative pressure. What is the normal pre-set point for negative pressure?

A negative pressure in excess of 500 mm water gauge.

A negative pressure in excess of 200 mm water gauge.

Depending on the test pressure of the cargo tank.

A negative pressure in excess of 700 mm water gauge.

What is the purpose of a dovetail foundation?

To secure double stacking cones

To lock adjacent containers together

To secure base twistlocks

To secure a single stacking cone

An LNG carrier is equipped with membrane type tanks with a MARVS less than 0.7 bar. What additional cargo containment requirements, if any, are needed for this type of cargo tank arrangement?

Only a partial secondary barrier is required.

No secondary barrier is required as this is a self supporting arrangement.

Only a drip tray is required.

A full secondary barrier is required.

Can slop tanks be used for the carriage of oil and are they therefore included in the total cargo capacity of an oil tanker?

Slop tanks may be used for the carriage of oil when not being used for the carriage of slops and are included in the total cargo capacity of the vessel.

Slop tanks may only be used for the carriage of oil on clean ballast tankers and are only included in the total cargo capacity of this type of vessel.

Slop tanks may only be used for the carriage of oil cargo by agreement between the shipper, receiver and charterer. They are not normally included in the total cargo capacity of the vessel.

Slop tanks may not be used for the carriage of oil cargo under any circumstances and are not included in the total cargo capacity of the vessel.

Who is responsible for the regular security inspections of the ship?

The Company Security Officer

The Classification Society.

The Ship Security Officer

The Port Facility Security Officer

When carrying high sulphur coal which areas of a cargo hold are prone to corrosion?

Steelwork with which dry cargo is in contact

Air and sounding pipes passing through the hold

Steelwork with which wet cargo is in contact

All steelwork

Continuity testing of a delta connected three phase induction motor yields the following results; U-V =3 ohms, V-W =3 ohms, W-U =6 ohms.Which of the following is the likely condition?

Short circuit winding between W and U

Open circuit winding between W and U

Short circuit between V and Earth

Partial fault between W and U

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

To maintain a continuous air flow through the cargo.

To prevent the cargo temperature increasing into the danger zone.

To ensure the cargo is shipped in a clean container.

To maintain a record of the temperature of the cargo.

Which special regulations cover transportation of solid Bulk cargoes?

The cargo securing manual

Classification Society Rules

The timber deck cargo code published by IMO

IMO Bulk Cargoes Code (BC) and the IMO International Maritime Solid Bulk Cargo Code( IMSBC)

What do international and national maritime authorities say about passenger list?

All passengers onboard must be registered with name, age and cabin number.

No requirement to have passenger list onboard as long as shore terminal/office have one, and can send it to the ship on request.

Optional for each company if they want to have passenger and crew list.

All personnel onboard (crew and passengers) shall be registered in order to keep track of total number of person on board

What should be on the deck immediately outside the door to a walk-in refrigerator?

Fire resistant natural fibre matting.

Easy wash plastic floor covering.

Non-slip matting.

An area marked with yellow diagonal lines.

What do Tonnes per Centimeter immersion (TPC), Moment to Change Trim by one Centimeter (MCTC) and Longitudinal Centre of Floatation (LCF) have in common?

They vary with changes in displacement

They vary with small angles of heel

They vary with changes in the shape of the waterplane

They remain unaffected by changes in displacement

What would be the most probable cause of the exhaust gas temperature from one cylinder of a diesel engine being lower than normal?

The opening pressure for the injection valve for the cylinder is set too high.

There is air in the fuel oil system.

The intake filter for turbo charger is partly fouled.

The camshaft chain is too slack.

What will you do when all the fresh water in the survival craft is finished or about to finish?

Use sea water to keep your body wet

Start collecting rain water

Drink Sea water

Drink only 1 liter of sea water per day

What arrangement may be installed in passenger ships to reduce unsymmetrical flooding in damaged condition?

Self acting ballast trimming arrangement

Cross flooding arrangement

Separate trim tanks

Ballast trimming system

During pre-entry checks of an enclosed space onboard a liquefied gas carrier it is necessary to check the condition of the atmosphere. If the gas detection equipment to be used for the checks included a catalytic type combustible gas indicator, an absorption type toxic gas detector and a paramagnetic type oxygen analyser, which would be the preferred order for the checks?

Oxygen content followed by hydrocarbon gas content and then toxic gas content.

Toxic gas content followed by hydrocarbon gas content and then oxygen content

Hydrocarbon gas content followed by oxygen content and then toxic gas content.

Hydrocarbon gas content followed by toxic gas content and then oxygen content.

How are cargo tanks classified under the IBC Code?

Stainless steel tanks / zinc coated tanks / phenolic coating tanks.

Compartments greater than 3001 cubic metres capacity / compartments between 3000 cubic metres and 1251 cubic metres capacity / compartments less than 1250 cubic metres capacity.

Centre tanks / wing tanks / deck tanks.'

Independent gravity tanks / independent pressure tanks / integral gravity tanks.

Due to the very low carriage temperatures for LNG the thermal conductivity, k value, is an important property of the insulation material used in cargo containment systems. For a given rate of heat leakage across the insulation, which of the following statements is true?

The higher the k value the thicker the insulation needs to be.

The rate of heat leakage is unaffected by the thickness of the insulation.

The k value depends on the thickness of the insulation material.

The higher the k value the thinner the insulation needs to be.

Which of the options given is the most likely reason for a drop in pressure at the charge air manifold of a diesel engine?

Air filter to turbocharger fouled or obstructed.

Increased engine load.

Charge air cooler fouled on waterside

Air passageways or ports to the engine cylinders partly blocked due to fouling.

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

An engine room rating is assisting the duty engineer during a period of UMS operation. After completing the tasks they have been busy with the engineer and rating leave the engine room which is returned to UMS mode. The rating realises that an oil tank filling valve has been left open. What action should be taken?

Inform another crewmember that he is going back into the engine room to close the valve.

Inform the duty engineer immediately so that the engine room can be re-entered and the valve can be shut.

Just leave the valve open as it is unsafe to enter the engine room alone. The high alarm will sound to notify the engineer when the tank is full.

Re-enter the engine room straight away and shut the valve.

Which vitamin is found only in meat and fish?

Vitamin C

Vitamin E

Vitamin B

Vitamin A

Ответить

On the diagram, which letter indicates what is meant by the word "DRAUGHT" of the ship?

Draught is indicated by B, in the figure

Draught is indicated by A, in the figure

Draught is indicated by C, in the figure

Draught is indicated by D, in the figure

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

Chronological order in which they have been assessed.

Selective laboratory tests commissioned by the Committee.

Alphabetical order.

The type of hazard they present.

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.

On a conventional reefer vessel the 'tween decks and lower hold are provided with scuppers leading into the hold bilges. The scuppers normally designed with a U-bend or non-return bend. Complete the following statement from the options given. "Prior to loading a cargo of hard frozen products the U-bend should be…

…filled with clean fresh water."

…filled with clean sea water."

left empty."

…filled with brine."

You have prepared a tray of cream eclairs, using fresh cream filling. At what temperature must they be stored until required for service?

Between 5 and 7 degrees Celsius.

At least 10 degrees Celsius.

0degrees Celsius.

-5 degrees Celsius.

Refrigerated cargo spaces are fitted with temperature sensors and in some cases carbon dioxide sensors. From the options given select the one which best completes the following statement. "Monitoring the carbon dioxide content in a cargo space loaded with fruit can be useful because…

… low levels indicate that there are insufficient numbers of air changes."

… increasing levels indicate that the fruit may be starting to ripen."

… its presence indicates that the fruit is ripe."

… its presence indicates that the fruit is still not ripe."

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

What is the primary responsibility of a watch-keeping engineer?

The primary responsibility of a watch-keeping engineer is to ensure the efficient operation of all running machinery

The primary responsibility of a watch-keeping engineer is to carry out periodic inspections of the entire engine room

The primary duty of a watch-keeping engineer is to guarantee the proper operation of all equipment in the engine room

The primary duty of a watch-keeping engineer is to represent the Chief Engineer

What is the disadvantage of using High Tensile Steel (HTS) in the construction of bulk carriers?

HTS is prone to fatigue cracking

When compared with mild steel HTS increases the lightship displacement

HTS does not form a proper bond with paint coatings

HTS is prone to pitting

In installations of INTRINSICALLY SAFE equipment it is required that all cabling should be separated from non-intrinsically safe equipment, and (where colour coding is relied upon) to be of a special colour. What colour is that?

Orange

Green/yellow

Red

Blue

Which is the preferred state to have the main turbine in while shutdown for a short stay in port?

Left with autospin operating to give periodic turning.

Gland steam left on to keep the rotor and casing warm and with turning gear switched off but engaged to 'lock' the rotor in position.

Turning with the turning gear and gland steam on.

All steam shut off with turning gear switched off but engaged to 'lock' the rotor in position.

What would be the most probable cause if the exhaust gas from a diesel engine looked a bit blue in colour?

Bad fuel oil.

Clogged charge air cooler.

Engine is too cold.

Engine burning too much lubricating oil.

What do you understand by the term Maximum Continuous Rating, MCR, of a diesel engine?

The maximum load that the engine can operate at continuosly.

The maximum cylinder pressure that the engine can operate at continuously.

The maximum charge air pressure that the engine can operate at continuously.

The maximum speed that the engine can operate at continuously.

Why should trousers worn in the galley be full length, but loose fitting?

Because ventilation will lessen the chance of cramp in the lower legs.

Because keeping the lower legs uncovered will lessen the chance of heat rash.

To lessen the chance of scalding, if a hot liquid is spilled.

Because it is the style adopted by all marine cooks.

On a Container vessel, when can twistlocks be used to lift containers?

When they are semi-automatic

When they are fully automatic

Only if they have been approved and certified for this purpose

When they are of the mid-lock design

What special requirements applies to fire alarm signalling systems in passenger ships

Remote control of fire doors and reactivation of ventilation

Same requirements for Fire alarm systems applies to all ships

Centralized in a continuously manned control station with remote control of fire doors, Indication of open or closed fire doors

Fail safe, Centralized in a continuously manned control station, Remote control of fire doors, Indication of open or closed fire doors, Reactivation of ventilation, Detector status, Back up powered

What is the anticipated rolling period of a ship with a large initial Transverse Metacentric Height (GM) and would there be any associated dangers to consider?

Long slow roll and no particular hazards

Short sharp period of roll associated with breaking lashings and shifting cargo

Short period of roll, but a very stable ship and no associated dangers

Long period of roll with free surface effects at a maximum.

Which person is qualified to carry out a five yearly thorough survey of cargo gear on a General Cargo vessel?

The master

A classification society surveyor

A deck officer designated by the master

A marine surveyor

How many two-way VHF radiotelephone apparatus shall be provided on board a ro-ro passenger ship of 500 gross tonnage and upwards?

It is required to have a fixed two-way VHF fitted in a survival craft

One for each survival craft

The first step in completing an SSA is to:

Develop an onboard security survey checklist

"Identify the key shipboard operations, systems, areas and personnel that are critical to protect."

List the existing security measures.

Create a list of potential motives for security incidents against your ship.

What could be the reason to knocking in the engine?

Clogged turbocharger filters.

Fuel injection advanced too far due to incorrect preinjection angle.

Faulty injection valves.

Any of the others

What could be the reason to knocking in the engine?

The gudgeon pin, big end-, or main bearing clearances is too large.

The engine is overloaded.

Faulty fuel injection pump.

The injection is too late.

What would you do if you after starting the separator discovered that the settling tank was full of water

It depends on the installation

Stop the separator and drain the water from the tank

Increase the flow through the separator

Use full separation capacity

The starting air valve is fitted for the purpose of:

Bringing the engine up to sufficient number of revolutions for combustion to take place and engine to run

To retard the engine revolution for manoeuvring purpose.

Bringing the engine up to full rpm to start the engine

Turning the engine for starting preparations

The turbocharger (constant pressure) is making "whoofing" noises. What might be the cause?

Heavy seas from behind.

A faulty turbocharger bearing.

One or more leaking exhaust-valve.

Strong current against.

At which of the pressures shown should the low suction pressure trip operate on a freon compressor?

+ 10 bar

- 0.5 bar

+ 5.0 bar

+2 bar

Do you think increased temperature of the mixture would improve the separation of oil and water?

The separator works under all conditions.

It makes no difference.

Yes

What phenomenon is used for liquid cleaning by centrifugal separators

Sedimentation

Stokes Law

Gravity

Centrifugal force

What type of pump of the below mentioned would be most suited for serving as a high pressure boiler water feed pump?

Multistage centrifugal.

Rotary base.

Counter screw.

Axial flow.

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