Heim Online-Tests CES Gas tanker Deck Support Test online CES 5.1 for Deck department, Support level, Gas tanker vessel

Online-Test: Test online CES 5.1 for Deck department, Support level, Gas tanker vessel

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The good operation in any location, whether the NAVTEX is working properly or not, can be checked using:

A company test procedure

Test transmissions specially broadcast for this purpose once a week

A compulsory built-in alarm for defects

A testing program built in for this purpose

Cargo tanks with which of the following lining types can be used for the carriage of Propylene Oxide?

Zinc coated tanks.

Epoxy coated tanks.

Aluminium tanks.

Steel or stainless steel.

A Category "B" Chemical Cargo which has a melting point of more than 15° C. can be carried:

In tanks adjacent to the ship's shell plating having heating coils?

In tanks where the heating coils have been removed and supply and return steam pipes blanked off?

In tanks not adjacent to the ship's shell plating having heating coils?

In any tank onboard the vessel?

Your vessel is transiting the Panama Canal. Which manning level is applicable?

Sufficiently manned with officers and crew to permit safe handling of vessel

A reduced crew is acceptable since the Panama Canal authorities are supplying transit crew

Manning level as per statutory requirements + 10% more to handle mooring equipment

Manning level as per (statutory requirements) masters discretion

*How much liferaft capacity should be provided on a conventional cargo ship of more than 85 meters in length.

75% of the complement on each side of the ship

100% of the complement if it can be readily launched on either side of the ship. If it cannot be readily launched on either side, 100% must be provided on each side

50% of the complement on each side of the ship

25% of the complement on each side of the ship

What is characteristic of titanium, magnesium and lithium catching fire?

There is always risk of explosion

These fires are self-extinguishing

These fires can only be extinguished using water

Due to chemical reactions these cargoes will continue to burn

The continuity resistance of a 100m long X 25 sq. mm cable (rated at 100A) is to be checked. Which of the following results would you anticipate?

between 0.1 and 1.0 M ohm

between 0.1micro ohm and 1.0 micro ohm

between 0.1 and 1.0 ohm

greater than 1 M ohms

You have recently discharged a cargo of Isoprene and the tank has now been cleaned. There is still a strong smell of Isoprene vapour from deck. Can you save some time and use a mask fitted with an "Inorganic Gases and Vapours" filter to enter the tank for mopping and inspection?

No. Filter masks are not permitted for enclosed space entry where the oxygen content of the atmosphere may be insufficient to sustain life.

No. Entry into a tank which previously contained Isoprene requires the use of a filter for "Organic Gases and Vapours".

Yes.

Yes, provided mechanical ventilation continues whilst you are inside the tank.

What is the minimum number of bolts required in a 12 inch bolted flange cargo hose coupling?

8 bolts

4 bolts

6 bolts

A bolt in every hole

Sounding pipes in the engine room are normally fitted with deadweight cocks and screw caps. Which of the following statements is correct?

Caps and cocks should be closed at all times, except when sounding tanks, to prevent ingress of water or oil into the engine room in case of tank bottom damage or overflow.

Deadweight cocks should be fastened in the open position to save time when sounding the tanks.

It does not matter where the cocks/caps are unless the tank is in use.

Caps should be placed on top of sounding pipes to keep the engine room tidy.

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.

Where is the "PORT QUARTER", in the figure?

The Port quarter is A, in the figure

The Port quarter is C, in the figure

The Port quarter is B, in the figure

The Port quarter is D, in the figure

What would the Master require of the Chief Officer?

The Master would require the Chief Officer to organise a lifeboat drill

The Master would require the Chief Officer to repair the lifeboat engine

The Master would require the Chief Officer to test the lifeboat engine

The Master would require the Chief Officer to replace the lifeboat painter

When lowering a RoRo Cargo Side or Stern Ramp what must be ensured ?

The ramp surface must be clean

The ramp must be lowered by the duty officer only

The vessel is securely moored and there is nothing beneath the ramp

According to SOLAS Regulation all dedicated seawater ballast tanks on oil tankers shall have an efficient corrosion prevention system such as hard protective coatings or equivalent. With regard to coatings do SOLAS set any requirement to colour?

Preferably dark colour.

No requirement.

Preferably light colour.

Preferably light red colour.

How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?

None providing the ship has lifeboats

One Fast Rescue Boat

Two Fast Rescue Boats, one on each side of the ship

Two, and at least one of the rescue boats shall be a Fast Rescue Boat

s it required that the PA-system (Public Address) is connected to a back-up power sypply?

No, the crew will inform the passengers in case of any black out or power failure

Yes, only if the voyage is more than 12 hours

Yes, the public address system shall be connected to the emergency source of power

What does MARVS mean on a cargo tank?

Maximum Allowed Relive Valve Setting.

Minimum Allowed Relive Valve Setting.

Maximum Recovery System.

Maximum ROB of Vapour.

On a RoRo vessel, with regard to the characteristics of a mafi trailer, what must be ensured prior to disconnecting from the tug on board?

That after unfastening it will not move

That there is sufficient room for it to be driven away

That cargo on the trailer is not damaged

What is a Gangway?

A Gangway is an interval of time between a change of working gangs, on board

A Gangway is a portable means of access to a ship

A Gangway is an accommodation ladder

A Gangway is a temporary means of access into the cargo holds

While alongside at a repair berth a new section of seawater pipe has been fabricated in a shoreside workshop from drawings supplied by the vessel. During fitting of the pipe by ship's engineers it is noted that the pipe is too short leaving a gap of about 8mm between the flange faces. What action should be taken to remedy this problem?

The pipe should be returned to the shoreside workshop for modification or to be remade to the correct dimensions.

The ships engineer's should use extra long bolts and pull the flanges together

The ship's engineers should fit extra thick joints between the flanges to fill the gap.

The ship's engineers should manufacture a spacer piece to fit the gap.

A tank containing hydrocarbon residues requires manual cleaning by use of shovels, scrapers etc. Should you:

Open the tank, provide ventilation and commence work immediately.

Open the tank and provide lighting, have someone standing by outside the tank and commence working.

Open the tank, provide adequate ventilation/lighting, test oxygen content, have someone standing by with rescue equipment, complete a tank entry permit then commence work.

Open the tank, provide adequate ventilation and lighting, commence work and have someone standing by outside the tank.

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

Felting.

Filling.

Filleting.

Filtering.

The seating surface of a superheater handhole door on a boiler has been damaged due to leakage of superheated steam leaving a cut across the surface. Which repair method, from the options given, would be the most effective?

Machine the surface until the cut has been removed and a new full seating area is formed.

Fit a more pliable gasket to take up the irregularities in the surface.

Build up the cut with weld and re-machine the seat.

Fill the cut with plastic metal and file smooth.

Why do all gas carriers have deepwell or submersible cargo pumps?

The use of electric motors.

It is not permitted to have cargo pomp-room below the upper deck.

To avoid having cargo pipes in cargo tanks.

It is cheaper and less complicated than pump-room.

Which is the "FORWARD SPRING", in the figure?

The Forward Spring is indicated by C, in the figure

The Forward Spring is indicated by D, in the figure

The Forward Spring is indicated by A, in the figure

The Forward Spring is indicated by B, in the figure

Why is the tank washing discharge outlet located below the waterline on a chemical tanker?

So that a safe and legal rate of dilution is achieved in the wake as the ship proceeds along.

So that toxic vapours are neutralised by the layer of water above the outlet.

So that tank cleaning can be carried out without anyone noticing.

So that there is minimum resistance to the flow generated by the pumps as they discharge the washings.

One of the crossheads on a large, six cylinder, slow speed diesel engine has been severely damaged due to bearing failure. The connecting rod for the cylinder concerned is to be removed from the engine and the piston and damaged crosshead suspended in the engine so that it can be run on 5 cylinders. Which of the methods given in the options should be used to suspend the piston and crosshead?

Remove the cylinder cover and connect the piston (with crosshead attached) to the engine room crane and position the piston so that it covers the scavenge ports.

Raise the piston sufficiently high to allow the crosshead support pins/chains to be fitted and rest the crosshead on them (with piston attached and positioned above the scavenge ports)

Raise the piston (with crosshead attached) to just above the scavenge ports and insert pieces of wood through the ports to rest the piston on

Remove the cylinder cover and lift the piston until the crown and skirt are clear of the liner and place two bits of angle iron across the liner top to rest the piston on.

What kind of Crude Oils are required by MARPOL to be specifically listed in a tanker's Crude Oil Washing manual as unsuitable for cleaning by that method?

Those with highbenzene content.

Those with high basic sediment and water content.

Those with high pour point or viscosity.

Those on the IMO Oil Tanker Technical Committee COW banned list.

Which publication, other than SOLAS, contains information regarding the personal safety equipment that must be carried onboard liquefied gas carriers?

MARPOL annex II

The ISPS Code

The ISM Code

The IGC Code.

In which order should changing a section of the hatch cover seal be carried out?

Straight sections followed by moulded sections

Straight sections + 5% followed by moulded sections

Moulded sections followed by straight sections cut to the length required + 5%

Moulded sections followed by straight sections cut to the required length

Electric arc welding is to be carried out in the machinery spaces other than the workshop. Which of the alternatives below would be the correct procedure for the connection of the "return" cable to the welding set?

Weld a stud bolt close to the work piece and connect the return cable to this.

Connect the return clamp direct to the work piece and welding set via a cable of suitable length.

Any of the listed alternatives.

Have a short length of cable permanently connected to the ships structure close to the welding set.

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.

Which of the options represents the best action to take when an item of machinery, which normally operates in automatic mode, is operated in 'manual' mode?

Have someone permanently stationed at the machine in case of an operational problem.

Keep the Chief Engineer informed of machines performance on an hourly basis.

Change over all other machinery to manual mode of operation.

Monitor the operation of the machinery on a frequent basis.

The best way to prevent stowaways from boarding your ship is to:

"Conduct routine, but irregular searches of the ship."

Search the ship when you arrive at port and again just after leaving.

Conduct a Nominated Officers search.

"Seal spaces that are not in use while in port, and perform a search of the ship before leaving."

When should carbon dioxide gas be injected into a cargo hold containing bagged fishmeal?

When temperatures taken around the cargo hold exceed 35?C

When ambient temperatures exceed 38?C

When cargo temperatures exceed 55?C and heating continues

When smoke starts issuing from a cargo hold

The operation of a diesel engine is controlled by a mechanical-hydraulic, compensated speed sensing governor. How will the governor control be affected if the compensation needle valve is closed in and the engine load changes?

The governor will hunt resulting in erratic engine speed control.

Engine speed control will be sluggish.

A change in load will not affect a speed sensing governor.

Altering the compensation needle valve has no effect on speed control.

Which of the following oil products is particularly associated with the danger of contracting leukaemia through exposure to its vapours?

Benzene

Octene

Xylene

Toluene

On a Bulk Carrier, what should be done immediately, if during the voyage the temperature of bulk coal exceeds 55?C?

Continue ventilation of all cargo spaces

Seal the hold completely and monitor the cargo using suitable instruments

Use fire fighting water in the hatch

Stop ventilation of cargo space

Drip trays are provided in way of the cargo manifold on the vast majority of LNG carriers. What is the main purpose of having this drip tray?

To minimise cargo losses during disconnection of hard arms at completion of loading and discharging.

To allow blanking plates and fastenings to be stored ready for fitting after disconnection of hard arms.

To minimise the risk of pollution in the event of a minor spillage during disconnection of hard arms.

To minimise the risk of extremely cold cargo from spilling onto the deck, which may damage the ship's structure, when disconnecting hard arms.

According to MARPOL there are requirements regarding minimum amidships draught for crude oil tankers in ballast condition. What is the formula for calculating minimum draught amidships?

2.0 + 0.002L

2.0 + 0.15.l

2.0 + 0.02L

2.0 + 0.0015L

During cargo tank gassing up and cooling down operations on an LNG carrier which of the given options, regarding temperature, needs to be observed?

Always control the vaporisers so that the temperature of methane vapour is lower than existing tank atmosphere temperature.

Never allow temperature of the insulation to fall below the safe minimum temperature.

Always control the outlet temperature of methane from the vaporiser.

Always control the temperature in the shore supply line.

Which electronic component does this graphical symbol illustrate?

Field Effect Transistor

Diode

Silicon controlled rectifier

Bipolar transistor

Which of the following is the correct English spelling?

Ingreedients.

Ingrediants.

Ingriedients.

Ingredients.

Fluid flow is measured using a pneumatic differential pressure transmitter and is indicated on a direct reading instrument. The indicator is reading zero even though fluid is flowing through the system. When the flow rate changes the indicator initially registers a reading but then gradually returns to zero. From the options given select the probable cause of this condition.

The connection to the differential pressure transmitter low pressure bellows is blocked.

Diaphragm in the differential pressure transmitter is perforated.

The I/P converter is faulted.

The connection to the differential pressure transmitter high pressure bellows is blocked.

When would you not expect large roll amplitudes on a Panamax container ship?

When the ship is experiencing near head seas.

When the ship is experiencing seas 45? on the bow.

When the ship is running before the seas

When the ship is experiencing beam seas

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

Where would you look to find details of the crude oil washing system, its equipment and operating procedures? ,

The Operations and Equipment Manual (COW Manual).

MARPOL 73/78.

The Oil Record Book.

The ODME Manual.

On a RoRo vessel, which of the following is likely to tip over in heavy weather?

Cargoes with low centres of gravity

Flatbed trailers

Vehicles

Cargoes with high centres of gravity

Which of the given options is the approximate value of the flammable range for Methane measured as a percentage volume in air?

5.3 - 14.0% by volume.

2.6 - 12.4% by volume.

3.5 - 13.0% by volume

1.4 - 10.8% by volume

What does the abbreviation "SBT" stand for in the context of the construction and layout of an oil tanker?

Segregated Ballast Tank

Specified Ballast Tank

Strengthened Ballast tank

Single Barrier Tank

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.

On a Container vessel, if chemicals spilled into a cargo hold what would these residues be considered as, under MARPOL 73/78?

Cargo residues

Marine Pollutants

Waste

Oily mixtures

Which of the following is an acceptable method of controlling the cargo tank pressure when loading a liquefied gas carrier?

Through a vapour return to shore connection.

The pressure relief valve will automatically control the pressure at the set pressure.

Reduce the setting of the pressure relief valve to zero gauge pressure and vent to atmosphere.

Open the atmospheric vent line.

What is silica gel normally used for on board liquefied gas carriers?

It is used as a treatment for frostbite.

It is used as an insulating material for the cargo tanks.

It is used as a fire fighting medium for cargo fires.

It is used as a drying agent for the inert gas.

What kind of safety equipment should be used when operating a grinding wheel?

Goggles and shield.

Shield.

Welding mask.

Goggles.

The IBC Code prescibes certain design conditions for a cargo heating or cooling system. What does it require in respect of pressure within such a system, for any condition other than when it is empty?

That the system must be fitted with automatic control valves that will maintain the inlet pressure at not less than 0.2 bar above the return pressure.

That a higher pressure can be maintained within the system than the maximum pressure head that could be exerted by the contents of the cargo tank on that system.

That an automatic alarm is fitted to alert the operator when the pressure within the system drops to within 0.2 bar of the pressure measured at the lowest located cargo pressure sensor within the tank.

That a lower pressure will be maintained within the system than the actual pressure head that is being exerted by the contents of the cargo tank on that system.

Too low exhaust temperature in one cylinder becomes because of:

Water leakage in the cylinder.

Faulty fuel injection pump.

Any of the others.

Too low admission on the fuel injection pump.

On a Container vessel, what is the definition of Readily Combustible Solids, under the IMDG Code?

A substance that will heat up and ignite due to the ignition of another substance

Fibres, powdered, granular, or pasty substances that are capable of self-heating

Fibres, powdered, granular, or pasty substances which are dangerous if easily ignited by brief contact with an ignition source and if the flame spreads rapidly

Any solid that is capable of self-ignition

What term is applied to the running of a number of cargo pumps together to discharge a homogeneous cargo from multiple tanks simultaneously up a common discharge line?

Series pumping.

Integrated discharge.

Parallel pumping.

Simultaneous discharge.

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 should a crane or derrick sheave be replaced?

When wear down in the groove exceeds 20% of the wire rope diameter

When wear down in the groove exceeds 25% of the wire rope circumference

When wear down in the groove exceeds 25% of the wire rope diameter

When wear down in the groove exceeds 20% of the wire rope circumference

In the circuit diagram shown the starter connects between which terminals?

3 and 4

7 and 8

1and 2

5 and 6

Is it required to have supplementary emergency lighting on board passenger ships?

Yes, all passenger public spaces and alleyways shall be provided with supplementary electric lighting

No, reflective marking indicates the escape routes

No, passengers should bring their own flashlights

No, portable battery operated lamps shall be provided in alleyways and public spaces

In many cases the ship's Chief Engineer can carry out survey of machinery on behalf of a Classification Society under arrangements covering Continuous Surveys. As part of this arrangement a Surveyor from the Classification Society must carry out a periodic audit of the documentation for the approved planned maintenance system and undertake a confirmatory survey of the items surveyed. What is the normal frequency for this audit?

Bi-annual.

Annual.

Every 4 years.

Every 5 years

When maintenance work is to be carried out on an electric motor driving a centrifugal water pump with automatic start, should you;

Ascertain from the senior watchkeeper if it is okay to start work, isolate the valves then commence work.

Set in local control, isolate the suction and delivery valves then commence work.

Isolate the suction and delivery valves then inform the electrician that you are starting work.

In conjunction with the senior watchkeeper and electrician, isolate valves, electrical supply, automatics and post 'Do not operate' signs before commencing work.

What is the main effect on lubricating oil of operating for long periods at excessively high temperature?

It will change the flashpoint of the oil.

It will cause the oil to oxidise, reducing the viscosity.

It will cause the oil to oxidise, increasing the viscosity.

It will cause the oil to evaporate, increasing consumption.

The lubricating oil on the exhaust side of the turbine blower gets very dirty after only a few hours in service. What can the reason be?

Worn out bearing turbine side.

Exhaust gas leaking into the oil chamber.

Wrong type of oil used.

Lubricating oil is mixed with salt water.

The pair of instruments necessary for generator synchronising are:

Voltmeter and synchroscope

kW meter and frequency meter

Amp-meter and volt-meter

Synchroscope and kVar-meter

What is the primary hazard associated with the carriage of a bulk cargo of salt on a Bulk Carrier?

There are no special hazards associated with this cargo

The cargo may be liable to self heat.

The only possible hazard is associated with ingress of water into the hold and a loss of stability

This cargo maybe liable to spontaneous combustion

How often shall the master review the safety management system?

Annually

Every month

Every 5 years

Bi-annually

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

What additional stability information is required before a bulk carrier can load a full cargo of grain?

Grain loading conditions must be shown and the vessel is in possession of a Document of Authorization

The information is in a standard stability book should be sufficient to calculate a grain condition.

A bulk carrier cannot load a grain cargo

No additional conditions are required to be shown

What is the correct understanding of the term "Bottlescrew"?

A bottlescrew is the connection ring on the ships deck used to connect lashings and rigging

A bottlescrew is the threaded screw used to open large bottles

A bottlescrew is a metal threaded sleeve which adjusts the length and tension on rigging or stays

A bottlescrew is the special wire rope used to lash containers

Which of the following could cause a blowback from a steam boiler oil fired furnace?

Trying to ignite burner from hot brickwork

Having the fuel oil temperature too high

Having the fuel oil pressure too high

Opening air registers too quickly

What is the purpose of automatic trip system onboard, and how does it function?

Automatic trip is to avoid over pressuring of cargo tanks, the trip function is often initialised by a float switch.

Automatic trip is to avoid tanks and pressurised vessels becoming overloaded, the trip function is often initialised by a float switch.

Automatic trip is to avoid tanks being cooled too much, the trip function is often initialised by a float switch or a temperature switch.

Automatic trip is to avoid tanks becoming overloaded; the trip function is often initialised by a float switch.

Which of the answers best summarises the information which should be provided for the bridge Officers of the Watch within an effective Voyage plan.

All of the suggested answers

Expected prevailing wind and weather

Contingency arrangements in case of problems

Courses to steer; distance off dangers; parallel index lines; expected currents; prevailing winds; distance between alteration points.

Where should water level detectors be fitted on bulk carriers?

In the ballast hold

In each cargo hold

In alternate cargo holds

In the foremost cargo hold

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

Centre line is given by B on the figure

Centre line is given by C on the figure

Centre line is given by A on the figure

Centre line is given by D on the figure

During cargo or bunker operations, oil response equipment is to be:

Used elsewhere in the ship

In its store room

Ready for immediate use

In the cargo pump room

Which of the following is considered to be the most efficient method of testing the weather tightness of hatch covers during a pre-loading survey of a General Cargo Vessel?

Hose test

Visual inspection

Ultra sonic test

Chalk test

Which of the following is not relevant when handing over a cargo watch?

Prevailing weather conditions

Failure or stoppage of cargo handling equipment

Status of ballasting or de-ballasting operations where applicable

Status of cargo loading or discharge operations

The oils used for medium and high speed diesel engine lubrication usually have alkaline additives which give the oil a Total Base Number of about 30 to 40 mg KOH/g. Why is it necessary to have such a TBN for these oils?

To counteract the effects of fuel leaking into the crankcase.

To allow operation of the engine on a variety of fuel types.

To increase the load carrying capacity of the oil.

To neutralise the acids formed during combustion.

What action should you take if you have a flash-back during gas welding?

Run for your life.

Close the regulator valves immediately, oxygen first.

Cool the bottles down with water.

Use a portable fire extinguisher.

For a Nitrate based cooling water treatment system, what would you consider to be the normal operating limits?

0-1000 PPM Nitrate.

3000-5000 PPM Nitrate.

1000-2000 PPM Nitrate.

2000-3000 PPM Nitrate.

On the figure 4 possible definitions of the term "AFT" are shown. Which one is the correct one?

Aft is defined as B on the figure

Aft is defined as C on the figure

Aft is defined as A on the figure

Aft is defined as D on the figure

Why is it impossible to have a lifeboat drill at present?

Because the crew will be busy heaving the anchor

Because the lifeboats are defect

Because the ship is leaving after sunset the following day

Because the anchor is damaged, and the ship is drifting away from its anchor zone

What do you call the plan on board dealing with the distribution of the crew and their duties at fire fighting?

Emergency instruction

Alarm instruction

Fire distribution plan.

Safety plan

Injuries resulting from slips and falls constitute the largest percentage of accidents that occur in the catering department. What shall be done to reduce this high accident rate?

Install thermostates to avoid water from freezing to ice.

Do not wash off all rubbish to prevent persons slipping.

Ensure that slippery substances are not left where several persons are expected to be around.

Keep the floors and decks free from fat and grease.

On the figure 4 possible definitions of the term "ABEAM" are shown. Which one is the correct one?

Abeam is defined as A on the figure

Abeam is defined as C on the figure

Abeam is defined as D on the figure

Abeam is defined as B on the figure

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