Maison Tests en ligne CES Engine Support Test online CES 5.1 for Engine department, Support level

Tests en ligne : Test online CES 5.1 for Engine department, Support level

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Question 1 depuis 90

Oily rags and metal turnings

are not a fire hazard at all

are not a fire hazard unless ignited

are a fire hazard because they generate their own oxygen when ignited and are therefore difficult to extinguish

are a fire hazard because they are liable to spontaneous combustion

*In which one of the following an oil, the flash point of which only needs to be over 43°C, may be used?

In the kitchen

In the main engine

In emergency generators

In inert gas generators

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#

You are approaching shallow water with an Under Keel Clearance of 15%. What speed should you have when entering, and when should you slow down?

About 6-7 knots, slow down 30 minutes before entering

Reduce to slow or less in due time before entering

About 10 knots, slow down 15 minutes before entering

Maintain normal sea-speed, no need to slow down

SOLAS regulation requires that tankers of XXX ton dwt must be equipped with an emergency towing system?

20 000 dwt

10 000 dwt

30 000 dwt

50 000 dwt

Which one of the listed requirements regarding service and maintenance of life-saving appliances correspond to present regulations?

Maintenance and repair of all life saving equipments shall be carried out by the certified ship staff only

Instructions for onboard maintenance of life-saving appliances in accordance with the regulations shall be provided

Maintenance and repair of all the life-saving equipments will be carried out ashore in work shop only

At least one member of the crew shall hold a repairman certificate for life-saving equipment

The training manual shall contain instructions and information in easily understood terms and illustrated wherever possible. Which of the following objects do not have to be explained in detail in the manual according to present regulations?

Muster of assigned stations

Donning of lifejackets and immersion suits

Boarding, launching and clearing of the survival crafts and rescue boats

Donning of fire protection clothing

Your vessel have been in collision and you are not sure if your vessel is sinking or not. How will you handle this situation?

Leave the vessel and stay not closer than 5 nautical miles.

Search for missing persons. Continue to monitor situation and prepare for abandonment in case it become necessary.

Wait and see how the situation is developing.

Make sure that the life boat has as much bunker as possible and make you course for nearest land.

A triac is used to provide temperature control of an oven. The galley complain that the oven only reaches approximately 50% of demanded temperature. Which of the following is a likely cause?

The voltage supply to the oven controller is reduced by about 50%

Connection between the demand knob and the triac gate terminal has gone open circuit.

One of the main switching elements in the triac has failed.

The triac has completely failed.

Which equipment is utilised to control the liquid level in the cargo tanks?

In the cargo tanks we use deep stick to control the liquid level

In the cargo tanks we use sounding tape to control the liquid level

In the cargo tanks we use either float or radar type gauge to control the liquid level

In the cargo tanks we use float type gauge to control the liquid level

In a large, 2 stroke, main diesel engine cylinder lubricating oil is supplied directly through lubrication points cut into the cylinder liner. At what point during the cycle should the supply normally occur.

At mid-stroke of the piston.

As the piston rings pass the lubrication points.

At Bottom Dead Centre.

At Top Dead Centre.

What facility exists under the ISM Code for individual control measures of specific work-related tasks?

The definition of supervisory responsibilites.

The Permit to Work system.

The documentation of individual job

Training manuals for Life Saving Appliances and Fire Fighting systems and equipment shall be provided in crew mess room, recreation room or in each crew cabin. The training manuals shall explain the following in detail:

Emergency procedures including alarm signals, general instructions and safety practice onboard, specific information on equipment, operation of equipment

Manufacturer's specific information on equipment including maintenance procedures, operation of equipment

General Emergency procedures

Alarm signals and donning of lifjackets

Under international regulations where should draught observations be recorded?

In a note book

In the cargo log book

In the deck log book

In the official log book

At what number of crew members is it mandatory to have an Working Environment Committee on board?

Minimum four crew members.

Not mandatory.

Minimum eight crew members.

Minimum twelve crew members.

What is the purpose of the "Mud Box" on a tanker?

It is at the end of the pipeline in the tank and restricts any particles and solids entering the pipeline system.

It is the waste collection box in the store rooms.

It is the box near the windlass to deposit the mud from the anchor and anchor cables.

It is the box under the manifold to catch spills when connecting the discharge or loading hose.

What do you think would be the most likely cause of too low suction pressure in a freon compressor?

Broken suction valve plate.

Too little gas in the system.

Blocked condenser tubes.

Blocked condenser.

What is the relative liquid density of Methane?

0.427

0.554

0.624

0.583

What precautions should be taken for the deck covering in a steering gear room?

Lay removable wooden duckboards.

Apply a liberal coating of non-slip paint.

Any of the listed alternatives.

Lay removable open-grill metal duckboards.

In a PID controller it is possibile to change the setting of the Proportional band (P), the Reset time (I) and the Rate time (D). Please indicate which curve shows the typical response to a step input, if the variables are well adjusted.

Figure 4.

Figure 3.

Figure 2.

Figure 1.

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

After peak tank and fore peak tank filled first

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

Cargo spaces empty of cargo

All hatch covers secured for sea

Before leaving the machinery spaces of a UMS vessel whose engine room is protected by a fixed CO2 installation, should the duty engineer:

Ensure all doors are in closed position.

Lock all of the entry exit doors to prevent entry by unauthorised personnel.

Hook the main entry/exit doors in the open position to speed up entry in the event of an alarm.

Leave the doors in whatever position they are in.

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 is the main disadvantage of using oil free, screw type compressors for the reliquefaction plant of an LPG carrier?

The compressor has to run at very high speeds to compensate for internal leakage.

The compressors quickly overheat.

The compressor bearings wear out very quickly.

The compressor rotor elements wear quickly as they have no lubrication.

What is the correct location or working station for the deck watchman during cargo operations on an oil tanker?

In the cargo control room.

Available somewhere on the weather deck only.

Standing by in the crew mess.

On the cargo tank deck at all times.

During loading operations on conventional reefer vessels steel sheets are sometimes placed in the hatch square to avoid damage to the gratings in the square. Select, from the options given, the likely consequence of leaving the steel plates in the hatch square.

Steel has a different heat capacity to the cargo and may cause unexpected results from cooling the cargo during passage.

The stevedores will claim against the vessel for removing the steel plates.

The steel plates may overload the gratings if they are left in place with cargo on top.

The steel plates may block the flow of refrigerated air through the cargo.

If a casualty has no pulse, the first aider must immediately:

Do nothing as the patient is already dead

Raise an alarm for help

Start heart compression and artificial respiration

Inform the next of kin

Which of these is not considered a method of ascertaining the watertight integrity of hatch covers?

Hose test

Chalk test

Ultrasonic test

Visual inspection

Information about your ship’s security arrangements and procedures is stored electronically. Which of these measures will help safeguard it from potential threats?

Work history verification

Encoded email messages

Protective markings

Passwords

Indicate the correct name for the part marked on the sketch:

Exhaust valve

Piston

Cylinder liner

Main bearing

This graphical symbol is a logic gate. Which gate?

AND

NAND

NOR

Hydrocarbons belongs to a chemical group named:?

Carbohydrates.

Organic substances.

Alkanes

Alkenes

SOLAS reg II-2 and IMO MSC.1/Circ 1321 requires that cargo pump rooms on oil tankers shall be mechanically ventilated, using non-sparking suction type fans. What is the minimum number of changes of air per hour that a ventilation system must deliver?

At least 15 per hour.

At least 30 per hour.

At least 10 per hour.

At least 20 per hour.

A cargo hatch cover seal on a Bulk Carrier is known to be damaged and not weather tight prior to sailing; what is the legal significance of this situation?

The vessel may have its classification affected

The vessel is still seaworthy but repairs must be carried out at next port

The vessel may well be judged to be un-seaworthy; this could invalidate some certification and hull and machinery insurance

There are no legal concerns over this

An expansion process along a turbine venturi is ofthen recognized as if no heat transfer out of the system is occuring What is the correct term for this?

Adiabatic.

Isochorie.

Isobar.

Endothermic

Where would you look for a summary of the important safety and handling information on a particular chemical cargo loaded on your ship?

The IBC Code.

The Master's Standing Orders.

The Company Cargo Handling Manual.

The Material Safety Data Sheet.

This block diagram illustrates an elementary control system. What is the common name for this type of system?

Open loop feed back system

Scmitt trigger

Closed loop feed back system

Feed forward system

Where is there a likelihood of inadequate initial design on a bulk carrier?

Around the hatch corners

On cross-deck plating

On the sheer strack

On shell plating

What are the two parts of the magnetic compass error?

Variation and Deviation

West and East errors

Permanent and induced magnetism

The latitude and longitude

Fully pressurised ships are fitted with type "C" tanks. What is the normal design pressure?

Design pressure of about 12 barg

Design pressure of about 2 barg

Design pressure of about 15 barg

Design pressure of about 18 barg.

Following maintenance work on an air compressor the engine room rating is asked to put the tools away. It is noticed that an allen key is missing from the set. What action should be taken?

Get another one from the store to make up a full set again.

Assume it has fallen in the bilge and look for it when the bilges have been pumped.

Make a note in the log book so the other engine room staff know it is missing.

Inform the engineer in case it has been left inside the compressor when it was closed up.

Cargoes of frozen beef and chilled beef have approximate carriage temperatures of minus 18 and minus 1 degree Celsius respectively. Greater care is required when carrying chilled beef as it is more sensitive to deviations from, and requires finer control of, its recommended carriage temperature. Which option best completes the following statement? "This additional care is worthwhile because…

...carrying chilled beef is a modern innovation."

…chilled beef is healthier for consumers."

…chilled beef can be kept longer than frozen beef."

…chilled beef commands a much higher price in the market."

According to the industry guidelines in the ISGOTT Guide and assuming terminal regulations do not require otherwise, what action should be taken to drain accumulated water from the deck during cargo handling operations in rainy conditions?

The scupper plugs are to be kept closed and sealed; any volume of water that is not contained should be allowed to flood over the fishplate

The accumulated water is to be drained periodically and the scupper plugs to be immediately closed once the water has been run off. Water containing oily residues is to be transferred to a slop tank or other suitable receptacle

During periods of heavy rain, it is considered prudent and safe to allow water to drain continuously; therefore scupper plugs should be removed in such conditions

The accumulated water is to be transferred to a spare tank

How is ‘Allowable Use Strength’ (AUS) calculated, for applying cargo lashings in the transverse direction?

Transverse accelerations, taken from the CSS Code, multiplied by the vessel’s natural roll period

Vessel’s moulded breadth divided by a factor of safety, taken from the CSM, multiplied by weight of cargo item

Width of cargo hold divided by a factor of safety, taken from the Cargo Securing Manual (CSM), multiplied by weight of cargo item

Transverse accelerations, taken from the Cargo Stowage and Security (CSS) Code, divided by 7 multiplied by weight of cargo item

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

When conducting a risk assessment for a shipboard work activity, what are the two elements to be considered?

The chance of an incident re-occuring and the potential effects of an loss.

The available manpower and their experience in this type of work.

The potential severity of harm and the likelihood that harm will occur.

The time available to complete the task and the resources to hand.

Under which MARPOL category are vegetable oils classified?

Category "Z".

Category "Y".

Vegetable oils are not classified under the MARPOL categories.

Category "OS" (other substances).

Which of these items of container lashing equipment is prone to sudden failure?

Fully automatic twistlocks

Semi automatic twistlocks

Twistlocks

Midlocks

A centrifugal pump is to be reassembled following overhaul and it is discovered that there are no spare gaskets for the pump housing. From the options given select the best alternative material to make a gasket from.

Reinforced pilot packing.

Cork gasket.

Thick rubber gasket.

Thick paper (chart paper).

Which cleaning agents for machinery space are important to use due to the oily water separators function?

Any kind of chemicals.

No kind of chemicals.

An emulsification agent.

A non-emulsifying agent with self splitting emulsifiers.

Which alternative is correct for measuring current over the load L?

Figure 2.

Figure 1.

Figure 4.

Figure 3.

What is the correct range for the pH-value for the water in an oil fired steam boiler?

Below 4,5

7 - 9

4,5 - 7.

9 - 11.

What is the name of this unit?

A liferaft release unit

A slip hook

An antistatic release unit

A hydrostatic release unit

Which of the following tinned products should be kept in cold storage?

Sardines/olives

Peas

Pickled herring

Peaches

What is meant by the term 'hold space' in relation to a liquefied gas carrier?

The space where the ballast tanks are situated.

The space enclosed by the ship's structure in which a cargo containment system is situated

The space between the individual cargo tanks.

The space where the cargo is carried.

In the ISGOTT Guide, petroleum products are divided into two general groups for the purposes of indicating flammability, based on flashpoint and vapour pressure. These two groups are named 'Volatile' and 'Non-volatile'. To be considered Non-volatile, which of the following criteria must be met?

With a Flashpoint of 60 degrees C or above (open cup method), these liquids produce, when at any normal ambient temperature, equilibrium gas concentrations above the Upper Flammable Limit.

With a Flashpoint of 60 degrees C or below (closed cup method), these liquids produce, when equal to or below any ambient temperature, gas concentrations of less than 5% by volume.

With a Flashpoint of 37.8 degrees C or above (open cup method), these liquids produce, when at any normal ambient pressure, equilibrium gas concentrations below the Lower Flammable Limit.

With a Flashpoint of 60 degrees C or above (closed cup method), these liquids produce, when at any normal ambient temperature, equilibrium gas concentrations below the Lower Flammable Limit.

A power card taken from a diesel engine cylinder using a mechanical indicator has a flat top. Which of the possible actions given in the options is most likely to correct this irregularity on the power card?

Lengthen the cord for the indicator drum drive.

Lubricate the indicator piston and cylinder.

Shorten the cord for the indicator drum drive.

Change the indicator spring for one with a higher rating.

What is the correct method to use for fitting a rolling contact bearing, such as a ball bearing, onto a parallel shaft?

Use emery cloth on the inner ring (contact surface) of the bearing.

Use a hammer and a pipe with the same diameter as the inner bearing ring and knock the bearing onto the shaft.

Gently heat the bearing in an oil bath and use a bearing puller to draw it onto the shaft..

Use emery cloth on the bearing surface on the shaft.

What is the preferred method of accommodating expansion in cargo pipeline systems on gas carriers?

Use Viking Johnson expansion couplings.

Use sliding couplings.

Use expansion loops.

Use expansion bellows.

What is important to keep in mind about U-profiles that are used on pipes supports?

They should only allow movement on the lateral axis.

They must not be fastened against the pipe.

They must be made of flexible material to protect against stress.

That they should be fastened tightly around the pipe.

During routine checking of alarm functions of main and auxiliary equipment, some setpoints are canceled due to a mistake. What is the appropriate routine to ensure correct setpoints are set?

Ask your colleague if he remembers the correct setpoint

Check from previous records for correct values

Consult with the instruction manual for the equipment in question for correct values.

Select a setpoint based on present condition allowing for a reasonable safety margin.

With regard to the characteristics of a mafi trailer what must be ensured prior to unfastening this unit on board a ro-ro vessel?

That the cargo details have been checked

That there is sufficient room for it to be driven away

That cargo on the trailer is not damaged

That after unfastening it will not move

How should drums be stowed on a General Cargo vessel, in compliance with the IMDG Code?

Shrink-wrapped on pallets

Palletised in pyramid formation not more than four tiers high

Upright

On their sides

What would indicate the onset of Parametric Rolling?

When the wave encounter period approaches the natural roll period of the ship

When twice the wave encounter period approaches the natural roll period of the ship

When wave heights experienced from either quarter exceed 6 meters

When wave heights experienced from the bows exceed 6 meters

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

What is the meaning of the expression 'dead-band'?

It will is not respond to adjustment of set-point

The controller will not react to a process change in this range

The controller will enter 'sleep mode'

It will take some time before the controller will react to a change

This circuit shown is a logic gate with two 'high' input signals, A and B, and one output signal Q. Which type of logic function does the gate provide?

OR gate

AND gate

NOR gate

NAND gate

How are the surfaces of ro-ro vehicle decks and ramps treated?

With non-slip tapes

With non-skid paints

With anti-fouling paints

With rubber-based paints

What is the maximum allowable tank design pressure in the vapour space for Independent tanks type "A"?

0,3 barg

0,25 barg

0,7 barg

0,5 barg

A palletised cargo is being loaded onto a reefer vessel. The cargo is stowed on wooden pallets. Select from the options given the best method to be used for lifting the pallets onboard the vessel in order to avoid damage to the pallet boards.

By using woven strops.

By using wire strops.

By using rope endless strops.

By using a patented semi-balanced lifting fork.

Which oxygen content shall we measure before entering a tank or space after venting?

The oxygen content shall be measured to 10,8% by volume

The oxygen content shall be measured to minimum 19% by volume

The oxygen content shall be measured to 21% by volume

We don’t need to measure the oxygen content

What term is applied to solid foods, commonly vegetables, that have been mashed and stirred until smooth?

Minced.

Paree.

Clarified.

Puree.

The Company should ensure that the ship's personnel are able to communicate effectively in the execution of their duties related to the Safety Managment System. What does it really mean?

All personnel on board shall be familiar with the Safety Management System. The individual seafarer shall know procedures specifically related to their rank and duties onboard.

Everyone should know the name of the Designated Person in the Company

English language should be the working language on board the ship

The officers and crew should read the entire Safety Management System and memorize the content.

The circuit consists of two inductors, L(1) = 6 H and L(2) = 12 H, in series. Calculate the equivalent total inductance.

L(S) = 18H

L(S) = 0.5 H

L(S) = 1,5 H

L(S) = 4H

The recognised definition of High Voltage equipment is anything that operates at over which of the following levels?

440Volts ac or dc.

1000Volts ac or 1500Volts dc.

1000Volts ac or 750Volts dc.

33,000Volts ac or dc.

What makes a container vessel's cargo holds effective in containing under-deck fires?

Intact cell guides

A fixed fire-fighting system

Intact hatch and ventilator seals

An effective bilge pumping systems

A wire rope lashing is connected to an eye plate by means of a shackle. What is the Maximum Securing Load (MSL) for this lashing?

The Minimum Securing Load of the shackle

The Minimum Securing Load of the eyeplate

The Minimum Securing Load of the wire rope

The Minimum Securing Load of either the wire rope or shackle or eye plate

What action should be taken, in addition to isolating the leak, if the boiler water has become contaminated with a small amount of fuel oil due to a leaking heating coil?

Do nothing, a small amount of oil in the boiler is harmless..

Dose with coagulant and give the boiler a bottom blowdown.

Dose with coagulant and continue to operate the boiler as normal.

Dose with coagulant and surface blow the boiler.

here do you find detailed information and specific technical requirements for life-saving appliances?

SOLAS

Safety Management System

ISM Code

Life-Saving Apliance Code (LSA Code)

If a leak starts from a flange joint during cargo discharge, which of the following should you do?

Attempt to tighten the bolts on the flange. If the leak continues, place a container underneath the leak and ensure it is emptied into a slop tank or drum at regular intervals.

Attempt to tighten the bolts on the flange. Report the gasket as defective at the handover of the watch and leave a note in the Cargo Control Room to replace it at the end of discharge.

Report the leak to the Responsible Officer. Depending on the pipeline arrangement, stop the discharge, or isolate the section of pipeline concerned and releive the pressure inside the pipeline. Put on the appropriate personal protective clothing and equipment. Attempt to tighten the bolts on the flange. Resume discharge with caution. If the leak continues, stop the discharge and change the gasket. Clear any cargo spillage according to the applicable recovery procedure.

Attempt to tighten the bolts on the flange. Spread sawdust underneath the leak. Clear contaminated sawdust away at regular intervals and replace with fresh sawdust as necessary.

How should steel wire rod coils be stowed on a Bulk Carrier?

With their cores aligned alternately fore and aft and athwartships

With their cores aligned vertically

With their cores aligned athwartships

With their cores aligned fore and aft

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

40 minutes and 60 cubic metres of oil.

48 minutes and 70 cubic metres of oil.

30 minutes and 45 cubic metres of oil.

36 minutes and 48 cubic metres of oil.

How often should boiler water tests be carried out on a steam boiler?

Every hour.

Every day.

Every fortnight.

Every week.

With the set point at the actual desired value, a temperature control system is giving an unacceptably large offset (difference between set point and measured value) on high load resulting in a low system temperature. Which of the actions given in the options should be taken to reduce this effect and therefore achieve closer control of the temperature?

Increase the set point to a value above the actual desired value

Crack open the manual bypass valve for the control valve.

Increase the width of the proportional band for the controller.

Reduce the width of the proportional band for the controller.

During bunker transfer operations, deck scuppers should be:

Plugged when required

Plugged to prevent spilled oil flowing overboard

Only fitted to the side of the vessel that bunkers are being loaded

Attended by crew to collect any spilled oil that approaches

At what latest time shall doors, side scuttles, gangway doors, cargo- and coaling ports and other openings which are to be kept closed watertight at sea be closed at the start of the voyage?

Before leaving the port

Before entering open waters

Before leaving the pilot station

Before leaving the berth

Fuel oil from a leaking fuel pipe has been collected in a drip tray under the boiler furnace.The oil is suddenly ignited by a backflash from the boiler burner.The boiler room is manned and the person present has the choice of various extinguishers. The fire is purely a surface fire. What would be the preferable extinguisher?

CO2

Any of the mentioned alternatives

Water

Powder

Mention some important thoughts for what you have to do when you recognise that fire break out onboard.

Report to bridge or duty officer, actuate the fire alarm, organise and commence fighting the fire

Commence fighting the fire, call the persons around the fire and join the fire squad

Report to bridge or duty officer, actuate the fire alarm, call the persons around the fire and join the fire squad

Go to the lifeboat start the motor then call the duty officer and commence fight the fire

When a fire breaks out in the engine room, who is in charge of the fire fighting operations?

The engineer on duty

The Captain

The first person to arrive at the scene

The Chief Engineer

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.

Ce test en ligne se compose de 90 questions aléatoires issues des tests CES 5.1 sur un sujet de votre choix.