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家 在线测试 CES Medium Speed 3rd-Eng/4rd-Eng Test online for seafarers working in Engine Room (Operational, Medium Speed) (CES v6.0)
在线测试： Test online for seafarers working in Engine Room (Operational, Medium Speed) (CES v6.0)
在线测试
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该测试由 80 个随机问题组成。
有关此主题的总问题： 120
有关此主题的总问题： 120
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What is meant by the term “segregation”?
The process of electronically transferring the data on cargoes loaded on a vessel between the load port and the discharge port, such that import documentation is prepared in advance of the vessel’s arrival.
The stowage of cargoes when calculated by a computerized load program.
The planned, separated stowage of cargoes that may react dangerously with each other in the event of leakage or other damage.
The planned adjacent stowage of packaged goods, thereby confining a listed hazard within the same area of the ship.
Which of the following areas may be possible restricted areas? Review all answers.
The Bridge.
The Cargo control room.
All alternatives.
The Engine control room.
An engine room rating notices that the guard on a running pump is hanging loose due to a missing bolt on the support bracket and it is catching the shaft coupling. What is the best action to take as a repair method?
Try and fit a new bolt while the pump is running to permanently fix the guard in place.
Inform the watchkeeper so that the pump can be stopped and a new bolt can be fitted to permanently fix the guard in place.
Fasten the guard back in place with a piece of rope with the pump running as a temporary repair.
Place a sheet of metal in front of the guard to deflect any parts that may fly off as a temporary repair.
What would you do if you are told to operate a piece of mechanical equipment which you are not familiar with?
Seek advice from your superior before attempting to operate it.
Ensure that all safety guards and devices are disconnected.
Try and guess how the equipment should be operated.
Ignore the request to operate the equipment.
During maintenance of a pneumatically operated, diaphragm actuated control valve the diaphragm is found to be split. Select, from the options given, a suitable material to use to make a temporary replacement if there is no spare diaphragm available.
Natural rubber sheet of approximately the same thickness and elasticity as the original diaphragm material.
Cotton reinforced rubber insertion sheet of smaller thickness but similar strength as the original diaphragm material.
Natural rubber sheet of greater thickness and lower elasticity as the original diaphragm material.
Cotton reinforced rubber insertion sheet of approximately the same thickness but less elasticity than the original diaphragm material.
What is the first action that should be taken by the rating on boiler watch in the event of a flame failure on the boiler?
Call the engineer on watch.
Stop the feed water pump.
Notify the bridge.
Call the chief engineer.
In a refrigeration system what is the most likely cause of the compressor suction pressure being too law and causing the compressor to short cycle?
System overcharged with refrigerant.
Insufficient cooling water flow through the condenser.
Expansion valve stuck open.
System undercharged with refrigerant.
What measures should be taken when handling mail?
Open any mail that looks suspicious.
X-ray or scan parcels before opening them.
Wear rubber gloves and protective clothing when opening suspicious looking mail.
Tear open letters with your hands.
You have abandoned ship in a liferaft. In most cases, which of the following actions should you generally take?
Organise a lookout system. Join up with other survival craft if possible. Stream the sea anchor.
Organise a lookout system.
Join up with any other survival craft and stream the sea anchor.
Start paddling in the direction of the nearest land.
Shipboard Emergency Drills must be carried out at least (OPA-90):
Once a month.
Once every 6 months.
Once a week.
Once a year.
While getting tools ready and preparing for overhaul work on the main engine the engine room rating notices that the electrical extension is damaged. A small section of the cables outer insulation is split although the inner insulation appears ok. What action should the rating take?
Cut off the end of the cable including the damaged section and refit the plug to the end of the remaining cable before using the extension.
Label the damaged extension as unfit for use and return it to the store for testing and get a replacement extension.
Carry on using the extension after wrapping insulation tape over the damaged section as it is only minor damage.
Just use the extension as it is since the damage is only to the outer insulation and the inner insulation appears ok.
What is the disadvantage of using chemicals on an oil-spill on the water?
The water gets a white colour, which makes it easy to detect the oil-spill.
It is difficult to apply chemicals if there is any wind.
The chemicals make it difficult to remove the oil from the water.
It is difficult to apply the chemicals if the oil drifts away from the ship’s side.
What special equipment can often provide assistance in locating a survival craft or man overboard and in the water?
A RACON.
AIS.
A SART.
A sectored search pattern.
You are carrying out a search in a smoke filled compartment wearing a breathing apparatus. At what stage should you start to make your way out of the compartment?
Wait until the breathing apparatus warning whistle sounds.
15 minutes after starting to use the set as this leaves you with 5 minutes air left.
Wait for the appropriate signal on your safety line as the personnel outside will be keeping a track of the time you have spent inside.
Regularly check your pressure gauge and note how much air you used to reach your work area. Start to return when you have this amount left plus a reasonable reserve.
An important quantity which is useful in circuit analysis is known as conductance G (Siemens). Which of the formulas A to D expresses the conductance for this circuit?
G = 1/R.
G = 2R.
G = I/R.
G = R*V.
What is the correct understanding of the term “Lapse Rate” when used in Meteorology?
The rate of increase of the wind associated with a Tropical Revolving Storm.
The delay in temperature reduction associated with the wet bulb thermometer of a hygrometer.
The change in the temperature associated with the passing of the warm front of a frontal depression.
The change of the temperature in the atmosphere with height above sea level.
During an oil cargo discharging operation, the IG supply to the tanks fails. As an OOW you would:
Continue discharging with the cargo pumps running at minimum speed, and inform the engine room.
Slow down and relieve the vacuum by opening the tanks lids and inform the Chief Officer.
Activate the inert fans and blow fresh air into the cargo tanks, and inform the terminal authority.
Immediately stop the discharging and inform the Chief Officer.
What should be the first action to be taken in the event of the water level disappearing out of the boiler water level gauge glass?
Close the main steam stop valve.
Secure all of the burners.
Call the chief engineer.
Close the feed water stop valve.
A small electric motor needs to be taken to the bottom plates for fitting to a domestic water pump. It is only just too heavy to be manually carried so is to be lowered using the engine room crane. Which of the options given would be a suitable strop to use for the operation?
Any certified strop which has a safe working load greater than the weight of the motor.
A wire strop which is rated for twice the required load but is out of certification.
Any piece of rope will do as the motor is only just too heavy to carry.
Any strop which looks big enough to carry the load.
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 camshaft chain is too slack.
The intake filter for turbo charger is partly fouled.
What kind of permits have to be obtained before starting hot work in tanks?
Hot work permit + Permit for entry.
Hot work permit.
Permit for entry.
Cold work permit.
How much liferaft capacity should be provided on a conventional cargo ship of more than 85 meters in length?
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.
75 % of the complement on each side of the ship.
25 % of the complement on each side of the ship.
What is the “International shore connection” used for?
To connect the ship fire main to the shore lines.
To connect the cargo hoses to the shore.
To connect the bunker hoses to the shore.
To connect the ship fresh water hoses to the shore.
During maintenance work in the engine room or on deck it is often necessary to work aloft (work at a height above the plates or the deck). When working aloft onboard the ship what is the most important safety precaution that should be taken?
Wear a safety harness securely attached to ship’s structure.
Wear a safety helmet and goggles.
Lash the bottom of the ladder to a fixed point.
Keep all the tools required for the work in a bucket.
What is the capacity of the required portable fluid extinguishers?
Not more than 20 litres and not less than 12 litres.
Not more than 20 litres.
Not more than 13,5 litres and not less than 9 litres.
Not more than 10 litres.
Which of the options given is the main reason for using a ring spanner to tighten the brass nuts on the cover studs of a pump casing?
It can be adjusted to the exact size of the nut.
It will allow the nuts to be tightened correctly.
The nuts can be tightened more with this type of spanner.
It will minimise the risk of slipping off the nut or damaging the nuts.
The following information must be given on the SART:
The MMSI number sent.
The date of replacement of the hydrostatic release unit.
The name of the operator.
Date of replacement of the batteries.
What is the correct name of the equipment shown in the sketch?
File.
Shaping machine.
Pedestal drill.
Chisel.
During inspection of a high pressure fuel pump for a medium speed diesel engine it is observed that the upper leading edge and the lower helical edge of the pump plunger have suffered from erosion damage. Select the correct action to take to remedy this from the options given.
Renew only the plunger if the barrel appears undamaged.
Renew the plunger and barrel insert as a pair.
Smooth away the damaged area with a grinder and polishing stone and refit it.
Replace the complete pump with a new or reconditioned spare.
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 the duty engineer immediately so that the engine room can be re-entered and the valve can be shut.
Inform another crewmember that he is going back into the engine room to close the valve.
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.
On a fire patrol at night you see smoke coming from a closed cabin door. What action should you take first?
Activate the nearest fire alarm button and advise bridge of the location of the fire.
Get the nearest fire extinguisher and then open the door to see what the situation is.
Take a look inside the cabin to see what the situation is.
As most people are sleeping, call a friend and ask him to assist in putting out the fire.
How many thermal protective aids are carried in each liferaft?
Nil.
10 % of the number of persons the liferaft is designed to carry, or two, whichever is more.
The number of persons the liferaft is permitted to accommodate.
6.
While assisting the watchkeeper with routine cleaning of the fuel oil separator the watch rating is requested to clean the plate stack. Which of the options given is the preferred method for such a task?
Soak the dirty plates in a solvent for an hour and then stand them on the engine room deck to drain off.
Scrape the plates as clean as possible with a packing knife and then wash them with a high pressure water hose.
With the plate stack in position fill the purifier bowl with clean diesel oil and quickly switch it on and off to wash the plates.
Soak the plates in a suitable solvent until all of the dirt has loosened off and wipe clean with rags.
Which of these are indicators that an individual may be a drug smuggler?
The individual makes small local purchases.
The individual is disinterested in the ship’s cargo.
The individual wears bulky or out of season clothing.
The individual spends his or her free time hanging out with others.
What do you call the method used for bone-soft part injuries?
ICE-method.
ABC-method.
REHAB-method.
First Aid-method.
What actions should the Officer of the Watch take when the ship’s steering gear fails?
All of the suggested answers.
Request the engine room to check the steering gear.
Call the Master and advise him of the situation.
Display the NUC signal and consider stopping the engines.
What would be the most probable cause of high temperature readings for the bearings in a diesel engine?
Lubricating oil pressure too low.
Charge air pressure too low.
Jacket cooling water temperature too high.
Water in the fuel oil.
Unfortunately an insect has become lodged in the ear. How to remove the insect?
By using rubber vacuum pump and suck the foreign body out.
Hold one hand across your nose and blow hard. Since the nose-channel is closed, the air will escape through the ears instead. And so will the foreign body.
Gently flood the casualty’s ear with terpid water so that the insect will float out.
By using a Q-tip and carefully try to get the insect out.
Where would you find out which fire sections are enclosed by “A” or “B” class divisions on a ship?
On the ship’s fire control plans.
On the general arrangement plan.
All the mentioned alternatives.
On the capacity plan.
The responsibility for safety and security rests with everybody on board the vessel. General house-keeping rules should be followed. Which of the listed rules is the most important?
Always use gloves when using grinding machines.
Keep tools within easy reach during work.
Keep your working area clean and tidy.
Do not carry lighters or matches when working outdoors.
Where does the excess steam discharge to when the boiler safety valves operate due to the boiler pressure being too high?
The auxiliary condenser.
The engine room bilges.
The atmosphere via the atmospheric line.
The main condenser.
Why is it important that the combustion chamber of a boiler is properly ventilated prior to ignition?
To avoid an explosion in case any oil vapours are present from oil leakage into the furnace.
To ensure that there is sufficient air for proper combustion.
To remove any deposits from the furnace wall.
To cool the surfaces of the boiler furnace in case they give premature ignition of the burner.
As per international regulations, the minimum inert gas pressure required to be maintained in slop tanks if slops are retained on board is:
1 000 mm/water gauge.
100 mm/water gauge.
750 mm/water gauge.
10 mm/water gauge.
After checked for open airway, given the first two inflations and checked the pulse to make sure that the heart is beating, what is the rate of inflations given until natural breathing is restored?
12-16 times per minute.
10-12 times per minute.
25-27 times per minute.
Doesn’t matter how many times.
An airway should be used when:
The patient has stopped breathing.
The patient is unconscious.
The patient is breathing on his own but is doing so with great difficulty.
Patient has injury in the mouth.
Is it necessary to cool the samples taken from a diesel engine cooling water system before carrying out tests to determine the concentration of treatment chemicals?
No, the samples should be heated to approximately 95 °C.
Yes, the samples should be cooled to approximately 25 °C.
Yes, the samples should be cooled to approximately 50 °C.
No, the test should be carried out at system temperature.
What are the lists called that give the position and task during a lifeboat drill for all persons on board the ship?
The Drill List.
The Duty List.
The Muster List.
The Crew List.
The small amounts of cargo found in the cargo tanks before loading is referred to as OBQ, which means:
OBQ (On Board Quantity).
OPB (Observed Preliminary Volume).
TSV (Total Surveyed Volume).
ROB (Remaining On Board).
Which of the following disposal would be permitted?
Food waste from a vessel outside a special area and 12 miles from nearest land.
Paper products from a vessel inside a special area and 15 miles from the nearest land.
Food waste from a vessel outside a special area and 10 miles from the nearest land.
Food waste from a vessel inside a special area and 10 miles from nearest land.
A seawater pipe is holed due to corrosion causing frequent bilge alarms. Which of the given temporary repair methods would be the preferred option to remedy the problem until the pipe can be replaced?
Cover the hole with rubber insertion held in place with a jubilee clip.
Cover all of the affected area with fibre glass tape and resin/fibre.
Wrap duct tape around the pipe in way of the hole.
Drive a steel taper pin into the hole to seal it.
What is the correct name of the part highlighted in the sketch?
Cylinder lubricator.
Cylinder relief valve.
Fuel injector.
Cylinder air start valve.
What term is used to describe a fresh water cooling system which contains a seawater cooled common freshwater cooler and which meets the cooling requirements for all the engine room machinery?
A high temperature freshwater system.
A common cooling system.
A central cooling system.
A low temperature freshwater system.
An engine room rating is assisting in the maintenance of some of the valves on the low pressure steam range. Which packing material, from the options given, would be the best choice for repacking the gland of a low pressure steam valve?
Graphite fibre packing.
PTFE rope packing.
Lead covered cotton packing.
Greasy cotton packing.
When shutting down the flue gas plant, the last step that the operator shall carry out would be to:
Close the deck isolating valve.
Open ventilation valve to atmosphere.
Close the gas pressure control valve.
Shut down of inert gas blower.
What is the most suitable type of packing for a shaft gland of a pump used for seawater duties?
Lead covered hemp packing.
PTFE rope packing.
Mica impregnated cotton packing.
Greasy cotton packing.
An electric motor is to be aligned to a pump by insuring shims under the motor feet. Which of the tools given in the options would be used to check that the alignment is correct by measurement of the gap between the coupling faces?
A set of feeler gauges.
A go/no go gauge.
An inside micrometer.
An inside vernier calliper.
The examples of Aromatic Hydrocarbons will include:
Benzene, Toluene and Xylene.
Hydrogen Sulphide and Carbon Monoxide.
Carbon Dioxide and Hydrogen Peroxide.
Propane, Butane and Pentane.
The threads on the drain plug for the bronze end cover of a sea water cooled heat exchanger have been badly damaged during maintenance. There is no spare brass plug available. What is the best solution for repairing the heat exchanger?
Make a new brass plug on the lathe to fit the drain hole.
Use a steel plug with the same thread as the original to replace it.
Wrap the threats in thread tape and coat it with jointing compound before refitting it.
Hammer in a wooden tapered plug as a temporary repair.
What is the main difference between a stuffing box gland and a mechanical seal on a centrifugal pump?
If packing fails the pump can be kept running by tightening the glands, but if a mechanical seal fails it must be renewed to stop the leakage.
The sealing surface of a mechanical seal is usually parallel to the shaft, but sealing surface of a packed gland is perpendicular to the shaft.
Packed stuffing box glands are subject to wear but mechanical seals are not.
Packed stuffing box glands must be cooled by liquid, but mechanical seals do not require any cooling.
In carbon dioxide fire-fighting systems for use in machinery spaces the fixed piping system shall be such that:
85 % of the gas can be discharged into the space within 2 minutes.
100 % of the gas can be discharged into the space within 2 minutes.
100 % of the gas can be discharged into the space within 3 minutes.
70 % of the gas can be discharged into the space within 1 minute.
What method shall be used when hauling survivors out of the sea (state of survivors is critical)?
Using painter.
Using heaving line.
Using lifebuoy.
Using nets.
What type of fire integrity must be provided for an engine control room?
C.
A 0.
A 60.
B 15.
Which cleaning agents are suitable for use in machinery space when considering the effect on the function of the oily water separator?
Only non-emulsifying cleaning agents with self-splitting emulsifiers are suitable.
None should be used as all cleaning agents affect the function of an OWS.
Any kind of cleaning agent is suitable.
An emulsification type cleaning agent is suitable.
Hot work is to be carried out close to a smoke detector in the engine room. What precautions should be taken?
Notify Deck Officer and Engineer Officer in charge. The loop for the smoke detector should be isolated while work is done and normal precautions for hot work taken including permit to work.
Disconnect or cover up the smoke detector.
No special precautions except for having a watch man and a fire extinguisher available.
Notify Deck Officer in charge that a fire alarm may occur.
Which of the methods given in the options should be used to test a remote reading temperature gauge for the auxiliary boiler exhaust gas?
Check the resistance change in the sensor over a known temperature range against the resistance values in the product sheet.
Fit a spare temperature gauge and see if the reading are the same.
Place the sensor in a test tank of water fitted with a heater element and thermometer and check the temperature gauge at different temperatures.
Place the sensor in a test tank of oil fitted with a heater element and thermometer and check the temperature gauge at different temperatures.
What types of fire extinguishers shall be used in the engine room?
Fire extinguishers of the handy-size types only.
Fire extinguishers filled with fresh water only.
Fire extinguishers equipped for powder or CO2 only.
Any fire extinguisher with a weight of less than 100 lbs.
What do you understand by the order: “Move the pilot ladder to the other side”?
To shift the pilot ladder to the opposite side of the ship.
To move the pilot ladder further along nearer to the bow.
To change the position of the pilot ladder from the main deck to the fore deck.
To rig another pilot ladder.
What action should be taken if it is noticed that there is a quantity of oil on the engine room tank top?
Start the fire pump and wash the oil into the bilges.
Open the overboard valve and start the bilge pump.
Apply foam to the tank top to minimise any risk of fire.
Notify the duty engineer and try and find the cause of the leakage so that it can be stopped and the oil cleaned up.
When shutting down the flue gas plant, the last step that the operator shall carry out would be to:
Shut down of inert gas blower.
Close the gas pressure control valve.
Close the deck isolating valve.
Open ventilation valve to atmosphere.
The purpose of the demister unit within the Inert Gas System is:
To remove sulphur oxides.
To cool the inert gas.
To prevent overheating.
To remove water from the IGS stream.
When cargo discharge reaches stripping levels on an oil tanker, it is necessary to reduce the inert gas pressure so as to:
Comply with the requirement of MARPOL Annex VI.
Avoid locking the cargo pump impeller.
Minimise blowback.
Avoid over-capacity in the IG generator.
An alarm signal consisting of seven short blast followed by one prolonged blast is sounded by the ship’s whistle and alarm bells. What are you to do?
Go to your lifeboat station.
Go to your fire station.
Go to (or remain in) your cabin and await further orders.
Report on the bridge (deck crew) or engine room (engine crew) for further orders.
The engine room rating has been assisting with ballast operations during a period of engine room watch duty. Ballast operations have stopped for a couple of hours while stores are being taken. What action should the rating take during this break in operations?
Just keep the pumps running and the valves for the ballast tanks open to save time when operations are restarted. The tanks will just overflow through the air vents.
Just stop the pumps and close the pump suction and discharge valves. Leave the valves for the ballast tanks open to save time later.
Shut the valves for the ballast tanks but keep the pumps running and discharging overboard to save time later.
Stop all of the ballast pumps and close all of the ballast valves as soon as operations are stopped. Ballast lines should always be closed except when they are being used.
An electric motor is to be aligned to a pump by insuring shims under the motor feet. Which of the tools given in the options would be used to check that the alignment is correct by measurement of the gap between the coupling faces?
An inside vernier calliper.
A go/no go gauge.
An inside micrometer.
A set of feeler gauges.
During cargo or bunker operations, oil response equipment is to be:
In its store room.
Used elsewhere in the ship.
Ready for immediate use.
In the cargo pump room.
Give the meaning of the following symbol:
CO2 battery.
Remote controlled fire pumps.
Foam release station.
International shore connection.
When operating a propulsion installation consisting of medium speed diesel engines driving a controllable pitch propeller it is possible to operate the combination of engine speed and propeller pitch in a number of different ways. What would be the main reason for operating with constant speed and variable pitch?
To allow the engine to be operated with a load sensing governor instead of a speed sensing governor.
To allow rapid load change and thrust reversal when manoeuvring.
To obtain maximum propeller efficiency over the load range of the engine.
To allow constant speed operation of a shaft generator while the engine load changes with pitch variation.
What is the emergency frequency of MF (Medium Frequency) radio?
2 617 Hz.
2 182 Hz.
1 616 Hz.
1 718 Hz.
Welding and burning are two operations which give the highest risk of a fire on board ship. Which of the following safety precautions may be regarded as the most important in order to minimise this particular risk?
The area where the welding is to take place and adjacent spaces to be cleaned and all unnecessary materials and objects to be removed.
Only holders of a welding certificate should be allowed to carry out welding or burning on board ships.
Only use electrodes from a well known manufacturer.
Electric welding plants should be controlled by a responsible engineer before use.
Personal protection equipment appropriate to the task should be worn during work in the engine room. Which of the tasks given in the options requires that safety goggles should always be worn?
When you are working with power tools or chemicals.
When you are filling in the engine room log book.
When you are welding.
When you are tidying up in the engine room workshop.
The current test includes Seagull CES questions on the topic of «Engine, Operational, Medium Speed». These questions are designed to verify the competence of specialists who are responsible for preventing accidents related to transport safety and can also be used for self-assessment.
The «Medium Speed» subject provides both theoretical and practical knowledge essential for advanced training on any type of vessel. Mastery of this information is a clear indicator of an employee’s competence in their role on board. A professional responsible for maintaining a medium-speed engine on a vessel has a range of crucial duties to ensure the ship’s safety and efficiency. This includes conducting regular technical maintenance, such as inspections, cleaning, replacing components, and lubricating bearings. Additionally, they monitor and adjust operational parameters like temperature, pressure, and fuel consumption to meet established standards, thereby ensuring optimal engine performance.
- Test type: STCW.
- Version: 5.2.7, 6.0.
- Department: Engine.
- Level: Operational.
- Propulsion: Medium Speed.
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