Test online for seafarers working in Engine Room (Operational, Medium Speed) (CES v6.0)
Test results
The test consisted of 80 random questions.
Total questions on this topic: 120
Total questions on this topic: 120
Your result: 85%
Right answers:
1
What are the lists called that give the position and task during a lifeboat drill for all persons on board the ship?
Your answer is correct:
The Muster List.2
What kind of extinguishing-remedy would you choose to put out an electrical fire?
Your answer is correct:
Dry extinguishing remedy.3
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?
Your answer is correct:
Wear a safety harness securely attached to ship’s structure.4
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?
Your answer is correct:
Graphite fibre packing.5
What action should be taken if it is noticed that there is a quantity of oil on the engine room tank top?
Your answer is correct:
Notify the duty engineer and try and find the cause of the leakage so that it can be stopped and the oil cleaned up.6
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?
Your answer is correct:
G = I/R.7
If the flow of gas to shore reaches the maximum declared capacity whilst using the Vapour Emission Control System (VECS), the OOW should:
Your answer is correct:
Request the terminal to reduce the loading rate until the flow of gas to shore is controlled.8
When shutting down the flue gas plant, the last step that the operator shall carry out would be to:
Your answer is correct:
Shut down of inert gas blower.9
Which cleaning agents are suitable for use in machinery space when considering the effect on the function of the oily water separator?
Your answer is correct:
Only non-emulsifying cleaning agents with self-splitting emulsifiers are suitable.10
What would be the most probable cause of the exhaust gas temperature from one cylinder of a diesel engine being lower than normal?
Your answer is correct:
The opening pressure for the injection valve for the cylinder is set too high.11
What is generally considered as the minimum safe time period before opening a crankcase door after the oil mist detector alarm has activated and the engine has been stopped?
Your answer is correct:
After at least 20 minutes.12
What is the most likely cause of black smoke at the boiler exhaust during normal operation of a steam boiler?
Your answer is correct:
Insufficient combustion air.13
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?
Correct answer:
Label the damaged extension as unfit for use and return it to the store for testing and get a replacement extension.Your Answer:
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.14
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?
Your answer is correct:
Any certified strop which has a safe working load greater than the weight of the motor.15
Unfortunately an insect has become lodged in the ear. How to remove the insect?
Correct answer:
Gently flood the casualty’s ear with terpid water so that the insect will float out.Your Answer:
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.16
The use of combustible material is restricted in the accommodation spaces in order to:
Correct answer:
Contain and suppress fire and explosion in the compartment of origin.Your Answer:
Prevent occurrence of fire and explosion.17
How many thermal protective aids are carried in each liferaft?
Your answer is correct:
The number of persons the liferaft is permitted to accommodate.18
What is the main purpose for taking diesel engine crankshaft deflections?
Your answer is correct:
To check for weardown of the main bearings.19
You have abandoned ship in a liferaft. In most cases, which of the following actions should you generally take?
Your answer is correct:
Organise a lookout system. Join up with other survival craft if possible. Stream the sea anchor.20
What is the main difference between a stuffing box gland and a mechanical seal on a centrifugal pump?
Your answer is correct:
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.21
What type of fire integrity must be provided for an engine control room?
Your answer is correct:
A 60.22
What kind of measure is the division of the vessel in upright areas by using thermic and structural separations?
Your answer is correct:
It is both a prevention and protection measure.23
How much liferaft capacity should be provided on a conventional cargo ship of more than 85 meters in length?
Your answer is correct:
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.24
What special equipment can often provide assistance in locating a survival craft or man overboard and in the water?
Your answer is correct:
A SART.25
The small amounts of cargo found in the cargo tanks before loading is referred to as OBQ, which means:
Your answer is correct:
OBQ (On Board Quantity).26
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?
Your answer is correct:
The area where the welding is to take place and adjacent spaces to be cleaned and all unnecessary materials and objects to be removed.27
What signal, if any, is specified in SOLAS as the “Abandon ship” signal?
Correct answer:
Seven short blasts followed by one long blast.Your Answer:
The “Abandon ship” signal is not specified, only the general emergency alarm signal is stated.28
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?
Your answer is correct:
A central cooling system.29
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?
Your answer is correct:
A central cooling system.30
What do you call the method used for bone-soft part injuries?
Correct answer:
ICE-method.Your Answer:
REHAB-method.31
What is the best way to avoid pollution from small oil-spills aboard a ship?
Correct answer:
Contain any oil-spill onboard the ship.Your Answer:
Have dispersing chemicals ready for use in case of oil-spill.32
Where does the excess steam discharge to when the boiler safety valves operate due to the boiler pressure being too high?
Your answer is correct:
The atmosphere via the atmospheric line.33
The insulation resistance (IR) to earth of a new galley hot-plate is measured to be 30 Mohm. When three identical hot-plates on the same supply are tested together their combined IR will be:
Your answer is correct:
10 Mohm.34
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?
Correct answer:
Soak the plates in a suitable solvent until all of the dirt has loosened off and wipe clean with rags.Your Answer:
Soak the dirty plates in a solvent for an hour and then stand them on the engine room deck to drain off.35
Why should boiler sootblowers normally only be operated in the correct sequence?
Your answer is correct:
To ensure soot is cleared progressively from the bottom tubes to the top and toward the boiler uptakes.36
What is the emergency frequency of MF (Medium Frequency) radio?
Your answer is correct:
2 182 Hz.37
When cargo discharge reaches stripping levels on an oil tanker, it is necessary to reduce the inert gas pressure so as to:
Correct answer:
Minimise blowback.Your Answer:
Comply with the requirement of MARPOL Annex VI.38
What is the first thing that should be checked when taking over a boiler watch?
Your answer is correct:
The boiler water level.39
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?
Your answer is correct:
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.40
A detector that is activated by a rise of temperature is:
Your answer is correct:
A thermic detector.41
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?
Your answer is correct:
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.42
During cargo or bunker operations, oil response equipment is to be:
Your answer is correct:
Ready for immediate use.43
What is the minimum number of channels required for the portable two-way VHF’s for survival craft?
Your answer is correct:
Channels 6, 13 & 16.44
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?
Your answer is correct:
It will minimise the risk of slipping off the nut or damaging the nuts.45
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?
Your answer is correct:
A set of feeler gauges.46
Which of the following disposal would be permitted?
Your answer is correct:
Food waste from a vessel outside a special area and 12 miles from nearest land.47
What types of fire extinguishers shall be used in the engine room?
Your answer is correct:
Fire extinguishers equipped for powder or CO2 only.48
What is the correct understanding of the term “Lapse Rate” when used in Meteorology?
Your answer is correct:
The change of the temperature in the atmosphere with height above sea level.49
What do you understand by the order: “Move the pilot ladder to the other side”?
Your answer is correct:
To shift the pilot ladder to the opposite side of the ship.50
What would be the most probable cause of high temperature readings for the bearings in a diesel engine?
Correct answer:
Lubricating oil pressure too low.Your Answer:
Jacket cooling water temperature too high.51
What is the “International shore connection” used for?
Your answer is correct:
To connect the ship fire main to the shore lines.52
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?
Your answer is correct:
Graphite fibre packing.53
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?
Your answer is correct:
Inform the duty engineer immediately so that the engine room can be re-entered and the valve can be shut.54
Which of these are indicators that an individual may be a drug smuggler?
Your answer is correct:
The individual wears bulky or out of season clothing.55
Which of the methods given in the options should be used to test a remote reading temperature gauge for the auxiliary boiler exhaust gas?
Your answer is correct:
Check the resistance change in the sensor over a known temperature range against the resistance values in the product sheet.56
What is the emergency channel on VHF?
Your answer is correct:
Channel 16.57
Which of the following answers would most appropriately describe shell plating damage to the vessel?
Your answer is correct:
My vessel has sustained damage to shell plating below the waterline in way of No. 3 cargo hold, starboard side.58
Shipboard Emergency Drills must be carried out at least (OPA-90):
Your answer is correct:
Once a month.59
With reference to the efficiency of cargo pumps on oil tankers, the abbreviation NPSH stands for:
Your answer is correct:
Net Pressure Suction Head.60
Is there any special area where it is forbidden to pump out any sludge or oil residues?
Your answer is correct:
There are 8 special area where it is forbidden to pump out any sludge or oil residues.61
What will a cadet find in the maintenance manual?
Your answer is correct:
A cadet will find a lubricating chart in the maintenance manual.62
What is meant by the term “segregation”?
Your answer is correct:
The planned, separated stowage of cargoes that may react dangerously with each other in the event of leakage or other damage.63
What measures should be taken when handling mail?
Correct answer:
X-ray or scan parcels before opening them.Your Answer:
Wear rubber gloves and protective clothing when opening suspicious looking mail.64
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?
Your answer is correct:
A set of feeler gauges.65
What is flashpoint of an oil or liquefied gas?
Your answer is correct:
The flashpoint for an oil or liquefied gas is the temperature at which it is possible to ignite the vapour above the liquid.66
When shutting down the flue gas plant, the last step that the operator shall carry out would be to:
Your answer is correct:
Shut down of inert gas blower.67
During an oil cargo discharging operation, the IG supply to the tanks fails. As an OOW you would:
Your answer is correct:
Immediately stop the discharging and inform the Chief Officer.68
An engine room rating is given the task of retightening the flanges of a pipe that has been replaced in the engine room. Which of the following tightening procedures should be followed?
Your answer is correct:
Gradually tighten all of the bolts working diagonally across and around the flange.69
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?
Your answer is correct:
Call the engineer on watch.70
What method shall be used when hauling survivors out of the sea (state of survivors is critical)?
Your answer is correct:
Using nets.71
What is the disadvantage of using chemicals on an oil-spill on the water?
Your answer is correct:
The chemicals make it difficult to remove the oil from the water.72
Give the meaning of the following symbol:
Your answer is correct:
Foam release station.73
Why is it important that the combustion chamber of a boiler is properly ventilated prior to ignition?
Correct answer:
To avoid an explosion in case any oil vapours are present from oil leakage into the furnace.Your Answer:
To remove any deposits from the furnace wall.74
Which one of the listed requirements regarding the stowage of a survival craft corresponds to present SOLAS regulations? Each survival craft shall be stowed:
Your answer is correct:
In a secure and sheltered position and protected from damage by fire or explosion.75
What would you do if you are told to operate a piece of mechanical equipment which you are not familiar with?
Correct answer:
Seek advice from your superior before attempting to operate it.Your Answer:
Ensure that all safety guards and devices are disconnected.76
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?
Your answer is correct:
Yes, the samples should be cooled to approximately 25 °C.77
The examples of Aromatic Hydrocarbons will include:
Your answer is correct:
Benzene, Toluene and Xylene.78
What actions should the Officer of the Watch take when the ship’s steering gear fails?
Your answer is correct:
All of the suggested answers.79
What kind of permits have to be obtained before starting hot work in tanks?
Your answer is correct:
Hot work permit + Permit for entry.80
What is the correct name of the equipment shown in the sketch?
