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: 91%
Right answers:
1
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.2
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.3
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?
Your answer is correct:
Cover the hole with rubber insertion held in place with a jubilee clip.4
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.5
What would be the effects of a ship passing into shallow waters?
Your answer is correct:
The ship is less responsive to both rudder and propeller.6
What is the “International shore connection” used for?
Your answer is correct:
To connect the ship fire main to the shore lines.7
High Voltage (HV) cables are smaller than low voltage cables for a given power rating. Why is this?
Your answer is correct:
The HV cable carries a smaller current and therefore requires less copper.8
What type of fire integrity must be provided for an engine control room?
Your answer is correct:
A 60.9
How many thermal protective aids are carried in each liferaft?
Correct answer:
The number of persons the liferaft is permitted to accommodate.Your Answer:
10 % of the number of persons the liferaft is designed to carry, or two, whichever is more.10
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.11
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.12
What will a cadet find in the maintenance manual?
Your answer is correct:
A cadet will find a lubricating chart in the maintenance manual.13
How many rocket parachute flares are carried in each liferaft with SOLAS B pack?
Your answer is correct:
2.14
What is the capacity of the required portable fluid extinguishers?
Your answer is correct:
Not more than 13,5 litres and not less than 9 litres.15
Where would you find out which fire sections are enclosed by “A” or “B” class divisions on a ship?
Your answer is correct:
On the ship’s fire control plans.16
What is the correct name of the equipment shown in the sketch?
Your answer is correct:
Pedestal drill.17
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?
Correct answer:
G = I/R.Your Answer:
G = 1/R.18
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.19
A detector that is activated by a rise of temperature is:
Your answer is correct:
A thermic detector.20
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?
Your answer is correct:
To allow constant speed operation of a shaft generator while the engine load changes with pitch variation.21
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.22
What method shall be used when hauling survivors out of the sea (state of survivors is critical)?
Your answer is correct:
Using nets.23
Why is it important that the combustion chamber of a boiler is properly ventilated prior to ignition?
Your answer is correct:
To avoid an explosion in case any oil vapours are present from oil leakage into the furnace.24
Give the meaning of the following symbol:
Your answer is correct:
Child’s lifejacket.25
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?
Your answer is correct:
12-16 times per minute.26
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?
Your answer is correct:
System undercharged with refrigerant.27
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.28
The examples of Aromatic Hydrocarbons will include:
Your answer is correct:
Benzene, Toluene and Xylene.29
Which of the methods given in the options should be used to test a remote reading temperature gauge for the auxiliary boiler exhaust gas?
Correct answer:
Check the resistance change in the sensor over a known temperature range against the resistance values in the product sheet.Your Answer:
Place the sensor in a test tank of oil fitted with a heater element and thermometer and check the temperature gauge at different temperatures.30
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?
Your answer is correct:
Secure all of the burners.31
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.32
Water is the extinguishing agent which is the most widely employed and its action as an extinguishing agent is due to a combination of the following phenomena:
Correct answer:
Cooling, inhibition and dispersion.Your Answer:
Cooling, smothering and dispersion.33
The following information must be given on the SART:
Your answer is correct:
Date of replacement of the batteries.34
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.35
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.36
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.37
For how long should the self contained air support system on a totally enclosed lifeboat having its engine running be capable of providing safe and breathable air?
Your answer is correct:
10 minutes.38
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.39
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.40
The purpose of the demister unit within the Inert Gas System is:
Your answer is correct:
To remove water from the IGS stream.41
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.42
What is the most suitable type of packing for a shaft gland of a pump used for seawater duties?
Your answer is correct:
Greasy cotton packing.43
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.44
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.45
On a fire patrol at night you see smoke coming from a closed cabin door. What action should you take first?
Your answer is correct:
Activate the nearest fire alarm button and advise bridge of the location of the fire.46
What could be the cause of a refrigeration compressor running continuously even though normal temperatures for the cold rooms have been reached?
Your answer is correct:
Low-pressure cut-out is stuck in closed position.47
What do you call the method used for bone-soft part injuries?
Your answer is correct:
ICE-method.48
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.49
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?
Your answer is correct:
Soak the plates in a suitable solvent until all of the dirt has loosened off and wipe clean with rags.50
What kind of measure is the division of the vessel in upright areas by using thermic and structural separations?
Correct answer:
It is both a prevention and protection measure.Your Answer:
It is a protection measure.51
In carbon dioxide fire-fighting systems for use in machinery spaces the fixed piping system shall be such that:
Your answer is correct:
85 % of the gas can be discharged into the space within 2 minutes.52
What is the correct name of the part highlighted in the sketch?
Your answer is correct:
Fuel injector.53
What is the first thing that should be checked when taking over a boiler watch?
Your answer is correct:
The boiler water level.54
What is the emergency frequency of MF (Medium Frequency) radio?
Your answer is correct:
2 182 Hz.55
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.56
Give the meaning of the following symbol:
Your answer is correct:
Foam release station.57
The bones in the human body are connected to each other by:
Your answer is correct:
Different type of joints.58
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.59
What does the word “pyrotechnics” mean?
Your answer is correct:
Pyrotechnics are the items which are capable of self-contained chemical reactions for the production heat, light, smoke and/or sound.60
When shutting down the flue gas plant, the last step that the operator shall carry out would be to:
Correct answer:
Shut down of inert gas blower.Your Answer:
Open ventilation valve to atmosphere.61
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.62
Unfortunately an insect has become lodged in the ear. How to remove the insect?
Your answer is correct:
Gently flood the casualty’s ear with terpid water so that the insect will float out.63
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.
Correct answer:
Natural rubber sheet of approximately the same thickness and elasticity as the original diaphragm material.Your Answer:
Cotton reinforced rubber insertion sheet of approximately the same thickness but less elasticity than the original diaphragm material.64
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.65
What kind of extinguishing-remedy would you choose to put out an electrical fire?
Your answer is correct:
Dry extinguishing remedy.66
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?
Your answer is correct:
Make a new brass plug on the lathe to fit the drain hole.67
The purpose of having corrugations in the bulkheads of cargo tanks of an oil tanker is to:
Your answer is correct:
Provide strength, but with clean and clear surfaces within the tank.68
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.69
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.70
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).71
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.72
The use of combustible material is restricted in the accommodation spaces in order to:
Your answer is correct:
Contain and suppress fire and explosion in the compartment of origin.73
What is the emergency channel on VHF?
Your answer is correct:
Channel 16.74
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.75
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.76
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.77
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.78
What is the signal actuated by a fire detection system?
Your answer is correct:
A visual and audible alarm signal at the control panel.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