Test online for seafarers working in Engine Room (Operational, Medium Speed) (CES v6.0)

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Тест состоял из 80 случайных вопросов.
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Правильные ответы:
1

Why should boiler sootblowers normally only be operated in the correct sequence?

Ваш ответ правильный:

To ensure soot is cleared progressively from the bottom tubes to the top and toward the boiler uptakes.
2

When shutting down the flue gas plant, the last step that the operator shall carry out would be to:

Ваш ответ правильный:

Shut down of inert gas blower.
3

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?

Ваш ответ правильный:

10 minutes.
4

Which of the following disposal would be permitted?

Ваш ответ правильный:

Food waste from a vessel outside a special area and 12 miles from nearest land.
5

What will a cadet find in the maintenance manual?

Ваш ответ правильный:

A cadet will find a lubricating chart in the maintenance manual.
6

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?

Ваш ответ правильный:

After at least 20 minutes.
7

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?

Ваш ответ правильный:

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.
8

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?

Ваш ответ правильный:

Soak the plates in a suitable solvent until all of the dirt has loosened off and wipe clean with rags.
9

The small amounts of cargo found in the cargo tanks before loading is referred to as OBQ, which means:

Ваш ответ правильный:

OBQ (On Board Quantity).
10

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?

Ваш ответ правильный:

Inform the duty engineer immediately so that the engine room can be re-entered and the valve can be shut.
11

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?

Ваш ответ правильный:

Yes, the samples should be cooled to approximately 25 °C.
12

If the flow of gas to shore reaches the maximum declared capacity whilst using the Vapour Emission Control System (VECS), the OOW should:

Ваш ответ правильный:

Request the terminal to reduce the loading rate until the flow of gas to shore is controlled.
13

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?

Ваш ответ правильный:

Cover the hole with rubber insertion held in place with a jubilee clip.
14

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?

Ваш ответ правильный:

Wear a safety harness securely attached to ship’s structure.
15

Which cleaning agents are suitable for use in machinery space when considering the effect on the function of the oily water separator?

Ваш ответ правильный:

Only non-emulsifying cleaning agents with self-splitting emulsifiers are suitable.
16

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?

Правильный ответ:

A central cooling system.

Ваш ответ:

A low temperature freshwater system.
17

What is meant by the term “segregation”?

Правильный ответ:

The planned, separated stowage of cargoes that may react dangerously with each other in the event of leakage or other damage.

Ваш ответ:

The planned adjacent stowage of packaged goods, thereby confining a listed hazard within the same area of the ship.
18

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?

Ваш ответ правильный:

Inform the watchkeeper so that the pump can be stopped and a new bolt can be fitted to permanently fix the guard in place.
19

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:

Ваш ответ правильный:

Cooling, inhibition and dispersion.
20

The bones in the human body are connected to each other by:

Ваш ответ правильный:

Different type of joints.
21

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?

Ваш ответ правильный:

Graphite fibre packing.
22

What is the correct understanding of the term “Lapse Rate” when used in Meteorology?

Ваш ответ правильный:

The change of the temperature in the atmosphere with height above sea level.
23

The examples of Aromatic Hydrocarbons will include:

Ваш ответ правильный:

Benzene, Toluene and Xylene.
24

What is the minimum number of channels required for the portable two-way VHF’s for survival craft?

Ваш ответ правильный:

Channels 6, 13 & 16.
25

Give the meaning of the following symbol:

Ваш ответ правильный:

Foam release station.
26

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?

Правильный ответ:

Secure all of the burners.

Ваш ответ:

Close the feed water stop valve.
27

What kind of permits have to be obtained before starting hot work in tanks?

Ваш ответ правильный:

Hot work permit + Permit for entry.
28

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?

Ваш ответ правильный:

Keep your working area clean and tidy.
29

What is the “International shore connection” used for?

Ваш ответ правильный:

To connect the ship fire main to the shore lines.
30

What types of fire extinguishers shall be used in the engine room?

Ваш ответ правильный:

Fire extinguishers equipped for powder or CO2 only.
31

What type of fire integrity must be provided for an engine control room?

Ваш ответ правильный:

A 60.
32

You have abandoned ship in a liferaft. In most cases, which of the following actions should you generally take?

Ваш ответ правильный:

Organise a lookout system. Join up with other survival craft if possible. Stream the sea anchor.
33

On a fire patrol at night you see smoke coming from a closed cabin door. What action should you take first?

Ваш ответ правильный:

Activate the nearest fire alarm button and advise bridge of the location of the fire.
34

What does the word “pyrotechnics” mean?

Ваш ответ правильный:

Pyrotechnics are the items which are capable of self-contained chemical reactions for the production heat, light, smoke and/or sound.
35

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?

Ваш ответ правильный:

A set of feeler gauges.
36

With reference to the efficiency of cargo pumps on oil tankers, the abbreviation NPSH stands for:

Ваш ответ правильный:

Net Pressure Suction Head.
37

What would be the effects of a ship passing into shallow waters?

Ваш ответ правильный:

The ship is less responsive to both rudder and propeller.
38

What is the capacity of the required portable fluid extinguishers?

Ваш ответ правильный:

Not more than 13,5 litres and not less than 9 litres.
39

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?

Правильный ответ:

A central cooling system.

Ваш ответ:

A low temperature freshwater system.
40

The purpose of the demister unit within the Inert Gas System is:

Ваш ответ правильный:

To remove water from the IGS stream.
41

Shipboard Emergency Drills must be carried out at least (OPA-90):

Ваш ответ правильный:

Once a month.
42

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?

Правильный ответ:

12-16 times per minute.

Ваш ответ:

10-12 times per minute.
43

Which of the following areas may be possible restricted areas? Review all answers.

Ваш ответ правильный:

All alternatives.
44

What special equipment can often provide assistance in locating a survival craft or man overboard and in the water?

Ваш ответ правильный:

A SART.
45

What measures should be taken when handling mail?

Ваш ответ правильный:

X-ray or scan parcels before opening them.
46

The normal carbon content of Crude Oil is in the range of:

Ваш ответ правильный:

83-87 %.
47

What actions should the Officer of the Watch take when the ship’s steering gear fails?

Ваш ответ правильный:

All of the suggested answers.
48

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.

Ваш ответ правильный:

Renew the plunger and barrel insert as a pair.
49

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?

Ваш ответ правильный:

System undercharged with refrigerant.
50

A detector that is activated by a rise of temperature is:

Ваш ответ правильный:

A thermic detector.
51

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:

Правильный ответ:

10 Mohm.

Ваш ответ:

90 Mohm.
52

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.

Ваш ответ правильный:

Natural rubber sheet of approximately the same thickness and elasticity as the original diaphragm material.
53

What is the correct name of the part highlighted in the sketch?

Ваш ответ правильный:

Fuel injector.
54

The following information must be given on the SART:

Правильный ответ:

Date of replacement of the batteries.

Ваш ответ:

The MMSI number sent.
55

What would be the most probable cause of the exhaust gas temperature from one cylinder of a diesel engine being lower than normal?

Ваш ответ правильный:

The opening pressure for the injection valve for the cylinder is set too high.
56

What do you understand by the order: “Move the pilot ladder to the other side”?

Ваш ответ правильный:

To shift the pilot ladder to the opposite side of the ship.
57

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?

Ваш ответ правильный:

Gradually tighten all of the bolts working diagonally across and around the flange.
58

The purpose of having corrugations in the bulkheads of cargo tanks of an oil tanker is to:

Правильный ответ:

Provide strength, but with clean and clear surfaces within the tank.

Ваш ответ:

Reduce the effects of Free Surface within the vessel.
59

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?

Ваш ответ правильный:

It will minimise the risk of slipping off the nut or damaging the nuts.
60

Is there any special area where it is forbidden to pump out any sludge or oil residues?

Ваш ответ правильный:

There are 8 special area where it is forbidden to pump out any sludge or oil residues.
61

What is the correct name of the equipment shown in the sketch?

Ваш ответ правильный:

Pedestal drill.
62

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?

Ваш ответ правильный:

Any certified strop which has a safe working load greater than the weight of the motor.
63

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?

Правильный ответ:

Go to your lifeboat station.

Ваш ответ:

Go to your fire station.
64

What is the most likely cause of black smoke at the boiler exhaust during normal operation of a steam boiler?

Ваш ответ правильный:

Insufficient combustion air.
65

When shutting down the flue gas plant, the last step that the operator shall carry out would be to:

Ваш ответ правильный:

Shut down of inert gas blower.
66

Which one of the listed requirements regarding the stowage of a survival craft corresponds to present SOLAS regulations? Each survival craft shall be stowed:

Правильный ответ:

In a secure and sheltered position and protected from damage by fire or explosion.

Ваш ответ:

In a state of readiness so that two crew-members can prepare for embarkation and launching in less than 15 minutes.
67

How many rocket parachute flares are carried in each liferaft with SOLAS B pack?

Ваш ответ правильный:

2.
68

When cargo discharge reaches stripping levels on an oil tanker, it is necessary to reduce the inert gas pressure so as to:

Ваш ответ правильный:

Minimise blowback.
69

Which of the following answers would most appropriately describe shell plating damage to the vessel?

Ваш ответ правильный:

My vessel has sustained damage to shell plating below the waterline in way of No. 3 cargo hold, starboard side.
70

What kind of extinguishing-remedy would you choose to put out an electrical fire?

Ваш ответ правильный:

Dry extinguishing remedy.
71

As per international regulations, the minimum inert gas pressure required to be maintained in slop tanks if slops are retained on board is:

Ваш ответ правильный:

100 mm/water gauge.
72

Unfortunately an insect has become lodged in the ear. How to remove the insect?

Ваш ответ правильный:

Gently flood the casualty’s ear with terpid water so that the insect will float out.
73

Hot work is to be carried out close to a smoke detector in the engine room. What precautions should be taken?

Ваш ответ правильный:

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.
74

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?

Ваш ответ правильный:

G = I/R.
75

What signal, if any, is specified in SOLAS as the “Abandon ship” signal?

Правильный ответ:

Seven short blasts followed by one long blast.

Ваш ответ:

Four long blasts.
76

During an oil cargo discharging operation, the IG supply to the tanks fails. As an OOW you would:

Ваш ответ правильный:

Immediately stop the discharging and inform the Chief Officer.
77

What would be the most probable cause of high temperature readings for the bearings in a diesel engine?

Ваш ответ правильный:

Lubricating oil pressure too low.
78

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?

Ваш ответ правильный:

The area where the welding is to take place and adjacent spaces to be cleaned and all unnecessary materials and objects to be removed.
79

Where would you find out which fire sections are enclosed by “A” or “B” class divisions on a ship?

Ваш ответ правильный:

On the ship’s fire control plans.
80

How many thermal protective aids are carried in each liferaft?

Ваш ответ правильный:

The number of persons the liferaft is permitted to accommodate.
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