Тест по Engine department for all types of vessels (CES v6.0)

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The test consisted of 80 random questions.
Total questions on this topic: 171
Your result: 91%
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Right answers:
1

On a RoRo vessel carrying no more than 36 passengers, what is the minimum capacity of the ventilation system protecting standard cargo spaces intended for carriage of motor vehicles with fuel in their tanks for their own propulsion.

Correct answer:

6 air changes per hour.

Your Answer:

12 air changes per hour.
2

When is it compulsory to use emergency wires/fire wires for mooring the vessel?

Your answer is correct:

During loading/discharging of persistent/non-persistent oil.
3

Why are all RoRo passengers ships divided into vertical “zones”?

Correct answer:

Vertical zones are fire zones which can be divided from each other with fire doors. In case of fire, all fire doors in front and aft of the fire will be closed to prevent spreading of smoke/fire.

Your Answer:

There is one fire team in each zone.
4

How will you calculate transverse accelerations?

Your answer is correct:

Multiply the values taken from tables 2, 3 and 4 of the Cargo Stowage and Security (CSS) Code.
5

According to the rules of GMDSS vessels are equipped with certain radio-communication devices depending on:

Your answer is correct:

The sea areas.
6

What should you do if the temperature of Hydrogen Peroxide Solution 65 % carried is raising 2 °C per 5 hours and the temperature is above 40 °C?

Your answer is correct:

To avoid uncontrolled decomposition the cargo should be discharged overboard.
7

On the figure possible definitions of the term “HEIGHT” are given. Which one is the correct one?

Your answer is correct:

Height is given by D on the figure.
8

With two alternators operating in parallel at 75 % load capacity, one trips without any warning. What is the first action that should be taken?

Your answer is correct:

Trip/stop all nonessential loads that are connected to the switchboard.
9

What could be the possible cause of an engine knocking?

Your answer is correct:

Any of the below.
10

This circuit consists of two resistances, R1 = 6 ohm and R2 = 12 ohm, connected in series. Calculate the equivalent resistance R(S) of the two resistances.

Your answer is correct:

R(S) = 18 ohm.
11

What is the purpose of adding inhibitor to the individual cargo?

Your answer is correct:

To assure all oxygen is removed from cargo tank and avoid chemical reaction.
12

This circuit consists of a voltage source V, a change-over switch S, a resistor R and a capacitor C. The voltage/time figures 1 to 4 show changes in the voltage V (C) when the switch S is suddenly shifted from position 1 to 2 at time t = 0. Only one of the diagrams is correct. Which?

Your answer is correct:

Figure 1.
13

Is it necessary to construct a passage plan (or voyage plan), for transiting a canal or river, when under pilot?

Your answer is correct:

A passage plan is always required, irrespective of the length of the voyage, or if the ship is under pilot.
14

You have just joined a chemical tanker. Where would you find a description of the ship’s cargo handling equipment, details on the ship’s cargo unloading procedures and tank stripping and details on procedures relating to the cleaning of cargo tanks, the discharge of residues, ballasting and deballasting?

Your answer is correct:

The Annex II Procedures and Arrangements Manual.
15

On a container vessel, where should a mid-bay guide be positioned?

Your answer is correct:

On the tank top mid-way in 40′ guides to prevent transverse movement of 20′ containers.
16

What are we seeing here?

Your answer is correct:

A sailing vessel less than 20 metres in length, displaying the optional combined lantern in lieu of standard sailing lights, seen head on.
17

By reduced transmitting power is meant in VHF a power between:

Your answer is correct:

0,5-1 watt.
18

What colour flare is used to signal a highly dangerous landing place?

Your answer is correct:

Red.
19

Part of the outer surface of a refrigeration compressor crankcase and the refrigerant return line near the compressor ice up heavily during normal operation. Which of the options given is the most likely cause of this problem?

Your answer is correct:

The superheat control setting for the thermostatic expansion valve is set too low.
20

In respect of washings from the cargo area of an oil tanker, what is the maximum instantaneous rate of oil that can be pumped into the sea when a vessel is outside a special area, proceeding en route, has in operation a monitoring and control system for the discharge of oil and is located more than 50 nautical miles from the nearest land?

Your answer is correct:

30 litres per nautical miles.
21

When 3 phase alternators are operating in parallel, it is very important that the reactive load is evenly shared so that the total alternator loads are evenly shared. If the total alternator load is the vector sum of active and reactive loads, which side of vector diagram (power triangle) shown represents the reactive load?

Your answer is correct:

(Y).
22

When lashing general cargoes why are short lashings preferred to long ones?

Your answer is correct:

Because they are more easily tightened and held in tension.
23

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?

Your answer is correct:

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.
24

Diodes are widely used in rectification, or the conversion of alternating current to direct current. The sinusoidal input voltage V (in) is applied to the circuit shown. Which of the output voltages is correct?

Your answer is correct:

Figure 1.
25

Which is the “PANAMA LEAD”, in the figure?

Your answer is correct:

The Panama Lead is indicated by C, in the figure.
26

A coated tank holds 400 tons of sea water when filled. How many tons of liquid of liter weight 0,9300 will it hold when filled to 90 % capacity?

Your answer is correct:

326,6 Mt.
27

Which type of compressors is used as cargo compressors onboard gas carriers?

Your answer is correct:

Piston, screw and centrifugal type compressors.
28

What is a steering wheel?

Your answer is correct:

A helm used to steer the ship.
29

What is polymerisation?

Your answer is correct:

The process by which unsaturated chemical compounds are heated under pressure, causing the molecules to react with each other and form larger molecules.
30

What are the requirements regarding slop tank capacity on combination carriers with smooth walls (bulkheads)?

Your answer is correct:

Not less than 1 % of the oil-carrying capacity of the ship.
31

Who shall carry out the detailed preliminary supervision of maritime service of seafarers before the commencement of service?

Your answer is correct:

The employer/master.
32

A rocket parachute flare reaches an altitude of:

Your answer is correct:

Not less than 180 m.
33

If oil flows out of the bowl casing drain of a solids ejecting separator what is the most likely problem?

Your answer is correct:

Insufficient amount of bowl closing water.
34

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

Your answer is correct:

Flat file.
35

What is a good practice when lineblowing/pigging from shore?

Your answer is correct:

There must always be one man on the ship’s manifold, operating the manifold valve in order to avoid to much pressure raise in the tank.
36

Sea area A4 is in maritime radio traffic sea area:

Your answer is correct:

Outside the sea areas A1, A2 and A3.
37

The following DSC was received (at what time received?) 27.05.1997 23:23 CALLED VHF CH70 FORMAT: DISTRESS DIST-ID: 367449000 N OF: UNDESG DISTRESS POSITION: N 52,43 E04.maj DIST-UTC: 00:00 TELECOM: G3E SIMP TEL EOS: EOS.

Your answer is correct:

23:23.
38

Give the meaning of the following symbol:

Your answer is correct:

Start water-spray.
39

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

Your answer is correct:

Fire extinguishers equipped for powder or CO2 only.
40

On some trades fruit cargoes may be subjected to “in-transit cold treatment” also known as cold treatment. From the options given which is the main purpose of this cold treatment?

Your answer is correct:

To maintain a specified minimum temperature for a prescribed time period to kill off any fruit fly which may be present when loading the cargo.
41

Which of the below statements characterizes the most significant differences between a water-tube boiler and a fire-tube boiler during operation?

Your answer is correct:

Water-tube boilers are more efficient and contains less water. They suffer from major damages when run dry during operation.
42

There are many types of pumps fitted onboard ship which an engine room rating may be required to assist with the maintenance of. Which type of pump is shown in the illustration?

Your answer is correct:

A centrifugal pump.
43

Other than the official log book what other publications must be carried on board of a vessel?

Your answer is correct:

Charts, nautical publications, GMDSS log, Oil Record book(s).
44

What is the minimum capacity of a ventilation system protecting cargo spaces, other than special category spaces, intended for carriage of motor vehicles with fuel in their thanks for their own propulsion in a ship carrying no more than 36 passengers or in a cargo ship?

Your answer is correct:

6 air changes per hour.
45

A lifejacket is so constructed that a person can correctly do it within a period of:

Your answer is correct:

1 min.
46

What symptom would you think shows that the freon filter drier has become blocked?

Your answer is correct:

A large temperature drop across the drier.
47

Having a CO2 alarm during normal working hours, what immediate action should be taken?

Your answer is correct:

Get out of the engine room as soon as possible.
48

If your vessel was to load sugar which of these situations would result in the cargo holds failing inspection?

Your answer is correct:

Traces of insect infestation in the bilges.
49

Which is the preferred method for starting an air conditioning refrigeration compressor which has been shut down for a period of time?

Your answer is correct:

Start with suction valve throttled in to minimise risk of drawing liquid refrigerant into the compressor.
50

What will you do if the heat transfer capacity is dropping, and we know that flow and heat energy corresponds to the specifications?

Your answer is correct:

Use the “cleaning in place” arrangement to open the heat exchanger for visual inspection and manual cleaning.
51

Which is the “Windlass”, in the figure?

Your answer is correct:

The Windlass is indicated by D, in the figure.
52

If the heat transfer capacity in a heat exchanger is dropping, the following action should be taken:

Your answer is correct:

Clean the heat transfer surface.
53

One water fog applicator is required for each pair of breathing apparatus on board which type of ship?

Your answer is correct:

Passenger ships carrying more than 36 passengers.
54

On a RoRo vessel, when loading Double Stacked containers on Maffi Trailers how many twist locks should have used between 2 containers?

Your answer is correct:

One on every corner, 4 in total.
55

How many lifebuoys can you expect to find on board a cargo ship of 190 metres in length (including those of the quick-release system)?

Your answer is correct:

At least 12 distributed on both sides of the ship.
56

You are inerting a cargo tank on an oil tanker, prior to gas-freeing for entry. What is the maximum permitted oxygen content in the inert gas main as required by SOLAS 1974?

Your answer is correct:

5 % by volume.
57

You are on a vessel 10 nautical miles off the coast of Nigeria, West Africa. Are you allowed to dump empty glass bottles overboard?

Your answer is correct:

Yes, the bottles can be dumped if they are ground so that the resulting particles can pass through a screen with 25 mm openings.
58

What are the compressors fitted as part of the cargo system onboard LNG carriers normally used for?

Your answer is correct:

Removing boil-off gas.
59

What action should be taken if the heat transfer capacity of a heat exchanger operating as a lubricating oil cooler is reducing?

Correct answer:

The heat transfer surfaces should be cleaned.

Your Answer:

Increase the cooling water pressure.
60

What is the required pressure when testing parts of the oil transfer system (hoses, loading arms etc.) if the test is to satisfy US Coast Guard regulations?

Your answer is correct:

Test pressure equal to 1,5 times the maximum allowable working pressure.
61

The picture shows a common used 3,5 inches diskette type for storing data. What is the data storing capacity for such diskette?

Your answer is correct:

1,44 MB.
62

Feed check valves for main and auxilliary purposes are normally of the double shut off type, as shown in the diagram. What is the main function of the non-return valve?

Your answer is correct:

To prevent the steam and water in the boiler from discharging out by the feed line, if a feed line fracture or a joint in the line blows.
63

On a Container vessel, what determines how containers should be lashed?

Your answer is correct:

The cargo securing manual.
64

When there is doubt about the freshness of the atmosphere in enclosed or confined spaces, what actions should be taken?

Correct answer:

Arrangements should be made for testing of the atmosphere to ensure maintenance of 21 % oxygen and a carbon monoxide content below 50 ppm in the atmosphere of the space.

Your Answer:

Ro-ro decks are always ventilated in advance of an operation.
65

What is the purpose of the LD (low duty) compressors on an LNG carrier?

Your answer is correct:

To handle the LNG boil-off vapour for fuelling the boiler.
66

To make a “call-request” one should:

Your answer is correct:

Select the telex in on-line position.
67

A bulk carrier is loading to complete on summer draught of 10,00 m when in salt water; the vessel is loading in river water; The dock water allowance is 80 mm; The maximum draught when loading is completed is:

Correct answer:

10,08 metres.

Your Answer:

10,80 metres.
68

Which one of the listed requirements regarding fire protected lifeboats do not correspond to present regulations? Water spray systems shall:

Your answer is correct:

Have separate draining pumps of sufficient capacity.
69

At least how often shall rescue boats be launched with their assigned crew and manoeuvred in the water?

Your answer is correct:

Every 3 months.
70

There is requirement in MARPOL for the slop tank capacity of oil tankers. What is the requirement for SBT tankers?

Your answer is correct:

2 % where segregated ballast tanks or dedicated clean ballast tanks are provided in accordance with MARPOL.
71

What does wet washing mean?

Your answer is correct:

The bottom washing starts whilst there is still a small amount of cargo in the tank.
72

This circuit consists of two capacitors, C(1) = 6 μF and C(2) = 12 μF, in series. Calculate the equivalent C(S) of the two capacitors.

Your answer is correct:

C(S) = 4 μF.
73

Is the master under obligation to do a maritime inquiry if a crewmember suffered a considerably injury onboard and died after a week on a hospital ashore?

Correct answer:

Yes, even if he/she did not die while onboard.

Your Answer:

No.
74

A drip tray containing oil is on fire. The only fire fighting equipment available is water hose with spray jet/spray nozzle. How, if at all, should you attempt to put out this fire using water?

Your answer is correct:

The water can be applied in a fine spray starting from the front in a sweeping motion.
75

Which is the “Fairlead”, in the figure?

Your answer is correct:

The Fairlead is indicated by C, in the figure.
76

Searchlights must be provided for night navigation in the Suez Canal. Which of the listed requirements are correct?

Your answer is correct:

Vessels with bulbous bow, LPG and LNG vessels must provide their own projector.
77

Cargo gear/cranes should at regular intervals be thoroughly examined and load tested by a recognised company/yard. How often should such examination/load test take place?

Your answer is correct:

Every 5th year.
78

The circuit consists of two inductors, L(1) = 6 H and L(2) = 12 H, connected in parallel. Calculate the equivalent L(S) of the two inductors:

Your answer is correct:

L(S) = 4 H.
79

Most fruit cargoes carried under refrigeration require introduction of fresh air into the cargo space to remove any excess carbon dioxide and ethylene produced by respiration of the cargo and sensors are fitted to detect these gases. Shipper’s instructions will often indicate “constant air change” as a requirement for a cargo. Why, even though this is a crude method for controlling the cargo space atmosphere, is this type of instruction given?

Your answer is correct:

Some cargoes are very sensitive to ethylene levels and it may be difficult to accurately measure the low levels that would affect a cargo.
80

What is the weather associated with being in the centre of an Anticyclone (a region of High Pressure)?

Correct answer:

Light winds and fair weather, sometimes fog.

Your Answer:

Strong winds but with very little rain.
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