Тест по Ship Energy Efficiency (CES v5.0)

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Правильні відповіді:
1

About how much of the energy supplied to a marine engine is lost? Select the ONE correct answer:

Ваша відповідь правильна:

About 50 %.
2

According to this module, approximately how much of the cost of running a cargo vessel is due to fuel consumption? Select the ONE best answer:

Ваша відповідь правильна:

50 %.
3

According to this module, how much fuel can be saved by fitting a bulbous bow to some ships? Select the ONE best answer:

Ваша відповідь правильна:

Up to 20 %.
4

According to this module, how often should a traditional antifouling paint be applied? Select the ONE best answer:

Ваша відповідь правильна:

Once a year.
5

According to this module, what is a typical hull roughness value for a new-build ship? Select the ONE correct answer:

Ваша відповідь правильна:

100 microns.
6

According to this module, what is a typical roughness value for a newly polished propeller? Select the ONE best answer:

Ваша відповідь правильна:

10 microns.
7

According to this module, what speed loss would justify an average vessel docking? Select the ONE best answer:

Ваша відповідь правильна:

0,5 knots.
8

An upgraded propeller gives a 10 % decrease in fuel consumption and engine modifications also give a 10 % decrease in fuel consumption. Calculate the overall fuel savings:

Ваша відповідь правильна:

19 %.
9

Choose the most fuel efficient option:

Ваша відповідь правильна:

Large propeller and a slow revolving shaft.
10

For a variable pitch propeller vessel what is the best pitch and propeller speed combination for optimum fuel consumption? Select the ONE correct answer:

Ваша відповідь правильна:

High pitch, low RPM.
11

For a vessel with a variable pitch propeller, what is the best way to adjust the speed of the ship? Select the ONE best answer:

Ваша відповідь правильна:

Adjust RPM.
12

If there is low frequency vibration of the engine at low speed, what is the probable location of the problem? Select the ONE best answer:

Ваша відповідь правильна:

The main propulsion shaft.
13

In general terms, what is the most fuel efficient shape for a vessel? Select the ONE best answer:

Ваша відповідь правильна:

Long and slim vessel.
14

Mark the ONE statement that is TRUE:

Ваша відповідь правильна:

SEEMP implementation is beneficial both financially and environmentally.
15

Select measures taken daily during an engine check:

Ваша відповідь правильна:

Exhaust temperature.; Fuel consumption.; Maximum combustion pressure.; Scavenging air pressure.
16

Select modifications required for de-rating:

Ваша відповідь правильна:

Ignition adjustment.; New injection nozzles.; Turbo-charger’s modification.; Valve system modification.
17

Select the measurements that should be recorded and monitored with special attention on board:

Ваша відповідь правильна:

Time spent at sea.; Time spent at port.; Distance sailed.; Fuel consumption.
18

Select the most optimal way of adjusting the speed of a vessel which uses a variable pitch propeller at full sea speed:

Ваша відповідь правильна:

RPM adjustment.
19

Select the speed loss that justifies docking:

Ваша відповідь правильна:

0,5 knots.
20

Select the statements that are FALSE:

Правильну відповідь:

The minimum instrument requirements for better fuel saving are a fuel gauge and a pressure gauge.; Properly used instruments can reduce fuel consumption by nearly 50 %.

Ваша відповідь:

The minimum instrument requirements for better fuel saving are a fuel gauge and a pressure gauge.; Properly used instruments can reduce fuel consumption by nearly 50 %.; The best way to find the accurate speed is to use a measured mile landmark.
21

What does SEEMP stand for? Select the ONE correct answer:

Ваша відповідь правильна:

Ship Energy Efficiency Management Plan.
22

What is the main reason for de-rating the engine and changing the propeller? Select the ONE best answer:

Ваша відповідь правильна:

A change in the service of the vessel.
23

Which ONE of the given options is the minimal instrumentation necessary to estimate fuel consumption? Select the ONE correct option:

Правильну відповідь:

Fuel gauge and speed log.

Ваша відповідь:

Fuel gauge and Doppler log.
24

Which ONE of these would benefit the most from a nozzle (tunnel) propeller? Select the ONE best answer:

Ваша відповідь правильна:

A slow speed ship with a high propeller load.
25

Which THREE of these measures increases the efficiency of steam heating? Select the THREE correct answers:

Ваша відповідь правильна:

Prevent leakage of steam from the pipework system.; Make sure that pipe insulation is fitted and in good condition.; Make sure that the steam leaves the heaters as condensate.
26

Which of these vessels would NOT benefit from using self-polishing antifouling? Select the ONE best answer:

Ваша відповідь правильна:

Ice operating vessels.
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