Тест по Oil Tanker Training System, Advanced (CES v5.0)

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1

A system for continuous monitoring of the concentration of hydrocarbon gases in the cargo pump-rooms shall be fitted. What is the max pre-set level?

Your answer is correct:

No higher than 10 % LFL.
2

Any discharge into the sea of oil or oily mixtures from the cargo area of an oil tanker shall be prohibited except when:

Your answer is correct:

The tanker is more than 50 nautical miles from nearest land.
3

As a general guidance to the suitability of an oil for crude oil washing the following criteria should be used. For aromatic crude oils whose kinematic viscosity is the temperature controlling characteristic, the kinematic viscosity of the oil used for COW should not exceed ___ centistokes at the oil wash medium temperature.

Your answer is correct:

60 centistokes.
4

As a general guidance to the suitability of an oil for crude oil washing the following criteria should be used. For paraffinic crude oils whose pour point temperature is the controlling characteristic, the temperature of the cargo to be used for COW should exceed its cloud point temperature by at least ___ if excessive sludging is present and should only be used once in a “closed cycle” washing program.

Your answer is correct:

10 °C.
5

Before any portable gas indicators are brought to the measuring spot, what is very important to do with these analysers first?

Your answer is correct:

To do a full calibration.
6

Cargo hoses in service should have a documented inspection at least annually to confirm their suitability for continued use. What is the normal testing pressure to check for leakage?

Your answer is correct:

1,5 times the Rated Working Pressure (RWP).
7

For what purpose do we use inert gas on board oil carriers?

Your answer is correct:

We use inert gas to replace the oxygen in the cargo tanks to maintain a neutral atmosphere.
8

From where on board can you find out the different types of protection equipment regarding where placed, how much, how many?

Your answer is correct:

The ship’s safety plan.
9

In order to avoid excessive electrostatic generation in the washing process during COW how many meters do you have to discharge from a cargo tank before you can use the content as source of washing fluid?

Your answer is correct:

1 m.
10

In which Annex of MARPOL do we find regulation for the prevention of pollution by garbage from ships?

Your answer is correct:

In Annex V.
11

In which Annex of MARPOL do we find regulation for the prevention of pollution by oil?

Your answer is correct:

In Annex I.
12

In which way may intake of poisoning material occur?

Your answer is correct:

By inhaling.; Skin penetrating and skin absorbing.; Swallowing.
13

Near by the access to shore a certain plan is to be kept in case of an emergency situation. What kind of plan?

Your answer is correct:

Safety plan.
14

The fire control draft on board is called the “safety plan” and shall be posted on board. In port, a copy of this plan shall in addition be available from somewhere else. Where shall this copy be available?

Your answer is correct:

At the gangway.
15

What do you call the method used for bone-soft part injures?

Your answer is correct:

ICE-method.
16

What does OBO means?

Your answer is correct:

Ore Bulk Oil.
17

What does VLCC means?

Your answer is correct:

Very large crude carrier.
18

What does the abbreviation TLV means?

Your answer is correct:

Threshold limit value.
19

What is it called when it is possible to ignite the vapour above the oil?

Your answer is correct:

Flash point.
20

What is the Permissible Exposure Limit (PEL) of hydrogen sulphide expressed as a Time Weighted Average (TWA)?

Your answer is correct:

10 ppm.
21

What is the common expression for all chemical compounds that includes carbon and hydrogen?

Your answer is correct:

Hydrocarbons.
22

What is the flammable range (%) for Propane?

Your answer is correct:

2,2-9,5.
23

What is the main quencher for an oil tanker?

Your answer is correct:

Foam.
24

What is the maximum oil content allowed in the arrival ballast water?

Your answer is correct:

15 ppm.
25

What is the maximum oil content in the ballast/washing water allowed to be pumped over board during a voyage?

Your answer is correct:

30 litres pr. nautical mile.
26

What is the maximum volume percent oxygen allowed in the tank during COW?

Your answer is correct:

Maximum volume percent oxygen shall not exceed 8 %.
27

What is the meaning of LEL?

Your answer is correct:

Lower explosive limit.
28

What is the meaning of LOT?

Your answer is correct:

Load on Top.
29

What is the meaning of UEL?

Your answer is correct:

Upper explosive limit.
30

What is the meaning of the abbreviation ABC due to first aid?

Your answer is correct:

Air, Breathing, Circulation.
31

What is the name of the device used for supervising all the ballast water to be pumped over board?

Your answer is correct:

Oil Detection Monitoring Equipment (ODME).
32

What is the normal clearance of the main suction (bellmouth) from the tank bottom to the stripping suction in the cargo tank?

Your answer is correct:

10 cm.
33

What is the proper name of CH4?

Your answer is correct:

Methane.
34

What is the requirement to capacity of stripping system during bottom COW of the cargo tanks?

Your answer is correct:

1,25 times the total through-put of all tank cleaning machines.
35

What is the requirement to capacity of the inert gas plant?

Your answer is correct:

At least 125 % of the maximum discharge capacity.
36

What is the requirement to number of drive units where the drive unit is not integral with the cleaning machine?

Your answer is correct:

No drive unit need to be moved more than twice from its original position.
37

What is the total quantity of the particular cargo you can discharge into the sea from a new tanker?

Your answer is correct:

1/30 000 of the total quantity of the particular cargo.
38

What is the usual activation point for high level alarms in cargo tanks?

Your answer is correct:

95 % of tank capacity.
39

What kind of cargo can be carried with an O/O ship?

Your answer is correct:

Either Ore or Oil.
40

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

Your answer is correct:

Dry extinguishing remedy.
41

What kind of fixed extinguishing plant is installed in an oil tankers engine room and pump room?

Your answer is correct:

CO2 plant.
42

When re-inerting a cargo tank before commence air venting, what is the maximum oxygen content in the supplied inert gas?

Your answer is correct:

5 % by volume.
43

Where do we find regulation regarding venting system on tankers?

Your answer is correct:

SOLAS.
44

Where venting is by high-velocity discharge valves, what is the minimum distance above the cargo tank deck?

Your answer is correct:

2 m.
45

Which oxygen content shall we measure before entering a tank or space after venting?

Your answer is correct:

The oxygen content shall be measured to 21 % by volume.
46

You are discovering a small leak of oil at the manifold during discharging. What is your first action?

Your answer is correct:

Call immediately the person in charge.
47

You are going to enter a tank to lift out some sediments. What kind of permits are needed to be issued before entering?

Your answer is correct:

Enclosed Space Entry Permit and Cold Work Permit.
48

You find the element carbon in only two different natural conditions. Which?

Your answer is correct:

Graphite and diamond.
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