Basic Training for Ships subject to the IGF Code (BIGF) (Set 3)

Question 1 of 30

___________ is the vapour produced above the surface of a boiling cargo due to evaporation.

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B

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D

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Questions in this Practice Set

Q1

___________ is the vapour produced above the surface of a boiling cargo due to evaporation.

Q2

Boil-Off is caused by

Q3

Boiling point varies with

Q4

Boil-Off varies with

Q5

Booster pump used to

Q6

Cargo area contains

Q7

Cargo containment system is the arrangement for containment of cargo including where fitted with

Q8

______________ is the process in which vapour boil- off from acrgo tanks is condensed in a cargo condenser in which the coolant is a refrigerant gas such as R 22.

Q9

_____________ is the process occurring within the impeller of a pump when pressure at the inlet to the impeller falls below the vapour pressure of the liquid being pumped.

Q10

In Cavitation process, the bubbles of vapour that are formed collapse with impulsive force in the _________ pressure regions of the impeller.

Q11

Cavitation effect can cause significant damage to the

Q12

What are checked during the certificate of Fittness?

Q13

___________ ia the isolating space on a ship between two adjacent steel bulkheads or deck

Q14

Cofferdam is the isolating space on a ship between __________

Q15

___________ is the reliquefied gases which collect in the condenser and which are then returned to the cargo tanks.

Q16

Compression Ratio is the ratio of the absolute _____________ the discharge from a compressor divided by the absolute pressure at the suction

Q17

_____________ is the ratio of the absolute pressure at the discharge from a compressor divided by the absolute pressure at the suction

Q18

Natural gas contains ________ quantities of heavier hydrocarbons

Q19

Natural gas contains smaller quantities of ______hydrocarbons

Q20

Natural gas contains smaller quantities of heavier ________

Q21

Natural gas contains smaller quantities of heavier hydrocarbons collectively called as _________

Q22

Q23

What are the things Natural gas contains in varying amounts?

Q24

What are the acid gases removed in liquefaction plant?

Q25

In liquefaction plant which gas is removed as it freezes at a temperature above boiling point of Liquified Natural Gas

Q26

In liquefaction plant which toxic compound is removed?

Q27

In liquefaction plant, fractionating unit name the gas which is split?

Q28

In liquefaction plant, which gas is liquefied into end product?

Q29

What is the atmospheric boiling point of methane gas?

Q30

The basic liquefaction processes in current use are