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Advanced Training for Liquefied Gas Tanker Cargo Operations (GASCO) (Set 3)

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Question 1 of 30
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Question 1 of 30

Deep well pump shaft bearing are cooled and lubricated by liquid

Questions in GASCO Set 3

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30 MCQs
Q1
Deep well pump shaft bearing are cooled and lubricated by liquid
Q2
The study of behaviour of matter at low temperature is called
Q3
Fixed gas detection system alarms should be activated when the vapour concentration reaches
Q4
A device fitted in gas vent pipeline to arrest the passage of flame Into enclosed space
Q5
Chemical combination of flammable substance with oxygen is called
Q6
Which cargo operation are to be recorded in cargo record book :
Q7
When cargo carried as liquid in cargo tanks and not shipped in drums , containers , or packages , what are they called as
Q8
Gas ship accommodation and machinery space are :
Q9
What is the hazards – reactivity when cargo reacts with water called
Q10
Fire fighting technique with a pool fire is to sweep
Q11
The mass of a Vapour compared with the mass of an equal volume of air both at standard condition to temp and pressure is
Q12
All account accommodation ventilation system should be stopped or operated on closed cycle if there is possibility of cargo vapour being drawn into accommodation space
Q13
What is the liquid relative density at atmospheric boiling point for ethylene
Q14
The term "overall damage" includes both safety hazards and pollution hazard.
Q15
Removal of liquid from the cargo tank may cause ______ in inter barrier space pressure and these should be monitored throughout the discharge
Q16
Changing of cargo which may involve
Q17
On which type of cargo tank would you find a bimetallic joint or STJ
Q18
If the cargo density is different from that specified the float gauge manufacturer what will you adjust
Q19
The frequency of pressure testing ashore of BA set should at least every
Q20
What is the guiding rule for limiting pressure surge on loading or discharging
Q21
The ventilation of the airlock should be of the ______ pressure type
Q22
Why is it necessary to cool down cargo tanks (refrigerated ships) during bulk loading
Q23
An overdose of toxic petroleum vapour effects your sense of smell by
Q24
All liquefied gases produces vapours which have a relative vapour density greater than that of
Q25
Gas codes and classification society rules require every tank to be fitted at least _____ level gauge
Q26
The concentration of a hydrocarbon gas is air below which there is insufficient hydrocarbon is called
Q27
After stopping the cargo compressor, the glycol/water system is left running to provide
Q28
Fixed water spray system for fire protection purpose in gas tanker covers area such as
Q29
When carbon atoms joined by double covalent bonds C-C or triple covalent bonds, what is it called as
Q30
What is liquid relative density at atmospheric boiling point of methane

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