WorksheetsAIGF
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
In type B & membrane tanks, safety valve will lift at ____.
a)
700 bar
b)
0.7 Mpa
c)
700 mbar
d)
7 bar
2.
A .............. is required for immediate inerting because deliveries are in liquid form
a)
o2 vaporizer
b)
Nitrogen Vaporizer
c)
co2 vap
d)
all are correct
3.
2 All LNG lines should be fitted with ----------- to prevent liquid spill
a)
safety valve
b)
crock
c)
square steel
4.
3. Green house gas effects global warming, identify an incorrect statement
a)
About 40% man made global warming is caused by methane
b)
Major content of LNG is methane
c)
Roll over occurs when LNG ageing occurs
5.
Which of the below is the heaviest of all?
a)
Air
b)
Ammonia
c)
Methane
d)
LPG
6.
5. As per IGF code - gas pressure is defined as
a)
more than 300 bar
b)
less than 10 bar
c)
more than 10 bar
7.
7. What is the critical temperature of Butane?
a)
0.2221 deg C
b)
135 deg C
c)
33300 deg C
8.
8. The maximum allowable working pressure ( MAWP) of gas gas fuel tank shall not exceed_______________ of MARVS.
a)
100%
b)
50%
c)
10%
d)
90%
9.
12. In thermodynamics terms identity which one is a real fluid
a)
steam
b)
air
c)
flue gas
d)
all are correct
10.
At what temperature of the tank, LNG bunkering shall be started?
a)
-40 deg C
b)
130 deg C
c)
-10 deg C
d)
-130 deg C
100 %
