Question

18) What does the pressurizing of 1 point
insulation spaces with nitrogen
and maintaining a slightly higher
pressure than the atmospheric
pressure prevent?
a) Formation of explosive mixture
ingress of moisture and air
O b) Fall in cargo tank temperatures
c) Collapse of the inflated insulation
boxes
O
d) Accidental formation of vacuum
leading to membrane collapse​

Answer 1

Answer:

correct ans. is option C