the pressure is the same as that outside, normal atmospheric pressure is maintained by the use of air pumps, the pressure inside is less than the pressure outside, normal humidity and partial vacuum are maintained" />
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Today General Knowledge(GK)
Inside an aeroplane, flying at a high altitude,
A)
the pressure is the same as that outside
B)
normal atmospheric pressure is maintained by the use of air pumps
C)
the pressure inside is less than the pressure outside
D)
normal humidity and partial vacuum are maintained

Correct Answer : Option (B) - normal atmospheric pressure is maintained by the use of air pumps


Published On : July 3, 2020
Category : Physics
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