In the aircraft propellers - Compressors, Gas Dynamics and Gas Turbines Quiz

Mechanical Engineering : Compressors, Gas Dynamics and Gas Turbines - Quiz(MCQ)

In the aircraft propellers

its functioning does not depend upon the presence of air

the propulsive matter is caused to flow around the propelled body

Both (A) and (B)

the propulsive matter is ejected from within the propelled body

Correct Answer : Option (D) : the propulsive matter is ejected from within the propelled body

Recently Updated in Compressors, Gas Dynamics and Gas Turbines Questions

The work ratio of simple gas turbine cycle depends on

Pressure ratio

Minimum cycle temperature

Maximum cycle temperature

All of the above

Correct Answer : All of the above

Knudsen number ranges in between 0.3 and 1 in ________

boundary region

boundary & transient region

transient region

None of the above

Correct Answer : transient region

Explanation : Knudsen number ranges in between 0.3 and 1 in transient region.

When altitude of earth is in between 90 km and 150 km Knudsen number can be in between 0.3 and _________

Correct Answer : 1

Explanation : When altitude of earth is in between 90 km and 150 km Knudsen number can be in between 0.3 and 1.