The air entry velocity m a rocket as compared to aircraft is_________________?

Related Mcqs:

Volumetric efficiency is_____________________?

A. the ratio of stroke volume to clearance volume B. the ratio of the air actually delivered to the amount of piston displacement C. reciprocal of compression ratio D. index of compressor performance E. proportional to compression ratio...

Reciprocating air compressor is best suited for___________________?

A. large quantity of air at high pressure B. small quantity of air at high pressure C. small quantity of air at low pressure D. large quantity of air at low pressure E. any one of the above...

For supplying intermittent small quantity of air at high pressure, following compressor is best suited__________________?

A. centrifugal B. reciprocating C. axial D. screw E. turbo jet...

The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio_____________________?

A. increases B. decreases C. first increases and then decreases D. first decreases and then increases E. remains same...

A rocket works with maximum overall efficiency when air craft velocity is equal to the_________________?

A. jet velocity B. twice the jet velocity C. half the jet velocity D. average of the jet velocity E. no such co-relationship with jet velocity exists...