Compressors, Gas Dynamics and Gas Turbines Questions

• The velocity of air entering in a rocket is __________ as compared to an aircraft.
• In a jet engine, the air-fuel ratio is
• The workdone on a compressor will be minimum if air is taken from
• For perfect intercooling in a two stage compressor,
• The efficiency of the vane blower is (where W1 = Workdone due to compression, and W2 = Workdone due to back flow)
• In a two stage reciprocating compressor with intercooler, the amount of work saved with incomplete intercooling is __________ that in case of complete intercooling.
• Which one of the following is the effect of blade shape on performance of a centrifugal compressor?
• The multi-stage compression ofair as compared to single stage compression