Compressors, Gas Turbines and Jet Engines A rocket works with maximum overall efficiency when air craft velocity is equal to the Half the jet velocity Jet velocity Twice the jet velocity Average of the jet velocity Half the jet velocity Jet velocity Twice the jet velocity Average of the jet velocity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An ideal air compressor cycle without clearance on P-V diagram can be represented by following processes One adiabatic, one isobaric and two constant volumes Two adiabatic and two isobaric One adiabatic, two isobaric, and one constant volume Two adiabatic, one isobaric and one constant volume One adiabatic, one isobaric and two constant volumes Two adiabatic and two isobaric One adiabatic, two isobaric, and one constant volume Two adiabatic, one isobaric and one constant volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reciprocating air compressor is best suited for Small quantity of air at low pressure Large quantity of air at low pressure Small quantity of air at high pressure Large quantity of air at high pressure Small quantity of air at low pressure Large quantity of air at low pressure Small quantity of air at high pressure Large quantity of air at high pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ram compression in turbojet involves Reduction of speed of incoming air and conversion of part of it into pressure energy Lost work Increasing speed of incoming air Compression of inlet air Reduction of speed of incoming air and conversion of part of it into pressure energy Lost work Increasing speed of incoming air Compression of inlet air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A rotary compressor is driven by an None of these Electric motor Either (A) or (B) Engine None of these Electric motor Either (A) or (B) Engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a closed cycle gas turbine, the air is compressed Polytropically Isothermally Isentropically None of these Polytropically Isothermally Isentropically None of these ANSWER DOWNLOAD EXAMIANS APP