Compressors, Gas Turbines and Jet Engines If the flow of air through the compressor is perpendicular to its axis, then it is a Centrifugal compressor Reciprocating compressor Turbo compressor Axial flow compressor Centrifugal compressor Reciprocating compressor Turbo compressor Axial flow compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the wrong statement about advantages of multistage compression Mechanical balance is better Better lubrication is possible advantages of multistage More loss of air due to leakage past the cylinder Air can be cooled perfectly in between Mechanical balance is better Better lubrication is possible advantages of multistage More loss of air due to leakage past the cylinder Air can be cooled perfectly in between ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity U < Vo Vi = Vo Vt > Vo V = Uo U < Vo Vi = Vo Vt > Vo V = Uo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than 2 kg/cm² 6 kg/cm² 10 kg/cm² 14.7 kg/cm² 2 kg/cm² 6 kg/cm² 10 kg/cm² 14.7 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of specific weight/h.p. of gas turbine and I.C engines may be typically of the order of 0.16736111111111 0.042361111111111 0.045833333333333 0.084027777777778 0.16736111111111 0.042361111111111 0.045833333333333 0.084027777777778 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency can be attained by running the compressor At zero speed At average speed At very high speed At very slow speed At zero speed At average speed At very high speed At very slow speed ANSWER DOWNLOAD EXAMIANS APP
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