Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency can be attained by running the compressor At average speed At zero speed At very slow speed At very high speed At average speed At zero speed At very slow speed At very high speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The inlet pressure is always ___ the discharge pressure. More than Less than Equal to None of the listed here More than Less than Equal to None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall thermal efficiency of an ideal gas turbine plant is (where r = Pressure ratio) 1 - (1/r) ɣ-1/ɣ 1 - (1/r) ɣ/ɣ-1 r ɣ-1 1 - r ɣ-1 1 - (1/r) ɣ-1/ɣ 1 - (1/r) ɣ/ɣ-1 r ɣ-1 1 - r ɣ-1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air-fuel ratio in gas turbines is of the order of 7: 1 50: 1. 15: 1 30: 1 7: 1 50: 1. 15: 1 30: 1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of compressor with increase in compression ratio will Decrease May increase or decrease depending on clearance volume Remain same Increase Decrease May increase or decrease depending on clearance volume Remain same Increase ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler work is known as Slip factor Pressure coefficient Work coefficient Polytropic reaction Slip factor Pressure coefficient Work coefficient Polytropic reaction ANSWER DOWNLOAD EXAMIANS APP
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