Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Isentropic Isothermal Any one of these Polytropic Isentropic Isothermal Any one of these Polytropic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a high pressure compressor, the delivery pressure is 1 to 5 bar 5 to 8 bar 8 to 10 bar 10 to 15 bar 1 to 5 bar 5 to 8 bar 8 to 10 bar 10 to 15 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before entering the compressor is Compressed air before entering the combustion chamber is heated Exhaust gases drive the compressor Bled gas from turbine is heated and readmitted for complete expansion Heated Compressed air before entering the combustion chamber is heated Exhaust gases drive the compressor Bled gas from turbine is heated and readmitted for complete expansion Heated ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pressure ratio in gas turbines is the ratio of Inlet pressure to exhaust pressure Compressor pressure ratio Highest pressure to exhaust pressure Pressures across the turbine Inlet pressure to exhaust pressure Compressor pressure ratio Highest pressure to exhaust pressure Pressures across the turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of the vane blower is (where W₁ = Workdone due to compression, and W₂ = Workdone due to back flow) W₁/(W₁ + W₂) W₂/(W₁ + W₂) (W₁ + W₂)/W₂ (W₁ + W₂)/W₁ W₁/(W₁ + W₂) W₂/(W₁ + W₂) (W₁ + W₂)/W₂ (W₁ + W₂)/W₁ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compression ratio for the compressor is always _________ unity. More than Less than Equal to None of these More than Less than Equal to None of these ANSWER DOWNLOAD EXAMIANS APP
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