Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Closed cycle & Open cycle Closed/open depending on other considerations Open cycle Closed cycle Closed cycle & Open cycle Closed/open depending on other considerations Open cycle Closed cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum compression ratio in an actual single stage axial flow compressor is of the order of 0.00070833333333333 0.043055555555556 0.048611111111111 0.045138888888889 0.00070833333333333 0.043055555555556 0.048611111111111 0.045138888888889 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 Heated Bled gas from turbine is heated and readmitted for complete expansion Compressed air before entering the combustion chamber is heated Exhaust gases drive the compressor Heated Bled gas from turbine is heated and readmitted for complete expansion ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency can be attained by running the compressor At very high speed At zero speed At average speed At very slow speed At very high speed At zero speed At average speed At very slow speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The material commonly used for air craft gas turbine is Timken, Haste alloys Stainless steel Duralumin High alloy steel Timken, Haste alloys Stainless steel Duralumin High alloy steel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work done per cycle to the swept volume in case of compressor is called Compression index Compression ratio Mean effective pressure Compressor efficiency Compression index Compression ratio Mean effective pressure Compressor efficiency ANSWER DOWNLOAD EXAMIANS APP
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