Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor without clearance volume, the work-done is maximum during None of these Isothermal compression Isentropic compression Polytropic compression None of these Isothermal compression Isentropic compression Polytropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbines for power generation are normally used To enable start thermal power plant In emergency To supply base load requirements To supply peak load requirements To enable start thermal power plant In emergency To supply base load requirements To supply peak load requirements ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called Degree of reaction Pressure ratio Slip factor Pressure coefficient Degree of reaction Pressure ratio Slip factor Pressure coefficient 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 The volumetric efficiency of a compressor Decreases with decrease in compression ratio Increases with increase in compression ratio Increases with decrease in compression ratio Decreases with increase in compression ratio Decreases with decrease in compression ratio Increases with increase in compression ratio Increases with decrease in compression ratio Decreases with increase in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating compressor, the suction, compression and delivery of air takes place in ________ of the piston. One stroke Three strokes Four strokes Two strokes One stroke Three strokes Four strokes Two strokes ANSWER DOWNLOAD EXAMIANS APP
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