Compressors, Gas Turbines and Jet Engines Rotary compressors are used for delivering Small quantities of air at low pressures Large quantities of air at low pressures Small quantities of air at high pressures Large quantities of air at high pressures Small quantities of air at low pressures Large quantities of air at low pressures Small quantities of air at high pressures Large quantities of air at high pressures ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For slow speed large capacity compressor, following type of valve will be best suited Disc or feather type Any of the above Poppet valve Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Disc or feather type Any of the above Poppet valve Mechanical valve of the Corliss, sleeve, rotary or semi rotary type 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 Two strokes Four strokes Three strokes One stroke Two strokes Four strokes Three strokes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio Increases Decreases Remain same First increases and then decreases Increases Decreases Remain same First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about advantages of multistage compressor in comparison to single stage compressor? Less power requirement Lower volumetric efficiency Less loss of air due to leakage past the cylinder Better mechanical balance Less power requirement Lower volumetric efficiency Less loss of air due to leakage past the cylinder Better mechanical balance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines After-cooler is used to Cool the air Decrease the delivery temperature for ease in handling Cause moisture and oil vapour to drop out Reduce volume Cool the air Decrease the delivery temperature for ease in handling Cause moisture and oil vapour to drop out Reduce volume ANSWER DOWNLOAD EXAMIANS APP
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