Compressors, Gas Turbines and Jet Engines The net work input required for compressor with increase in clearance volume Increases Remains same Increases/decreases depending on compressor capacity Decreases Increases Remains same Increases/decreases depending on compressor capacity Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air is delivered ________ in one revolution in case of a three lobbed rotor. Three times Six times Four times Two times Three times Six times Four times Two times ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a compressor, free air delivered is the actual volume delivered at the stated pressure reduced to N.T.P. conditions 0°C and 1 kg/cm² Intake temperature and pressure conditions 20°C and 1 kg/cm² N.T.P. conditions 0°C and 1 kg/cm² Intake temperature and pressure conditions 20°C and 1 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. None of these Increases Does not change Decreases None of these Increases Does not change Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A 3 m³/min compressor means that it Compresses 3 m³/ min of free air Delivers 3 m³/ min of compressed air Compresses 3 m³/min of standard air Delivers 3 m³/ min of compressed air at delivery pressure Compresses 3 m³/ min of free air Delivers 3 m³/ min of compressed air Compresses 3 m³/min of standard air Delivers 3 m³/ min of compressed air at delivery pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a high pressure compressor, the delivery pressure is 10 to 15 bar 8 to 10 bar 5 to 8 bar 1 to 5 bar 10 to 15 bar 8 to 10 bar 5 to 8 bar 1 to 5 bar ANSWER DOWNLOAD EXAMIANS APP