Compressors, Gas Turbines and Jet Engines The net work input required for compressor with increase in clearance volume Decreases Increases/decreases depending on compressor capacity Increases Remains same Decreases Increases/decreases depending on compressor capacity Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of roots blower ________ with the increase in pressure ratio. Increases Does not change Decreases None of these Increases Does not change Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor without clearance volume, the work-done is maximum during Isothermal compression None of these Polytropic compression Isentropic compression Isothermal compression None of these Polytropic compression Isentropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The clearance volume of the air compressor is kept minimum because It greatly affects volumetric efficiency It allows maximum compression to be achieved It permits isothermal compression It results in minimum work It greatly affects volumetric efficiency It allows maximum compression to be achieved It permits isothermal compression It results in minimum work ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The main purpose of reheating in gas turbine is to Increase speed Reduce turbine size Increase temperature Increase power output Increase speed Reduce turbine size Increase temperature Increase power output ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The most efficient method of compressing air is to compress it Isentropically Isochronically Isothermally Adiabatically Isentropically Isochronically Isothermally Adiabatically ANSWER DOWNLOAD EXAMIANS APP