Compressors, Gas Turbines and Jet Engines During base load operation, the best method of controlling compressor is Relief valve Start-stop motor Constant speed unloader Variable speed Relief valve Start-stop motor Constant speed unloader Variable speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work in multistage compression, assuming same index of compression in all stages Work done in subsequent stages should increase Work done in subsequent stages should decrease Work done in all stages should be equal Work done in first stage should be more Work done in subsequent stages should increase Work done in subsequent stages should decrease Work done in all stages should be equal Work done in first stage should be more ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air is delivered ________ in one revolution in case of a three lobbed rotor. Two times Six times Three times Four times Two times Six times Three times Four times ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Separators in compressor installations are located After receiver After inter-cooler Between after-cooler and air receiver Before inter-cooler After receiver After inter-cooler Between after-cooler and air receiver Before inter-cooler 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 minimum during Isentropic compression None of these Polytropic compression Isothermal compression Isentropic compression None of these Polytropic compression Isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a reciprocating air compressor, the compression work per kg of air Increases as clearance volume decreases Is independent of clearance volume Decreases as clearance volume increases Increases as clearance volume increases Increases as clearance volume decreases Is independent of clearance volume Decreases as clearance volume increases Increases as clearance volume increases ANSWER DOWNLOAD EXAMIANS APP