Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency Decreases First decrease and then increase Does not change Increases Decreases First decrease and then increase Does not change Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It can fly at supersonic speeds It can fly at high elevations It has high propulsive efficiency at high speeds It has high power for take off It can fly at supersonic speeds It can fly at high elevations It has high propulsive efficiency at high speeds It has high power for take off ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter-cooling in multistage compressors is done To minimize the work of compression To enable compression in two stages To cool the air during compression To cool the air at delivery To minimize the work of compression To enable compression in two stages To cool the air during compression To cool the air at delivery ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In an axial flow compressor, the ratio of pressure in the rotor blades to the pressure rise in the compressor in one stage is known as Degree of reaction Slip factor Pressure coefficient Work factor Degree of reaction Slip factor Pressure coefficient Work factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity with decrease in suction temperature Increases May increase or decrease depending on compressor capacity Remain unaffected Decreases Increases May increase or decrease depending on compressor capacity Remain unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Producer gas is produced by Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 65°C Carbonisation of coal Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 65°C Carbonisation of coal ANSWER DOWNLOAD EXAMIANS APP