Compressors, Gas Turbines and Jet Engines Gas turbine cycle with regenerator Allows operation at very high altitudes Increases thermal efficiency Allows high compression ratio Decreases heat loss is exhaust Allows operation at very high altitudes Increases thermal efficiency Allows high compression ratio Decreases heat loss is exhaust ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in Turbine blades, which is a constant volume process Exit nozzle, which is a constant volume process Exit nozzle, which is essentially an isentropic process Turbine blades, which is essentially an isentropic process Turbine blades, which is a constant volume process Exit nozzle, which is a constant volume process Exit nozzle, which is essentially an isentropic process Turbine blades, which is essentially an isentropic process ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines With the decrease in compression ratio, the volumetric efficiency First decrease and then increase Decreases Does not change Increases First decrease and then increase Decreases Does not change Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Choose the correct statement Gas turbine requires lot of cooling water Gas turbine is capable of rapid start up and loading Gas turbines has flat efficiency at part loads Gas turbines have high standby losses and require lot of maintenance Gas turbine requires lot of cooling water Gas turbine is capable of rapid start up and loading Gas turbines has flat efficiency at part loads Gas turbines have high standby losses and require lot of maintenance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 1050 km/hr 550 km/hr 1700 km/hr 2400 km/hr 1050 km/hr 550 km/hr 1700 km/hr 2400 km/hr ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If the flow of air through the compressor is perpendicular to its axis, then it is a Reciprocating compressor Turbo compressor Axial flow compressor Centrifugal compressor Reciprocating compressor Turbo compressor Axial flow compressor Centrifugal compressor ANSWER DOWNLOAD EXAMIANS APP
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