Compressors, Gas Turbines and Jet Engines For speed above 3000 km/hour, it is more advantageous to use Propellers Turbojet engine Ramjet engine Rockets Propellers Turbojet engine Ramjet engine Rockets 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 The closed cycle in gas turbines Provides greater flexibility In never used Provides lesser flexibility Is used when gas is to be burnt Provides greater flexibility In never used Provides lesser flexibility Is used when gas is to be burnt ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the net work obtained from the gas turbine plant to the turbine work is known as Compression ratio Work ratio None of these Pressure ratio Compression ratio Work ratio None of these Pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor Increases with increase in compression ratio Decreases with increase in compression ratio Decreases with decrease in compression ratio Increases with decrease in compression ratio Increases with increase in compression ratio Decreases with increase in compression ratio Decreases with decrease in compression ratio Increases with decrease in compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pressure ratio in gas turbines is the ratio of Highest pressure to exhaust pressure Compressor pressure ratio Inlet pressure to exhaust pressure Pressures across the turbine Highest pressure to exhaust pressure Compressor pressure ratio Inlet pressure to exhaust pressure Pressures across the turbine ANSWER DOWNLOAD EXAMIANS APP
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