Compressors, Gas Turbines and Jet Engines Ramjet engine Produces a jet consisting of plasma Is self operating at zero flight speed Requires no air for its operation Is not self operating at zero flight speed Produces a jet consisting of plasma Is self operating at zero flight speed Requires no air for its operation Is not self operating at zero flight speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before entering the compressor is Heated Bled gas from turbine is heated and readmitted for complete expansion Exhaust gases drive the compressor Compressed air before entering the combustion chamber is heated Heated Bled gas from turbine is heated and readmitted for complete expansion Exhaust gases drive the compressor Compressed air before entering the combustion chamber is heated ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine works on Joule cycle Ericsson cycle Carnot cycle Rankine cycle Joule cycle Ericsson cycle Carnot cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum temperature in a gas turbine is 700°C 200°C 500°C 1000°C 700°C 200°C 500°C 1000°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Propulsive power and fuel input Engine output and propulsive power Thrust power and fuel energy Thrust power and propulsive power Propulsive power and fuel input Engine output and propulsive power Thrust power and fuel energy Thrust power and propulsive power ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in gas turbine results in Decrease of thermal efficiency Both (A) and (B) above Decrease of work ratio Increase of work ratio Decrease of thermal efficiency Both (A) and (B) above Decrease of work ratio Increase of work ratio ANSWER DOWNLOAD EXAMIANS APP