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

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

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 essentially an isentropic process
Exit nozzle, which is a constant volume process
Turbine blades, which is essentially an isentropic process

ANSWER DOWNLOAD EXAMIANS APP

Compressors, Gas Turbines and Jet Engines
Inter-cooling in gas turbine results in

Increase in both thermal efficiency and net output
Increase in thermal efficiency but decrease in net output
Increase in net output but decrease in thermal efficiency
Decrease in both thermal efficiency and net output

ANSWER DOWNLOAD EXAMIANS APP