Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Fully insulating the cylinder Cold water spray Multistage compression Both (A) and (B) above Fully insulating the cylinder Cold water spray Multistage compression Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Thrust power and propulsive power Thrust power and fuel energy Engine output and propulsive power Propulsive power and fuel input Thrust power and propulsive power Thrust power and fuel energy Engine output and propulsive power Propulsive power and fuel input 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 Exhaust gases drive the compressor Bled gas from turbine is heated and readmitted for complete expansion Compressed air before entering the combustion chamber is heated Heated Exhaust gases drive the compressor Bled gas from turbine is heated and readmitted for complete expansion Compressed air before entering the combustion chamber is heated Heated ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into Vacuum Discharge nozzle Atmosphere Back to the compressor Vacuum Discharge nozzle Atmosphere Back to the compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A simple turbojet engine is basically Gas turbine engine equipped with a propulsive nozzle and diffuse Chemical rocket engine A propeller system Ramjet engine Gas turbine engine equipped with a propulsive nozzle and diffuse Chemical rocket engine A propeller system Ramjet engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is Same Higher None of these Lower Same Higher None of these Lower ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS