Compressors, Gas Turbines and Jet Engines In a jet propulsion unit, the products of combustion after passing through the gas turbine are discharged into Discharge nozzle Vacuum Back to the compressor Atmosphere Discharge nozzle Vacuum Back to the compressor Atmosphere ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a double acting compressor, the air is compressed In two cylinders In one cylinder In a single cylinder on both sides of the piston In two cylinders on both sides of the piston In two cylinders In one cylinder In a single cylinder on both sides of the piston In two cylinders on both sides of the piston ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the discharge pressure to the inlet pressure of air is called Volumetric efficiency Compressor efficiency Expansion ratio Compression ratio Volumetric efficiency Compressor efficiency Expansion ratio Compression ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The effective power of gas turbines is increased by adding the following in compressor Carbon dioxide Nitrogen Hydrogen Ammonia and water vapour Carbon dioxide Nitrogen Hydrogen Ammonia and water vapour ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage. Double Equal to Six times Three times Double Equal to Six times Three times ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, paraffin is usually used as the fuel because of its Low freezing point Ease of atomisation High calorific value Both (A) and (C) above Low freezing point Ease of atomisation High calorific value Both (A) and (C) above ANSWER DOWNLOAD EXAMIANS APP