Compressors, Gas Turbines and Jet Engines The work-done on a compressor will be minimum if air is taken from The atmosphere A source at 0° C A source of high temperature air A source of low temperature air The atmosphere A source at 0° C A source of high temperature air A source of low temperature air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Standard air is the air at ___ and relative humidity of 36 percent. 0.1 bar and 20°C 0.1 bar and 40°C 1 bar and 40°C 1 bar and 20°C 0.1 bar and 20°C 0.1 bar and 40°C 1 bar and 40°C 1 bar and 20°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is Lower Same Higher None of these Lower Same Higher None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by Adding heat exchanger Injecting water in/around combustion chamber All of these Reheating the air after partial expansion in the turbine Adding heat exchanger Injecting water in/around combustion chamber All of these Reheating the air after partial expansion in the turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In which case the air-fuel ratio is likely to be maximum? Gas turbine 4-stroke petrol engine 4-stroke diesel engine Multi cylinder engine Gas turbine 4-stroke petrol engine 4-stroke diesel engine Multi cylinder engine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbines use following type of air compressor Centrifugal type Reciprocating type Axial flow type Lobe type Centrifugal type Reciprocating type Axial flow type Lobe type ANSWER DOWNLOAD EXAMIANS APP