Compressors, Gas Turbines and Jet Engines The stagnation pressure rise in a centrifugal compressor takes place In the impeller only In the diffuser only In the diffuser and impeller In the inlet guide vanes only In the impeller only In the diffuser only In the diffuser and impeller In the inlet guide vanes only ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work done per unit mass of air in compression will be least when 'n' is equal to 1.4 1.2 1 1.3 1.4 1.2 1 1.3 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about air receivers? These act as reservoir to take care of sudden demands These knock out some oil and moisture These increase compressor efficiency These are used to dampen pulsations These act as reservoir to take care of sudden demands These knock out some oil and moisture These increase compressor efficiency These are used to dampen pulsations ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature 0.05 0.005 0.001 0.01 0.05 0.005 0.001 0.01 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbines use following type of air compressor Axial flow type Reciprocating type Centrifugal type Lobe type Axial flow type Reciprocating type Centrifugal type Lobe type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work-done on a compressor will be minimum if air is taken from 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 The atmosphere ANSWER DOWNLOAD EXAMIANS APP
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