Compressors, Gas Turbines and Jet Engines A centrifugal compressor works on the principle of Centripetal action Conversion of pressure energy into kinetic energy Generating pressure directly Conversion of kinetic energy into pressure energy Centripetal action Conversion of pressure energy into kinetic energy Generating pressure directly Conversion of kinetic energy into pressure energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio Remain same First increases and then decreases Increases Decreases Remain same First increases and then decreases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity with decrease in suction temperature Decreases Increases May increase or decrease depending on compressor capacity Remain unaffected Decreases Increases May increase or decrease depending on compressor capacity Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about air receivers? These are used to dampen pulsations These act as reservoir to take care of sudden demands These increase compressor efficiency These knock out some oil and moisture These are used to dampen pulsations These act as reservoir to take care of sudden demands These increase compressor efficiency These knock out some oil and moisture ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Clearance volume in actual reciprocating compressors is essential To provide cushioning effect To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To attain high volumetric efficiency To accommodate Valves in the cylinder head To provide cushioning effect To provide cushioning effect and also to avoid mechanical bang of piston with cylinder head To attain high volumetric efficiency To accommodate Valves in the cylinder head ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Producer gas is produced by Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing air and a large amount of steam over waste coal at about 65°C Carbonisation of coal Passing steam over incandescent coke Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing air and a large amount of steam over waste coal at about 65°C Carbonisation of coal Passing steam over incandescent coke ANSWER DOWNLOAD EXAMIANS APP
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