Compressors, Gas Turbines and Jet Engines Ram compression in turbojet involves Increasing speed of incoming air Lost work Compression of inlet air Reduction of speed of incoming air and conversion of part of it into pressure energy Increasing speed of incoming air Lost work Compression of inlet air Reduction of speed of incoming air and conversion of part of it into pressure energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The mean effective pressure of the compressor is the Volume of air delivered by the compressor None of these Volume of air sucked by the compressor during its suction stroke Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions Volume of air delivered by the compressor None of these Volume of air sucked by the compressor during its suction stroke Actual volume of the air delivered by the compressor when reduced to normal temperature and pressure conditions ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about multistage compression? It is best suited for compression ratios around 7:1 Power consumption per unit of air delivered is low Volumetric efficiency is high The moisture in air is condensed in the inter-cooler It is best suited for compression ratios around 7:1 Power consumption per unit of air delivered is low Volumetric efficiency is high The moisture in air is condensed in the inter-cooler ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For a two stage compressor, if index of compression for higher stage is greater than index of compression for lower stage, then the optimum pressure as compared to ideal case will Decrease Remain unaffected Increase Other factors control it Decrease Remain unaffected Increase Other factors control it ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the volume of free air delivery per stroke to the swept volume of the piston, is known as Volumetric efficiency Compressor efficiency Isothermal efficiency Mechanical efficiency Volumetric efficiency Compressor efficiency Isothermal efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Cylinder clearance in a compressor should be About 100% of swept volume About 50% of swept volume As small as possible As large as possible About 100% of swept volume About 50% of swept volume As small as possible As large as possible ANSWER DOWNLOAD EXAMIANS APP
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