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 For slow speed large capacity compressor, following type of valve will be best suited Poppet valve Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Any of the above Disc or feather type Poppet valve Mechanical valve of the Corliss, sleeve, rotary or semi rotary type Any of the above Disc or feather type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An ideal air compressor cycle with clearance on P-V diagram can be represented by following processes Two adiabatic, one isobaric and one constant volume One adiabatic, one isobaric and two constant volumes One adiabatic, two isobaric, and one constant volume Two adiabatic and two isobaric Two adiabatic, one isobaric and one constant volume One adiabatic, one isobaric and two constant volumes One adiabatic, two isobaric, and one constant volume Two adiabatic and two isobaric ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the outlet angle from the rotor of a centrifugal compressor is more than 90°, then the blades are said to be Radial Backward curved None of the listed here Forward curved Radial Backward curved None of the listed here Forward curved ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The assumption made in two stage compression with inter-cooler is that The compression in both the cylinders is polytropic All of the listed here There is no pressure drop in the inter-cooler The suction and delivery of air takes place at constant pressure The compression in both the cylinders is polytropic All of the listed here There is no pressure drop in the inter-cooler The suction and delivery of air takes place at constant pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet propulsion power unit, the inlet duct of diverging shape is used in order to Collect more air Provide robust structure Beautify the shape Convert kinetic energy of air into pressure energy Collect more air Provide robust structure Beautify the shape Convert kinetic energy of air into pressure energy ANSWER DOWNLOAD EXAMIANS APP
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