Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 60 to 70% 40 to 60% 70 to 90% 10 to 40% 60 to 70% 40 to 60% 70 to 90% 10 to 40% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 1700 km/hr 1050 km/hr 550 km/hr 2400 km/hr 1700 km/hr 1050 km/hr 550 km/hr 2400 km/hr ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressed air may be used For operating pneumatic drills All of the listed here In starting and supercharging of I.C. engines In gas turbine plants For operating pneumatic drills All of the listed here In starting and supercharging of I.C. engines In gas turbine plants ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines High air-fuel ratio is used in gas turbines To increase the output To increase the efficiency To save fuel To reduce the exit temperature To increase the output To increase the efficiency To save fuel To reduce the exit temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An after-cooler is used to Cool the air Reduce volume of air Remove impurities from air Cause moisture and oil vapour to drop out Cool the air Reduce volume of air Remove impurities from air Cause moisture and oil vapour to drop out ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The type of rotary compressor used in aeroplanes, is of Radial flow type None of these Axial flow type Centrifugal type Radial flow type None of these Axial flow type Centrifugal type ANSWER DOWNLOAD EXAMIANS APP
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