Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the compressed air main line should Be laid vertically Be laid exactly horizontally Drop gradually towards the point of use Rise gradually towards the point of use Be laid vertically Be laid exactly horizontally Drop gradually towards the point of use Rise gradually towards the point of use ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in efficiency Increase in flow Increase in flow and decrease in efficiency Decrease in flow Increase in efficiency Increase in flow Increase in flow and decrease in efficiency Decrease in flow ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Choose the correct statement Gas turbines has flat efficiency at part loads Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading Gas turbine requires lot of cooling water Gas turbines has flat efficiency at part loads Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading Gas turbine requires lot of cooling water ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is Low/high depending on make and type Low Same High Low/high depending on make and type Low Same High ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The mass of gas turbine per kW developed is about ________ as that of an I.C. engine. One-half One sixth Same One fourth One-half One sixth Same One fourth ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In which case the air-fuel ratio is likely to be maximum? 4-stroke diesel engine 4-stroke petrol engine Gas turbine Multi cylinder engine 4-stroke diesel engine 4-stroke petrol engine Gas turbine Multi cylinder engine ANSWER DOWNLOAD EXAMIANS APP
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