Compressors, Gas Turbines and Jet Engines Which of the following statement is correct as regard to centrifugal compressors? The maximum efficiency is higher than multistage axial flow compressors The flow of air is parallel to the axis of the compressor The impeller rotates at high speeds The static pressure of air in the impeller increases in order to provide centripetal force on the air The maximum efficiency is higher than multistage axial flow compressors The flow of air is parallel to the axis of the compressor The impeller rotates at high speeds The static pressure of air in the impeller increases in order to provide centripetal force on the air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The fuel consumption in gas turbines is accounted for by Higher heating value Heating value Higher calorific value Lower heating value Higher heating value Heating value Higher calorific value Lower heating value ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The following property is most important for material used for gas turbine blade Toughness Creep Corrosion resistance Fatigue Toughness Creep Corrosion resistance Fatigue ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines During base load operation, the best method of controlling compressor is Constant speed unloader Start-stop motor Relief valve Variable speed Constant speed unloader Start-stop motor Relief valve Variable speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A compressor at high altitude will draw Less power More power Same power More/less power depending on other factors Less power More power Same power More/less power depending on other factors ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines After-cooler is used to Cool the air Cause moisture and oil vapour to drop out Reduce volume Decrease the delivery temperature for ease in handling Cool the air Cause moisture and oil vapour to drop out Reduce volume Decrease the delivery temperature for ease in handling ANSWER DOWNLOAD EXAMIANS APP
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