Compressors, Gas Turbines and Jet Engines Which of the following statement is correct as regard to centrifugal compressors? The static pressure of air in the impeller increases in order to provide centripetal force on the air The flow of air is parallel to the axis of the compressor The maximum efficiency is higher than multistage axial flow compressors 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 flow of air is parallel to the axis of the compressor The maximum efficiency is higher than multistage axial flow compressors The impeller rotates at high speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of compressor with increase in compression ratio will Increase Decrease Remain same May increase or decrease depending on clearance volume Increase Decrease Remain same May increase or decrease depending on clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Engine output and propulsive power Thrust power and propulsive power Thrust power and fuel energy Propulsive power and fuel input Engine output and propulsive power Thrust power and propulsive power Thrust power and fuel energy Propulsive power and fuel input ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor resembles Turbine Centrifugal pump Sliding vane compressor Reciprocating pump Turbine Centrifugal pump Sliding vane compressor Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For speed above 3000 km/hour, it is more advantageous to use Propellers Turbojet engine Ramjet engine Rockets Propellers Turbojet engine Ramjet engine Rockets ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compression ratio in a gas turbine is of the order of 3.5 : 1 0.50069444444444 0.20902777777778 0.33402777777778 3.5 : 1 0.50069444444444 0.20902777777778 0.33402777777778 ANSWER DOWNLOAD EXAMIANS APP
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