Compressors, Gas Turbines and Jet Engines The output of a gas turbine is 300 KW and its efficiency is 20 percent, the heat supplied is 6000 KW 15 KW 600 KW 150 KW 6000 KW 15 KW 600 KW 150 KW ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The clearance volume of the air compressor is kept minimum because It greatly affects volumetric efficiency It results in minimum work It allows maximum compression to be achieved It permits isothermal compression It greatly affects volumetric efficiency It results in minimum work It allows maximum compression to be achieved It permits isothermal compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single stage, single acting reciprocating air compressor, without clearance, the work-done on the air during isentropic compression is ________ the heat required to raise the temperature of air from Tâ to Tâ at a constant pressure. None of these Greater than Less than Equal to None of these Greater than Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For speed above 3000 km/hour, it is more advantageous to use Ramjet engine Propellers Turbojet engine Rockets Ramjet engine Propellers Turbojet engine Rockets ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct as regard to centrifugal compressors? The impeller rotates at high speeds The maximum efficiency is higher than multistage axial flow compressors The flow of air is parallel to the axis of the compressor The static pressure of air in the impeller increases in order to provide centripetal force on the air The impeller rotates at high speeds The maximum efficiency is higher than multistage axial flow compressors The flow of air is parallel to the axis of the compressor 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 A compressor mostly used for supercharging of I.C. engines is Roots blower Axial flow compressor Reciprocating compressor Radial flow compressor Roots blower Axial flow compressor Reciprocating compressor Radial flow compressor ANSWER DOWNLOAD EXAMIANS APP
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