Compressors, Gas Turbines and Jet Engines Standard air is the air at ___ and relative humidity of 36 percent. 0.1 bar and 40°C 1 bar and 40°C 1 bar and 20°C 0.1 bar and 20°C 0.1 bar and 40°C 1 bar and 40°C 1 bar and 20°C 0.1 bar and 20°C 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 sixth One fourth Same One-half One sixth One fourth Same One-half ANSWER DOWNLOAD EXAMIANS APP
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 In the axial flow gas turbine, the work ratio is the ratio of Actual total head temperature drop to the isentropic total head drop from total head inlet to static head outlet Compressor work and turbine work Actual compressor work and theoretical compressor work Output and input Actual total head temperature drop to the isentropic total head drop from total head inlet to static head outlet Compressor work and turbine work Actual compressor work and theoretical compressor work Output and input ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A large clearance volume in a reciprocating compressor results in Lower delivery pressure Lower suction pressure Reduced volume flow rate Increased volume flow rate Lower delivery pressure Lower suction pressure Reduced volume flow rate Increased volume flow rate ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The clearance volume of the air compressor is kept minimum because 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 It greatly affects volumetric efficiency ANSWER DOWNLOAD EXAMIANS APP
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