Compressors, Gas Turbines and Jet Engines The ideal efficiency of simple gas turbine cycle depends on Pressure ratio Minimum cycle temperature All of these Maximum cycle temperature Pressure ratio Minimum cycle temperature All of these Maximum cycle temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The minimum work required for a three stage reciprocating air compressor is ___ the work required for each stage. Three times Double Six times Equal to Three times Double Six times Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The overall isothermal efficiency of compressor is defined as the ratio of Work to compress air isothermally to work for actual compression Isothermal h.p. to the BHP of motor Power to drive compressor to isothermal h.p. Isothermal h.p. to adiabatic h.p. Work to compress air isothermally to work for actual compression Isothermal h.p. to the BHP of motor Power to drive compressor to isothermal h.p. Isothermal h.p. to adiabatic h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Adiabatic compression is one in which Temperature rise follows a linear relationship Work done is maximum No heat leaves or enters the compressor cylinder during compression Temperature during compression remains constant Temperature rise follows a linear relationship Work done is maximum No heat leaves or enters the compressor cylinder during compression Temperature during compression remains constant 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 0.33402777777778 0.50069444444444 0.20902777777778 3.5 : 1 0.33402777777778 0.50069444444444 0.20902777777778 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For supplying intermittent small quantity of air at high pressure, following compressor is best suited Axial Centrifugal Screw Reciprocating Axial Centrifugal Screw Reciprocating ANSWER DOWNLOAD EXAMIANS APP