Compressors, Gas Turbines and Jet Engines The degree of reaction is usually kept ________ for all types of axial flow compressors. 0.5 0.2 0.3 0.4 0.5 0.2 0.3 0.4 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have High h.p. and low weight Small frontal area and high h.p. Low weight and small frontal area High speed and high h.p. High h.p. and low weight Small frontal area and high h.p. Low weight and small frontal area High speed and high h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work ratio of a gas turbine plant is defined as the ratio of Net work output and isentropic heat drop Net work output and work done by turbine Net work output and heat supplied Actual heat drop and isentropic heat drop Net work output and isentropic heat drop Net work output and work done by turbine Net work output and heat supplied Actual heat drop and isentropic heat drop ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines An after-cooler is used to Cool the air Reduce volume of air Remove impurities from air Cause moisture and oil vapour to drop out Cool the air Reduce volume of air Remove impurities from air Cause moisture and oil vapour to drop out ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of compressor with increase in compression ratio will Decrease Increase May increase or decrease depending on clearance volume Remain same Decrease Increase May increase or decrease depending on clearance volume Remain same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum work is done in compressing air when the compression is Isothermal None of these Polytropic Adiabatic Isothermal None of these Polytropic Adiabatic ANSWER DOWNLOAD EXAMIANS APP