Compressors, Gas Turbines and Jet Engines Ratio of indicated h.p. to shaft h.p. in known as Compressor efficiency Volumetric efficiency Mechanical efficiency Isothermal efficiency Compressor efficiency Volumetric efficiency Mechanical efficiency Isothermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Polytropic Isentropic Isothermal Any one of these Polytropic Isentropic Isothermal Any one of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines, for the efficient production of large power, fuel is burnt in an atmosphere of Vacuum Atmospheric air Oxygen alone Compressed air Vacuum Atmospheric air Oxygen alone Compressed air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following plants is smallest and lightest for generating a given amount of power? Gas turbine plant Diesel engine Petrol engine Solar plant Gas turbine plant Diesel engine Petrol engine Solar plant ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The indicated work per unit mass of air delivered is Directly proportional to clearance volume Not affected by clearance volume Greatly affected by clearance volume Inversely proportional to clearance volume Directly proportional to clearance volume Not affected by clearance volume Greatly affected by clearance volume Inversely proportional to clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity U < Vo Vt > Vo V = Uo Vi = Vo U < Vo Vt > Vo V = Uo Vi = Vo ANSWER DOWNLOAD EXAMIANS APP