Compressors, Gas Turbines and Jet Engines The stagnation pressure rise in a centrifugal compressor takes place In the diffuser and impeller In the impeller only In the diffuser only In the inlet guide vanes only In the diffuser and impeller In the impeller only In the diffuser only In the inlet guide vanes only 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 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 V = Uo Vi = Vo Vt > Vo U < Vo V = Uo Vi = Vo Vt > Vo U < Vo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work done per cycle to the swept volume in case of compressor is called Mean effective pressure Compressor efficiency Compression ratio Compression index Mean effective pressure Compressor efficiency Compression ratio Compression index ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the compressed air main line should Rise gradually towards the point of use Drop gradually towards the point of use Be laid vertically Be laid exactly horizontally Rise gradually towards the point of use Drop gradually towards the point of use Be laid vertically Be laid exactly horizontally ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Compression efficiency is compared against Adiabatic compression Isothermal compression Isentropic compression Ideal compression Adiabatic compression Isothermal compression Isentropic compression Ideal compression ANSWER DOWNLOAD EXAMIANS APP