Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency can be attained by running the compressor At very high speed At very slow speed At average speed At zero speed At very high speed At very slow speed At average speed At zero speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the cross compounding of the gas turbine plant Both the arrangements can be employed All are connected in series H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine Both the arrangements can be employed All are connected in series H.P. compressor is connected to H.P. turbine and L.P. compressor to L.P. turbine H.P. compressor is connected to L.P. turbine and L.P. compressor is connected to H.P. turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum delivery pressure in a rotary air compressor is 30 bar 10 bar 20 bar 50 bar 30 bar 10 bar 20 bar 50 bar ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ideal efficiency of simple gas turbine cycle depends on Pressure ratio Maximum cycle temperature All of these Minimum cycle temperature Pressure ratio Maximum cycle temperature All of these Minimum cycle temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of Increasing gas temperature High friction losses High specific volume Paucity of O2 Increasing gas temperature High friction losses High specific volume Paucity of O2 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If p₁, is the pressure of air entering the L.P. cylinder and p₂ is the pressure of air leaving the L.P. cylinder (or inter-cooler pressure), then the ratio of cylinder diameters for a single acting, two stage reciprocating air compressor with complete intercooling is given by (where D₁ = Dia. of L.P. cylinder, and D₂ = Dia. of H.P. cylinder) None of these D₁/D₂ = p₁/p₂ D₁/D₂ = p₁ p₂ D₁/D₂ = p₂/p₁ None of these D₁/D₂ = p₁/p₂ D₁/D₂ = p₁ p₂ D₁/D₂ = p₂/p₁ ANSWER DOWNLOAD EXAMIANS APP
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