Compressors, Gas Turbines and Jet Engines A compressor mostly used for supercharging of I.C. engines is Roots blower Reciprocating compressor Radial flow compressor Axial flow compressor Roots blower Reciprocating compressor Radial flow compressor Axial flow compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the Adiabatic temperature drop in the stage Total temperature drop in the stage Total adiabatic temperature drop Total temperature drop Adiabatic temperature drop in the stage Total temperature drop in the stage Total adiabatic temperature drop Total temperature drop ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pick up the false statement Gas turbine does not require huge quantity of water like steam plant Overall efficiency of gas turbine plant is lower than that of a reciprocating engine Gas turbine is a self starting unit Exhaust losses in gas turbine are high due to large mass flow rate Gas turbine does not require huge quantity of water like steam plant Overall efficiency of gas turbine plant is lower than that of a reciprocating engine Gas turbine is a self starting unit Exhaust losses in gas turbine are high due to large mass flow rate ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbines for power generation are normally used To supply base load requirements In emergency To supply peak load requirements To enable start thermal power plant To supply base load requirements In emergency To supply peak load requirements To enable start thermal power plant ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is Lower Higher None of these Same Lower Higher None of these Same 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) D₁/D₂ = p₁ p₂ D₁/D₂ = p₂/p₁ None of these D₁/D₂ = p₁/p₂ D₁/D₂ = p₁ p₂ D₁/D₂ = p₂/p₁ None of these D₁/D₂ = p₁/p₂ ANSWER DOWNLOAD EXAMIANS APP