Compressors, Gas Turbines and Jet Engines Pick up the false statement 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 Gas turbine does not require huge quantity of water like steam plant ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For an irreversible gas turbine cycle, the efficiency and work ratio both depend on Minimum cycle temperature alone Both pressure ratio and maximum cycle temperature Pressure ratio alone Maximum cycle temperature alone Minimum cycle temperature alone Both pressure ratio and maximum cycle temperature Pressure ratio alone Maximum cycle temperature alone ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines When the temperature of air leaving the inter-cooler, in a two stage compression with inter-cooler, is ________ the original atmospheric air temperature, then the intercooling is known as perfect or complete intercooling. None of these Less than More than Equal to None of these Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air power of the compressor is also known as Brake power Indicated power None of these Frictional power Brake power Indicated power None of these Frictional power 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
Compressors, Gas Turbines and Jet Engines In jet engines, paraffin is usually used as the fuel because of its Ease of atomisation Both (A) and (C) above Low freezing point High calorific value Ease of atomisation Both (A) and (C) above Low freezing point High calorific value ANSWER DOWNLOAD EXAMIANS APP