Compressors, Gas Turbines and Jet Engines Water is injected in gas turbine cycle to Control output of turbine Increase efficiency Control fire hazards Control temperature Control output of turbine Increase efficiency Control fire hazards Control temperature ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum temperature in a gas turbine is of the order of 700°C 1000°C 1500°C 2000°C 700°C 1000°C 1500°C 2000°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A 3 m³/min compressor means that it Compresses 3 m³/ min of free air Delivers 3 m³/ min of compressed air at delivery pressure Delivers 3 m³/ min of compressed air Compresses 3 m³/min of standard air Compresses 3 m³/ min of free air Delivers 3 m³/ min of compressed air at delivery pressure Delivers 3 m³/ min of compressed air Compresses 3 m³/min of standard air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is Less Same May be less or more depending on ambient conditions More Less Same May be less or more depending on ambient conditions More ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The criterion of the thermodynamic efficiency for rotary compressor is Isentropic compression Polytropic compression Isothermal compression None of the listed here Isentropic compression Polytropic compression Isothermal compression None of the listed here 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 None of these D₁/D₂ = p₂/p₁ D₁/D₂ = p₁ p₂ D₁/D₂ = p₁/p₂ None of these D₁/D₂ = p₂/p₁ D₁/D₂ = p₁ p₂ ANSWER DOWNLOAD EXAMIANS APP