Compressors, Gas Turbines and Jet Engines Ram compression in turbojet involves Compression of inlet air Increasing speed of incoming air Lost work Reduction of speed of incoming air and conversion of part of it into pressure energy Compression of inlet air Increasing speed of incoming air Lost work Reduction of speed of incoming air and conversion of part of it into pressure energy ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a reciprocating air compressor, the compression work per kg of air Decreases as clearance volume increases Increases as clearance volume decreases Is independent of clearance volume Increases as clearance volume increases Decreases as clearance volume increases Increases as clearance volume decreases Is independent of clearance volume Increases as clearance volume increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum temperature in a gas turbine is of the order of 1500°C 2000°C 700°C 1000°C 1500°C 2000°C 700°C 1000°C ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor capacity with decrease in suction temperature Decreases Remain unaffected May increase or decrease depending on compressor capacity Increases Decreases Remain unaffected May increase or decrease depending on compressor capacity Increases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of jet engine is Lower at low speed Higher at high speed Same at all altitudes Higher at high altitudes Lower at low speed Higher at high speed Same at all altitudes Higher at high altitudes ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work ratio of a gas turbine plant is defined as the ratio of Net work output and work done by turbine Net work output and isentropic heat drop Net work output and heat supplied Actual heat drop and isentropic heat drop Net work output and work done by turbine Net work output and isentropic heat drop Net work output and heat supplied Actual heat drop and isentropic heat drop ANSWER DOWNLOAD EXAMIANS APP