Compressors, Gas Turbines and Jet Engines Which of the following fuels can be used in turbojet engines? High speed diesel oil Kerosene Liquid hydrogen Methyl alcohol High speed diesel oil Kerosene Liquid hydrogen Methyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A turboprop is preferred to turbojet because It has high power for take off It can fly at high elevations It can fly at supersonic speeds It has high propulsive efficiency at high speeds It has high power for take off It can fly at high elevations It can fly at supersonic speeds It has high propulsive efficiency at high speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pressure ratio in gas turbines is the ratio of Highest pressure to exhaust pressure Pressures across the turbine Compressor pressure ratio Inlet pressure to exhaust pressure Highest pressure to exhaust pressure Pressures across the turbine Compressor pressure ratio Inlet pressure to exhaust pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The inter-cooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by (where p₁ = Intake pressure of air, p₂ = Inter-cooler pressure, and p₃ = Delivery pressure of air) p₂ = p₃/p₁ p₂ = p₁/p₃ p₂ = p₁ × p₂ p₂ = p₁ × p₃ p₂ = p₃/p₁ p₂ = p₁/p₃ p₂ = p₁ × p₂ p₂ = p₁ × p₃ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum combustion pressure in gas turbine as compared to I.C. engine is Same More Depends on other factors Less Same More Depends on other factors Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure and temperature conditions of air at the suction of compressor are Pressure slightly less than atmospheric and temperature slightly more than atmospheric Slightly more than atmospheric Slightly less than atmospheric Atmospheric Pressure slightly less than atmospheric and temperature slightly more than atmospheric Slightly more than atmospheric Slightly less than atmospheric Atmospheric ANSWER DOWNLOAD EXAMIANS APP
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