Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Increase in flow Increase in flow and decrease in efficiency Decrease in flow Increase in efficiency Increase in flow Increase in flow and decrease in efficiency Decrease in flow Increase in efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pressure ratio in gas turbines is the ratio of Compressor pressure ratio Highest pressure to exhaust pressure Inlet pressure to exhaust pressure Pressures across the turbine Compressor pressure ratio Highest pressure to exhaust pressure Inlet pressure to exhaust pressure Pressures across the turbine ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor efficiency is the Compression work/motor input Total output/air input Isothermal H.P./shaft H.R Isothermal H.P/indicated H.R Compression work/motor input Total output/air input Isothermal H.P./shaft H.R Isothermal H.P/indicated H.R ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Compression efficiency is compared against Isothermal compression Ideal compression Adiabatic compression Isentropic compression Isothermal compression Ideal compression Adiabatic compression Isentropic compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a two stage compressor p₁ = p₂ p3 p₁ = p3 p₁/p₃ = p₂/p₁ p₂/p₁ = p₃/p₂ p₁ = p₂ p3 p₁ = p3 p₁/p₃ = p₂/p₁ p₂/p₁ = p₃/p₂ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The blades of gas turbine are made of Stainless steel High alloy steel Carbon steel High nickel alloy Stainless steel High alloy steel Carbon steel High nickel alloy ANSWER DOWNLOAD EXAMIANS APP
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