Compressors, Gas Turbines and Jet Engines Which of the following statement is correct relating to rocket engines? The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel All of these The exit velocities of exhaust gases are much higher than those in jet engine The stagnation conditions exist at the combustion chamber The combustion chamber in a rocket engine is directly analogous to the reservoir of a supersonic wind tunnel All of these The exit velocities of exhaust gases are much higher than those in jet engine The stagnation conditions exist at the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a three stage compressor p₁ p₂ = p₃ p₄ p₂/p₁ = p₃/p₂ = p₄/p₃ p₃/p₁ = p₄/p₂ p₁ p₃ = p₂ p₄ p₁ p₂ = p₃ p₄ p₂/p₁ = p₃/p₂ = p₄/p₃ p₃/p₁ = p₄/p₂ p₁ p₃ = p₂ p₄ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The thermal efficiency of a simple gas turbine for a given turbine inlet temperature with increase in pressure ratio First increases and then decreases First decreases and then increases Increases Decreases First increases and then decreases First decreases and then increases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The compressor performance at higher altitude compared to sea level will be Dependent on other factors Same Higher Lower Dependent on other factors Same Higher Lower ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines It is not possible to use closed gas turbine cycle in aeronautical engines because None of these It requires cooling water for its operation It is bulky It is inefficient None of these It requires cooling water for its operation It is bulky It is inefficient ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air delivered in a medium capacity air compressor per unit time is None of these 0.15 to 5 m³/s 0.1 to 1.2 m³/s Above 5 m³/s None of these 0.15 to 5 m³/s 0.1 to 1.2 m³/s Above 5 m³/s ANSWER DOWNLOAD EXAMIANS APP
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