Compressors, Gas Turbines and Jet Engines The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turbine and fixed higher and lower temperature) with increase in pressure ratio will Increase first at slow rate and then fast Increase first at fast rate and then slow First increase, reach maximum and then decrease Decrease continuously Increase first at slow rate and then fast Increase first at fast rate and then slow First increase, reach maximum and then decrease Decrease continuously ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of work done per cycle to the swept volume in case of compressor is called Mean effective pressure Compression ratio Compressor efficiency Compression index Mean effective pressure Compression ratio Compressor efficiency Compression index ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 40 to 60% 60 to 70% 10 to 40% 70 to 90% 40 to 60% 60 to 70% 10 to 40% 70 to 90% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a three stage compressor p₁ p₃ = p₂ p₄ p₂/p₁ = p₃/p₂ = p₄/p₃ p₃/p₁ = p₄/p₂ p₁ p₂ = p₃ p₄ p₁ p₃ = p₂ p₄ p₂/p₁ = p₃/p₂ = p₄/p₃ p₃/p₁ = p₄/p₂ p₁ p₂ = p₃ p₄ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The type of rotary compressor used in gas turbines, is of None of the listed here Axial flow type Centrifugal type Radial flow type None of the listed here Axial flow type Centrifugal type Radial flow type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Producer gas is produced by Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing air and a large amount of steam over waste coal at about 65°C Passing steam over incandescent coke Carbonisation of coal Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing air and a large amount of steam over waste coal at about 65°C Passing steam over incandescent coke Carbonisation of coal ANSWER DOWNLOAD EXAMIANS APP
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