Compressors, Gas Turbines and Jet Engines In a single acting reciprocating air compressor, without clearance, the compression of air may be Isentropic Any one of these Polytropic Isothermal Isentropic Any one of these Polytropic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Producer gas is produced by Carbonisation of coal Passing air and a large amount of steam over waste coal at about 65°C Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke Carbonisation of coal Passing air and a large amount of steam over waste coal at about 65°C Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Passing steam over incandescent coke ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Maximum temperature in a gas turbine is of the order of 700°C 2000°C 1500°C 1000°C 700°C 2000°C 1500°C 1000°C 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 Increases First decreases and then increases Decreases First increases and then decreases Increases First decreases and then increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work ratio of simple gas turbine cycle depends on Maximum cycle temperature All of these Minimum cycle temperature Pressure ratio Maximum cycle temperature All of these Minimum cycle temperature Pressure ratio ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If p₁ is the pressure of air entering the L.P, cylinder and p₃ is the pressure of air leaving the H.P. cylinder, then the ratio of cylinder diameters for a single acting, two stage reciprocating compressor with complete intercooling is given by D₁/D₂ = (p₁ p₃)1/2 D₁/D₂ = (p₁ p₃)1/4 D₁/D₂ = (p₃/p₁)1/4 D₁/D₂ = (p₁/p₃)1/4 D₁/D₂ = (p₁ p₃)1/2 D₁/D₂ = (p₁ p₃)1/4 D₁/D₂ = (p₃/p₁)1/4 D₁/D₂ = (p₁/p₃)1/4 ANSWER DOWNLOAD EXAMIANS APP
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