Compressors, Gas Turbines and Jet Engines The effective power of gas turbines is increased by adding the following in compressor Hydrogen Carbon dioxide Ammonia and water vapour Nitrogen Hydrogen Carbon dioxide Ammonia and water vapour Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Temperature of gases at end of compression as compared to exhaust gases in a gas turbine is Lower Equal Can't be compared Higher Lower Equal Can't be compared Higher ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which is false statement about air receivers? These increase compressor efficiency These act as reservoir to take care of sudden demands These are used to dampen pulsations These knock out some oil and moisture These increase compressor efficiency These act as reservoir to take care of sudden demands These are used to dampen pulsations These knock out some oil and moisture ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Inter cooling in compressors Cools the delivered air Enables compression in two stages Results in saving of power in compressing a given volume to given pressure Is the standard practice for big compressors Cools the delivered air Enables compression in two stages Results in saving of power in compressing a given volume to given pressure Is the standard practice for big compressors ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a turbo jet engine, subsequent to heat addition to compressed air, to get the power output, the working substance is expanded in Turbine blades, which is a constant volume process Exit nozzle, which is a constant volume process Turbine blades, which is essentially an isentropic process Exit nozzle, which is essentially an isentropic process Turbine blades, which is a constant volume process Exit nozzle, which is a constant volume process Turbine blades, which is essentially an isentropic process Exit nozzle, which is essentially an isentropic process 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)1/4 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 D₁/D₂ = (p₁ p₃)1/2 ANSWER DOWNLOAD EXAMIANS APP
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