Compressors, Gas Turbines and Jet Engines A closed cycle gas turbine consists of a All of these Cooling chamber Compressor Heating chamber All of these Cooling chamber Compressor Heating chamber ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Producer gas is produced by Carbonisation of coal Passing steam over incandescent coke 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 Carbonisation of coal Passing steam over incandescent coke 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 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 essentially an isentropic process Exit nozzle, which is a constant volume process Turbine blades, which is essentially an isentropic process Turbine blades, which is a constant volume process Exit nozzle, which is essentially an isentropic process Exit nozzle, which is a constant volume process Turbine blades, which is essentially an isentropic process ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Reheating in gas turbine results in Decrease of work ratio Both (A) and (B) above Increase of work ratio Decrease of thermal efficiency Decrease of work ratio Both (A) and (B) above Increase of work ratio Decrease of thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is Same Higher Lower None of these Same Higher Lower None of these ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For perfect intercooling in a three stage compressor p₁ p₂ = p₃ p₄ p₃/p₁ = p₄/p₂ p₂/p₁ = p₃/p₂ = p₄/p₃ p₁ p₃ = p₂ p₄ p₁ p₂ = p₃ p₄ p₃/p₁ = p₄/p₂ p₂/p₁ = p₃/p₂ = p₄/p₃ p₁ p₃ = p₂ p₄ ANSWER DOWNLOAD EXAMIANS APP