Compressors, Gas Turbines and Jet Engines Choose the correct statement Gas turbine requires lot of cooling water Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading Gas turbines has flat efficiency at part loads Gas turbine requires lot of cooling water Gas turbines have high standby losses and require lot of maintenance Gas turbine is capable of rapid start up and loading Gas turbines has flat efficiency at part loads ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If infinite number of heaters be used in a gas turbine, then expansion process in turbine approaches Isothermal Isentropic Isochoric Adiabatic Isothermal Isentropic Isochoric Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The inter-cooler pressure, for minimum work required, for a two stage reciprocating air compressor, is given by (where p₁ = Intake pressure of air, p₂ = Inter-cooler pressure, and p₃ = Delivery pressure of air) p₂ = p₁/p₃ p₂ = p₁ × p₂ p₂ = p₃/p₁ p₂ = p₁ × p₃ p₂ = p₁/p₃ p₂ = p₁ × p₂ p₂ = p₃/p₁ p₂ = p₁ × p₃ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines More than one stage will be preferred for reciprocating compressor if the delivery pressure is more than 2 kg/cm² 10 kg/cm² 6 kg/cm² 14.7 kg/cm² 2 kg/cm² 10 kg/cm² 6 kg/cm² 14.7 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For supplying intermittent small quantity of air at high pressure, following compressor is best suited Axial Centrifugal Reciprocating Screw Axial Centrifugal Reciprocating Screw ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Euler's equation can be used for Axial flow compressors Radial flow compressors Pumps All of these Axial flow compressors Radial flow compressors Pumps All of these ANSWER DOWNLOAD EXAMIANS APP
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