Compressors, Gas Turbines and Jet Engines Pick up wrong statement. Surging phenomenon in centrifugal compressor depends on Mass flow rate Stagnation pressure at the outlet Pressure ratio Change in load Mass flow rate Stagnation pressure at the outlet Pressure ratio Change in load ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the aircraft propellers All of these Its functioning does not depend on presence of air Propulsive matter is ejected from within the propelled body The propulsive matter is caused to flow around the propelled body All of these Its functioning does not depend on presence of air Propulsive matter is ejected from within the propelled body The propulsive matter is caused to flow around the propelled body ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of compressor with increase in compression ratio will May increase or decrease depending on clearance volume Remain same Increase Decrease May increase or decrease depending on clearance volume Remain same Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The degree of reaction of an axial flow turbine is the ratio of isentropic temperature drop in a blade row to the Total temperature drop in the stage Total adiabatic temperature drop Adiabatic temperature drop in the stage Total temperature drop Total temperature drop in the stage Total adiabatic temperature drop Adiabatic temperature drop in the stage Total temperature drop 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
Compressors, Gas Turbines and Jet Engines A closed gas turbine in which fuel is burnt directly in the air is not possible because of Paucity of O2 High specific volume Increasing gas temperature High friction losses Paucity of O2 High specific volume Increasing gas temperature High friction losses ANSWER DOWNLOAD EXAMIANS APP
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