Compressors, Gas Turbines and Jet Engines For supplying intermittent small quantity of air at high pressure, following compressor is best suited Centrifugal Axial Screw Reciprocating Centrifugal Axial Screw Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity Vt > Vo Vi = Vo U < Vo V = Uo Vt > Vo Vi = Vo U < Vo V = Uo ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of the increase in pressure in rotor blades to total increase in pressure in the stage is called Slip factor Degree of reaction Pressure ratio Pressure coefficient Slip factor Degree of reaction Pressure ratio Pressure coefficient ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A large clearance volume in a reciprocating compressor results in Reduced volume flow rate Lower suction pressure Lower delivery pressure Increased volume flow rate Reduced volume flow rate Lower suction pressure Lower delivery pressure Increased volume flow rate ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine plant is ratio of Net work output and heat supplied Work done by turbine and net work output Net work output and work done by turbine Work done by turbine and heat supplied Net work output and heat supplied Work done by turbine and net work output Net work output and work done by turbine Work done by turbine and heat supplied ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Water gas is produced by Partial combustion of coal, eke, 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, eke, 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 ANSWER DOWNLOAD EXAMIANS APP
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