Compressors, Gas Turbines and Jet Engines A rocket engine uses __________ for the combustion of its fuel. Surrounding air None of these Compressed atmospheric air Its own oxygen Surrounding air None of these Compressed atmospheric air Its own oxygen ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In n₁ and n₂ are the indices of compression for the first and second stage of compression, then the ratio of work-done on the first and second stages (W₁/W₂) with perfect intercooling is given by W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₁/n₂ W₁/W₂ = n₂/n₁ W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1) W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₁/n₂ W₁/W₂ = n₂/n₁ W₁/W₂ = n₂(n₁ - 1)/n₁(n₂ - 1) 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 Reciprocating Axial Centrifugal Screw Reciprocating Axial Centrifugal Screw 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 Degree of reaction Slip factor Pressure ratio Pressure coefficient Degree of reaction Slip factor Pressure ratio Pressure coefficient ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 100 m increase in elevation 0.1% 0.5% 5% 1.0% 0.1% 0.5% 5% 1.0% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines For minimum work required to compress and deliver a quantity of air by multistage compression The intercooling should be perfect All of the listed here The compression ratio in each stage should be same The work-done in each stage should be same The intercooling should be perfect All of the listed here The compression ratio in each stage should be same The work-done in each stage should be same ANSWER DOWNLOAD EXAMIANS APP
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