Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler’s work is known as Euler Pressure coefficient Isentropic efficiency Compressor efficiency Euler Pressure coefficient Isentropic efficiency Compressor efficiency 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 = 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) W₁/W₂ = n₁(n₂ - 1)/n₂(n₁ - 1) W₁/W₂ = n₁/n₂ W₁/W₂ = n₂/n₁ ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency, even when running at high speed, can be approached by using Fully insulating the cylinder Both (A) and (B) above Cold water spray Multistage compression Fully insulating the cylinder Both (A) and (B) above Cold water spray Multistage compression ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A 3 m³/min compressor means that it Delivers 3 m³/ min of compressed air at delivery pressure Compresses 3 m³/min of standard air Compresses 3 m³/ min of free air Delivers 3 m³/ min of compressed air Delivers 3 m³/ min of compressed air at delivery pressure Compresses 3 m³/min of standard air Compresses 3 m³/ min of free air Delivers 3 m³/ min of compressed air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the compressed air main line should Be laid exactly horizontally Be laid vertically Rise gradually towards the point of use Drop gradually towards the point of use Be laid exactly horizontally Be laid vertically Rise gradually towards the point of use Drop gradually towards the point of use ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pressure ratio in gas turbines is the ratio of Pressures across the turbine Inlet pressure to exhaust pressure Highest pressure to exhaust pressure Compressor pressure ratio Pressures across the turbine Inlet pressure to exhaust pressure Highest pressure to exhaust pressure Compressor pressure ratio ANSWER DOWNLOAD EXAMIANS APP
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