Compressors, Gas Turbines and Jet Engines Axial flow compressor has the following advantage over centrifugal compressor Higher pressure ratio per stage Aerofoil blades are used Higher average velocities Larger air handling ability per unit frontal area Higher pressure ratio per stage Aerofoil blades are used Higher average velocities Larger air handling ability per unit frontal area ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Diffuser in a compressor is used to Convert kinetic energy into pressure energy Increase velocity Convert pressure energy into kinetic energy Make the flow streamline Convert kinetic energy into pressure energy Increase velocity Convert pressure energy into kinetic energy Make the flow streamline ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Out of the following, from where you will prefer to take intake for air compressor From coal yard side From an air conditioned room maintained at 20°C From outside atmosphere at 1°C From a side where cooling tower is located nearby From coal yard side From an air conditioned room maintained at 20°C From outside atmosphere at 1°C From a side where cooling tower is located nearby ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Adiabatic compression is one in which No heat leaves or enters the compressor cylinder during compression Work done is maximum Temperature during compression remains constant Temperature rise follows a linear relationship No heat leaves or enters the compressor cylinder during compression Work done is maximum Temperature during compression remains constant Temperature rise follows a linear relationship ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines To avoid moisture troubles, the branch connections from compressed air lines should be taken from Left side of main Right side of main Top side of main Bottom side of main Left side of main Right side of main Top side of main Bottom side of main ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines If the clearance ratio for a reciprocating air compressor is 'K', then its volumetric efficiency is given by 1 - k + k (p₁/p₂)1/n 1 - k + k (p₁/p₂) n- 1/n 1 + k - k (p₂/p₁) n-1/n 1 + k - k (p₂/p₁)1/n 1 - k + k (p₁/p₂)1/n 1 - k + k (p₁/p₂) n- 1/n 1 + k - k (p₂/p₁) n-1/n 1 + k - k (p₂/p₁)1/n ANSWER DOWNLOAD EXAMIANS APP
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