Compressors, Gas Turbines and Jet Engines The volumetric efficiency of a compressor falls roughly as follows for every 5°C increase in atmospheric temperature 0.05 0.01 0.001 0.005 0.05 0.01 0.001 0.005 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure of air at the beginning of the compression stroke is ___ the atmospheric pressure. None of the listed here Equal to Less than More than None of the listed here Equal to Less than More than 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 (p₂/p₁)1/n 1 - k + k (p₁/p₂)1/n 1 + k - k (p₂/p₁) n-1/n 1 - k + k (p₁/p₂) n- 1/n 1 + k - k (p₂/p₁)1/n 1 - k + k (p₁/p₂)1/n 1 + k - k (p₂/p₁) n-1/n 1 - k + k (p₁/p₂) n- 1/n ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The work done per unit mass of air in compression will be least when 'n' is equal to 1.2 1.4 1.3 1 1.2 1.4 1.3 1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The maximum propulsion efficiency of a turbojet is attained at around following speed 1700 km/hr 2400 km/hr 1050 km/hr 550 km/hr 1700 km/hr 2400 km/hr 1050 km/hr 550 km/hr ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency and work ratio of a gas turbine plant can be increased by Reheating the air after partial expansion in the turbine All of these Adding heat exchanger Injecting water in/around combustion chamber Reheating the air after partial expansion in the turbine All of these Adding heat exchanger Injecting water in/around combustion chamber ANSWER DOWNLOAD EXAMIANS APP
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