Compressors, Gas Turbines and Jet Engines The work done per unit mass of air in compression will be least when 'n' is equal to 1.3 1 1.2 1.4 1.3 1 1.2 1.4 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The performance of air compressor at high altitudes will be ________ as compared to that at sea level. None of these Same Lower Higher None of these Same Lower Higher ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a jet propulsion The propulsive matter is ejected from within the propelled body None of these The propulsive matter is caused to flow around the propelled body Its functioning does not depend upon presence of air The propulsive matter is ejected from within the propelled body None of these The propulsive matter is caused to flow around the propelled body Its functioning does not depend upon presence of air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency of air compressors is of the order of 70 - 90% 20 - 30% 40 - 50% 60 - 70% 70 - 90% 20 - 30% 40 - 50% 60 - 70% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The indicated work per unit mass of air delivered is Directly proportional to clearance volume Inversely proportional to clearance volume Greatly affected by clearance volume Not affected by clearance volume Directly proportional to clearance volume Inversely proportional to clearance volume Greatly affected by clearance volume Not affected by clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is The ratio of stroke volume to clearance volume The ratio of the air actually delivered to the amount of piston displacement Index of compressor performance Reciprocal of compression ratio The ratio of stroke volume to clearance volume The ratio of the air actually delivered to the amount of piston displacement Index of compressor performance Reciprocal of compression ratio ANSWER DOWNLOAD EXAMIANS APP