75) The temperature of air at the beginning of the compression stroke is __________ the atmospheric temperature.

76) The compressor efficiency is defined as the ratio of volume of free air delivery per stroke to the swept volume of the piston.

77) In a gas turbine, air is obtained from the atmosphere and compressed in an air compressor.

78) In open cycle turbo-jet engines used in military aircraft, reheating the exhaust gas from the turbine by burning, more fuel is used to increase the

79) Gas turbine as compared to internal combustion engine