Compressors, Gas Turbines and Jet Engines The temperature of air at the beginning of the compression stroke is ________ the atmospheric temperature. None of these Less than More than Equal to None of these Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Propulsive efficiency is defined as ratio of Propulsive power and fuel input Thrust power and fuel energy Thrust power and propulsive power Engine output and propulsive power Propulsive power and fuel input Thrust power and fuel energy Thrust power and propulsive power Engine output and propulsive power ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have Low weight and small frontal area High h.p. and low weight High speed and high h.p. Small frontal area and high h.p. Low weight and small frontal area High h.p. and low weight High speed and high h.p. Small frontal area and high h.p. ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The specific output per kg mass flow rate of a gas turbine (having fixed efficiencies of compressor and turbine and fixed higher and lower temperature) with increase in pressure ratio will Increase first at slow rate and then fast Increase first at fast rate and then slow Decrease continuously First increase, reach maximum and then decrease Increase first at slow rate and then fast Increase first at fast rate and then slow Decrease continuously First increase, reach maximum and then decrease ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Efficiency of gas turbine is increased by Inter cooling All of the listed here Reheating Adding a regenerator Inter cooling All of the listed here Reheating Adding a regenerator ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a reciprocating air compressor, the compression work per kg of air Increases as clearance volume decreases Is independent of clearance volume Decreases as clearance volume increases Increases as clearance volume increases Increases as clearance volume decreases Is independent of clearance volume Decreases as clearance volume increases Increases as clearance volume increases ANSWER DOWNLOAD EXAMIANS APP
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