Compressors, Gas Turbines and Jet Engines A gas turbine used in air craft should have Low weight and small frontal area High speed and high h.p. Small frontal area and high h.p. High h.p. and low weight Low weight and small frontal area High speed and high h.p. Small frontal area and high h.p. High h.p. and low weight ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The indicated work per unit mass of air delivered is Not affected by clearance volume Inversely proportional to clearance volume Directly proportional to clearance volume Greatly affected by clearance volume Not affected by clearance volume Inversely proportional to clearance volume Directly proportional to clearance volume Greatly affected by clearance volume ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The efficiency of a jet engine is higher at Low altitudes High altitudes Low speeds High speeds Low altitudes High altitudes Low speeds High speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The main purpose of reheating in gas turbine is to Increase power output Increase temperature Reduce turbine size Increase speed Increase power output Increase temperature Reduce turbine size Increase speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine blades are given a rake In the direction of motion of blades Depending on the velocity Opposite to the direction of motion of blades Equal to zero In the direction of motion of blades Depending on the velocity Opposite to the direction of motion of blades Equal to zero 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 increases Is independent of clearance volume Increases as clearance volume decreases Decreases as clearance volume increases Increases as clearance volume increases Is independent of clearance volume Increases as clearance volume decreases Decreases as clearance volume increases ANSWER DOWNLOAD EXAMIANS APP
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