Compressors, Gas Turbines and Jet Engines The efficiency of a jet engine is higher at Low altitudes High speeds High altitudes Low speeds Low altitudes High speeds High altitudes Low speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The air-fuel ratio in gas turbines is of the order of 7: 1 30: 1 50: 1. 15: 1 7: 1 30: 1 50: 1. 15: 1 ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In the aircraft propellers The propulsive matter is caused to flow around the propelled body Propulsive matter is ejected from within the propelled body All of these Its functioning does not depend on presence of air The propulsive matter is caused to flow around the propelled body Propulsive matter is ejected from within the propelled body All of these Its functioning does not depend on presence of air ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Mechanical efficiency of gas turbines as compared to I.C engines is Higher None of these Lower Same Higher None of these Lower Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The power available for takeoff and climb in case of turbojet engine as compared to reciprocating engine is More Less May be less or more depending on ambient conditions Same More Less May be less or more depending on ambient conditions Same ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The material commonly used for air craft gas turbine is Stainless steel Timken, Haste alloys High alloy steel Duralumin Stainless steel Timken, Haste alloys High alloy steel Duralumin ANSWER DOWNLOAD EXAMIANS APP
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