Compressors, Gas Turbines and Jet Engines The blades of gas turbine are made of High nickel alloy Stainless steel Carbon steel High alloy steel High nickel alloy Stainless steel Carbon steel High alloy steel ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Pressure ratio in gas turbines is the ratio of Highest pressure to exhaust pressure Compressor pressure ratio Pressures across the turbine Inlet pressure to exhaust pressure Highest pressure to exhaust pressure Compressor pressure ratio Pressures across the turbine Inlet pressure to exhaust pressure 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 Same Less More May be less or more depending on ambient conditions Same Less More May be less or more depending on ambient conditions ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In gas turbines, high thermal efficiency is obtained in Open cycle Closed cycle & Open cycle Closed/open depending on other considerations Closed cycle Open cycle Closed cycle & Open cycle Closed/open depending on other considerations Closed cycle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volumetric efficiency for reciprocating air compressors is about 60 to 70% 40 to 60% 10 to 40% 70 to 90% 60 to 70% 40 to 60% 10 to 40% 70 to 90% ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler’s work is known as Pressure coefficient Euler Isentropic efficiency Compressor efficiency Pressure coefficient Euler Isentropic efficiency Compressor efficiency ANSWER DOWNLOAD EXAMIANS APP