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 More May be less or more depending on ambient conditions Less Same More May be less or more depending on ambient conditions Less ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The following is true for an open cycle gas turbine having exhaust heat exchanger. Atmospheric air before entering the compressor is Bled gas from turbine is heated and readmitted for complete expansion Compressed air before entering the combustion chamber is heated Heated Exhaust gases drive the compressor Bled gas from turbine is heated and readmitted for complete expansion Compressed air before entering the combustion chamber is heated Heated Exhaust gases drive the compressor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The volume of air delivered in a medium capacity air compressor per unit time is Above 5 m³/s None of these 0.15 to 5 m³/s 0.1 to 1.2 m³/s Above 5 m³/s None of these 0.15 to 5 m³/s 0.1 to 1.2 m³/s ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Volumetric efficiency is The ratio of stroke volume to clearance volume Reciprocal of compression ratio The ratio of the air actually delivered to the amount of piston displacement Index of compressor performance The ratio of stroke volume to clearance volume Reciprocal of compression ratio The ratio of the air actually delivered to the amount of piston displacement Index of compressor performance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The performance of air compressor at high altitudes will be ________ as compared to that at sea level. Higher None of these Same Lower Higher None of these Same Lower ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines As the turbine inlet temperature increases, the thermal efficiency of gas turbine for the optimum pressure ratio First increases and then decreases Decreases Remain same Increases First increases and then decreases Decreases Remain same Increases ANSWER DOWNLOAD EXAMIANS APP
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