Compressors, Gas Turbines and Jet Engines High air-fuel ratio in gas turbines Increases power output Improves thermal efficiency Reduces exhaust temperature Do not damage turbine blades Increases power output Improves thermal efficiency Reduces exhaust temperature Do not damage turbine blades ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbines use following type of air compressor Axial flow type Centrifugal type Lobe type Reciprocating type Axial flow type Centrifugal type Lobe type Reciprocating type ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The pressure ratio for an open cycle gas turbine compared to closed cycle gas turbine of same h.p. is Same High Low Low/high depending on make and type Same High Low Low/high depending on make and type 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 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 Above 5 m³/s None of these 0.15 to 5 m³/s ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The ratio of isentropic work to Euler work is known as Work coefficient Pressure coefficient Polytropic reaction Slip factor Work coefficient Pressure coefficient Polytropic reaction Slip factor ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Work ratio of a gas turbine may be improved by Decreasing the compression work Both (A) and (C) above Increasing the compression work Increasing the turbine work Decreasing the compression work Both (A) and (C) above Increasing the compression work Increasing the turbine work ANSWER DOWNLOAD EXAMIANS APP
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