Compressors, Gas Turbines and Jet Engines The following property is most important for material used for gas turbine blade Fatigue Corrosion resistance Creep Toughness Fatigue Corrosion resistance Creep Toughness ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Isothermal compression efficiency can be attained by running the compressor At zero speed At average speed At very slow speed At very high speed At zero speed At average speed At very slow speed At very high speed ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The area of actual indicator diagram on an air compressor as compared to area of ideal indicator diagram is More Less Same More/less depending on compressor capacity More Less Same More/less depending on compressor capacity ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Axial flow compressor has the following advantage over centrifugal compressor Higher average velocities Higher pressure ratio per stage Aerofoil blades are used Larger air handling ability per unit frontal area Higher average velocities Higher pressure ratio per stage Aerofoil blades are used Larger air handling ability per unit frontal area ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In a centrifugal compressor, an increase in speed at a given pressure ratio causes Decrease in flow Increase in efficiency Increase in flow Increase in flow and decrease in efficiency Decrease in flow Increase in efficiency Increase in flow Increase in flow and decrease in efficiency ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines The mass of gas turbine per kW developed is about ________ as that of an I.C. engine. One-half One fourth Same One sixth One-half One fourth Same One sixth ANSWER DOWNLOAD EXAMIANS APP