Compressors, Gas Turbines and Jet Engines The efficiency of a jet engine is higher at Low speeds High altitudes Low altitudes High speeds Low speeds High altitudes Low altitudes High speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which one of the following is the effect of blade shape on performance of a centrifugal compressor? Forward curved blades has higher efficiency Forward curved blades produce lower pressure ratio Backward curved blades has poor efficiency Backward curved blades lead to stable performance Forward curved blades has higher efficiency Forward curved blades produce lower pressure ratio Backward curved blades has poor efficiency Backward curved blades lead to stable performance ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines In jet engines the products of combustion after passing through the gas turbine are discharged into Back to the compressor Atmosphere Vacuum Discharge nozzle Back to the compressor Atmosphere Vacuum Discharge nozzle ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Ratio of compression is the ratio of Absolute discharge pressure to the absolute intake pressure Stroke volume and clearance volume Pressures at discharge and suction corresponding to same temperature Gauge discharge pressure to the gauge intake pressure Absolute discharge pressure to the absolute intake pressure Stroke volume and clearance volume Pressures at discharge and suction corresponding to same temperature Gauge discharge pressure to the gauge intake pressure ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Which of the following statement is correct as regard to centrifugal compressors? The static pressure of air in the impeller increases in order to provide centripetal force on the air The flow of air is parallel to the axis of the compressor The maximum efficiency is higher than multistage axial flow compressors The impeller rotates at high speeds The static pressure of air in the impeller increases in order to provide centripetal force on the air The flow of air is parallel to the axis of the compressor The maximum efficiency is higher than multistage axial flow compressors The impeller rotates at high speeds ANSWER DOWNLOAD EXAMIANS APP
Compressors, Gas Turbines and Jet Engines Gas turbine as compared to steam turbine Has compressor and combustion chamber Has less efficiency All of these Requires less space for installation Has compressor and combustion chamber Has less efficiency All of these Requires less space for installation ANSWER DOWNLOAD EXAMIANS APP