A. 3.5 : 1B. 5 : 1C. 8 : 1D. 12 : 1E. 20 : 1Read more
A. in two phasesB. in three phasesC. in a single phaseD. in the form of air and water mixtureE. gas and no airRead more
In jet engines the products of combustion after passing through the gas lurbine are discharged into_______________?
A. atmosphereB. back to the compressorC. discharge nozzleD. vacuumE. none of the aboveRead more
A. gas turbine requires lot of cooling waterB. gas turbine is capable of rapid start up and loadingC. gas turbines have flat efficiency at part loadsD. gas turbines have high standby losses and…Read more
A. large gas turbines employ axial flow compressorsB. axial flow compressors are more stable than centrifugal type compressors but not as efficientC. axial flow compressors have high capacity and efficiencyD. axial flow compressors…Read more
A. gas turbine uses low air-fuel ratio to economise on fuelB. gas turhine uses high air-fuel ratio to reduce outgoing temperatureC. gas turbine uses low air-fuel ratio to develop the high thrust requiredD….Read more
A. centrifugal compressors deliver prac-tically constant pressure over a considerable range of capacitiesB. Axial flow compressors have a sub-stantially constant delivery at variable pressuresC. centrifugal compressors have a wider stable operating range than…Read more