The compression ratio in a gas turbine is of the roder of____________________?

A. 3.5 : 1B. 5 : 1C. 8 : 1D. 12 : 1E. 20 : 1

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The working fluid in ai turbine is___________________?

A. in two phasesB. in three phasesC. in a single phaseD. in the form of air and water mixtureE. gas and no air

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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 above

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Choose the correct statement ________________?

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…

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Pick up the wrong statement ?

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…

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Pick up the correct statement ?

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….

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Pick up the wrong statement ?

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…

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