Gas Turbine Power Plant - Gas Turbine Power Plant Objective Questions and Answers


11. Mechanical efficiency of a gas turbine as compared to internal combustion reciprocating engine is....


   A.Higher

   B.Lower

   C.Same

   D.Un-predictable


✔ View Answer


A.Higher

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12. For a gas turbine the pressure ratio in the range of........


   A.2 to 3

   B.3 to 5

   C.16 to 18

   D.18 to 22


✔ View Answer


B.3 to 5

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13. In a two stage gas turbine plant,reheating after first stage........


   A.Decrease the thermal efficiency

   B.Increase the thermal efficiency

   C.Does not effect the thermal efficiency

   D.None of the above


✔ View Answer


A.Decrease the thermal efficiency7000

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14. In a two stage gas turbine plant,reheating after first stage........


   A.Increases work ratio

   B.Decreases work ratio

   C.Does not effect work ratio

   D.None of the above


✔ View Answer


A.Increases work ratio

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15. In a two stage gas turbine plant,with intercooling and reheating........


   A.Both work ratio and thermal efficiency improve

   B.Work ratio improves but thermal efficiency decreases

   C.Thermal efficiency improves but work ratio decreases

   D.Both work ratio and thermal efficiency decreases


✔ View Answer


B.Work ratio improves but thermal efficiency decreases

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