Gas Turbine Questions and Answers – Closed Cycles and Operating Media Other than Air

This set of Gas Turbines question bank focuses on “Closed Cycles and Operating Media Other than Air”.

1. A closed cycle gas turbine uses gas as a working fluid.
a) True
b) False
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2. In a closed cycle gas turbine heat is supplied from ____________
a) internal source
b) external source
c) combustion chamber
d) none of the mentioned
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3. Pebble bed modular is reactor coupled with _________
a) helium closed cycle gas turbine
b) argon closed cycle gas turbine
c) gas cooled reactors
d) none of the mentioned
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4. At low temperature super critical CO2 closed cycle gas turbine has ________ efficiency when compared to helium closed cycle gas turbine.
a) low
b) high
c) optimum
d) none of the mentioned
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5. At high pressure super critical CO2 closed cycle gas turbine has ____________ efficiency when compared to helium closed cycle gas turbine.
a) optimum
b) high
c) low
d) none of the mentioned
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6. ML-1 nuclear reactor uses ________________
a) nitrogen based closed cycle gas turbine
b) helium based closed cycle gas turbine
c) super critical CO₂ closed cycle gas turbine
d) none of the mentioned
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7. ML-1 Nuclear reactor works under ___________
a) 0.7 MPa
b) 0.9 MPa
c) 0.5 MPa
d) 0.3 MPa
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8. In thermodynamic cycles input to working fluid is given using ________
a) compressor
b) condensor
c) recuperator
d) none of the mentioned
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9. Working fluids used in rankine cycles are _______
a) water/Steam
b) pentane
c) toluene
d) all of the mentioned
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10. A pressurized fluid that actuates a machine is called as working fluid.
a) True
b) False
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Sanfoundry Global Education & Learning Series – Steam and Gas Turbines.

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