Steam and Gas Turbines Questions and Answers – Casing and Metallurgical Considerations

This set of Steam and Gas Turbines Multiple Choice Questions & Answers (MCQs) focuses on “Casing and Metallurgical Considerations”.

1. Turbine casing controls _______________
a) working fluid
b) pressure
c) temperature
d) none of the mentioned
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2. Turbine casing also contains __________ working fluid.
a) temperature of
b) flow direction of
c) pressure
d) none of the mentioned
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3. __________ is also used to direct the working fluid.
a) Guide vanes
b) Casing
c) Guide vanes & Casing
d) None of the mentioned
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4. There is a possibility of leakage in between turbine rotor and ________
a) casing
b) valves
c) casing & valves
d) none of the mentioned
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5. In Tandem compound casing a _________ casing are directly coupled together to a generator.
a) single
b) multiple
c) two
d) none of the mentioned
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6. In single casing, Casing is directly coupled to a _____________
a) generator
b) combustor
c) generator & combustor
d) none of the mentioned
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7. Cross compounded turbines are used for __________ applications.
a) smaller
b) larger
c) medium
d) none of the mentioned
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8. Double exhaust rotors have ________ pressure casings.
a) high
b) low
c) medium
d) none of the mentioned
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9. Two flow rotors use __________ pressure casings.
a) low
b) high
c) medium
d) none of the mentioned
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10. In a steam turbine a set of ________ blades are connected to casing.
a) stationary
b) rotating
c) stationary & rotating
d) none of the mentioned
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11. With metallurgical considerations the temperature in Gas turbine blades is reduced by ________
a) 2000 F
b) 3000 F
c) 1000 F
d) none of the mentioned
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12. Due to metallurgical consideration in closed cycle cooling system the upper temperature is limited to _____________
a) 500 C
b) 540 C
c) 200 C
d) none of the mentioned
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13. Due to metallurgical consideration _____________ can be limited.
a) pressure
b) volume
c) temperature
d) none of the mentioned
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14. For continuous operation in elevated temperature ______________ cooled materials are used for blades.
a) Ceramic
b) Ceramic and liquid
c) Liquid
d) None of the mentioned
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15. Metallurgical considerations ________________ the material can bare which is used to manufacture blades.
a) maximum temperature
b) maximum pressure
c) maximum temperature & pressure
d) none of the mentioned
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Sanfoundry Global Education & Learning Series – Steam and Gas Turbines.

To practice all areas of Steam and Gas Turbines, here is complete set of 1000+ Multiple Choice Questions and Answers.

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