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Mechanical Engineering
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Compressors, Gas Dynamics and Gas Turbines
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Question
The clearance volume in the compressor is kept minimum because it effects on volumetric efficiency.
Options
A. Correct
B. Incorrect
Correct Answer
Correct
More questions
1. Nichrome contains more iron than Inconel.
Options
A. Agree
B. Disagree
Show Answer
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Correct Answer: Agree
2. A moving mandrel is used in
Options
A. wiredrawing
B. tube drawing
C. metal cutting
D. forging
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Correct Answer: tube drawing
3. Which of the following is an amorphous material?
Options
A. Mica
B. Silver
C. Lead
D. Glass
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Correct Answer: Glass
4. The critical pressure ratio for initially dry saturated steam is
Options
A. 0.546
B. 0.577
C. 0.582
D. 0.601
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Correct Answer: 0.577
5. Hydrogen is the __________ substance.
Options
A. lightest
B. heaviest
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Correct Answer: lightest
6. Cemented carbide tools are generally poor in shear.
Options
A. Yes
B. No
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Correct Answer: Yes
7. Hot piercing is extensively used for making bolts and nuts.
Options
A. Yes
B. No
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Correct Answer: No
8. A Francis turbine is an outward flow reaction turbine.
Options
A. True
B. False
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Correct Answer: False
9. The negative acceleration is called retardation.
Options
A. True
B. False
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Correct Answer: True
10. When the spring of a watch is wound, it will possess
Options
A. strain energy
B. kinetic energy
C. heat energy
D. electrical energy
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Correct Answer: strain energy
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