21. |
In a hydraulic crane, _____ is the component mainly responsible for lifting.
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Answer:
Option (a) |
22. |
______ is attached to the fixed cylindrical chamber which moves in the upward or downward direction.
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Answer:
Option (b) |
23. |
A hydraulic coupling belongs to the category of
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Answer:
Option (c) |
24. |
The hydraulic coupling works on the principle of
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Answer:
Option (c) |
25. |
Which of the following hydraulic machine is used in diesel locomotives?
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Answer:
Option (b) |
26. |
Which one of the followings is a wrong statement?
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Answer:
Option (b) |
27. |
Which of the following hydraulic unit is used for transmitting increased or decreased torque to the driven shaft?
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Answer:
Option (c) |
28. |
The efficiency of hydraulic coupling is about
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Answer:
Option (d) |
29. |
The efficiency of the hydraulic torque converter is about
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Answer:
Option (c) |
30. |
An airlift pump is a device used
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Answer:
Option (d) |