Mechanical Engineering - Hydraulics and Fluid Mechanics
Exercise :: Hydraulics and Fluid Mechanics - Section 8
| 26. |
The shear stress between the two liquid layers is __________ proportional to the distance between two layers. |
Answer: Option B
Explanation:
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| 27. |
The mass per unit volume of a liquid at a standard temperature and pressure is called |
| A. |
specific weight | | B. |
mass density | | C. |
specific gravity | | D. |
none of these |
Answer: Option B
Explanation:
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| 28. |
The centre of pressure acts __________ the centre of gravity of immersed surface. |
Answer: Option C
Explanation:
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| 29. |
A flow through an expanding tube at constant rate is called |
| A. |
steady uniform flow | | B. |
steady non-uniform flow | | C. |
unsteady uniform flow | | D. |
unsteady non-uniform flow |
Answer: Option B
Explanation:
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| 30. |
When a body is placed over a liquid, it is subjected to gravitational force and upthrust of the liquid. |
Answer: Option A
Explanation:
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