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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 7
16.
When the flow in an open channel is gradually varied, the flow is said to be
steady uniform flow
steady non-uniform flow
unsteady uniform flow
unsteady non-uniform flow
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
When the Mach number is equal to unity, the flow is called sonic flow.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
The total pressure on the bottom of a closed cylindrical vessel completely filled up with a liquid is the sum of the total centrifugal pressure and the weight of the liquid in the vessel.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
A weir, generally, used as a spillway of a dam is
narrow crested weir
broad crested weir
Ogee weir
submerged weir
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
A thick liquid like a syrup has a __________ viscosity than a light liquid like water.
lesser
greater
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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