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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 8
16.
The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid)
wH/2
wH
wH2/2
wH2/4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Froude's number is the ratio of inertia force to
pressure force
elastic force
gravity force
surface tension force
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed)
A m x i
C m x i
AC m x i
mi A x C
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
When a liquid is flowing through a pipe, the velocity of the liquid is
maximum at the centre and minimum near the walls
minimum at the centre and maximum near the walls
zero at the centre and maximum near the walls
maximum at the centre and zero near the walls
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
The pressure of fluid due to hammer blow is
directly proportional to density of fluid
inversely proportional to density of fluid
directly proportional to (density)1/2 of fluid
inversely proportional to (density)1/2 of fluid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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