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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 6
36.
The mercury does not wet the glass. This is due to the property of the liquid known as
cohesion
adhesion
viscosity
surface tension
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
The coefficient of discharge in case of internal mouthpiece is __________ that of external mouthpiece.
less than
more than
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity.
below
above
below
above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
According to Manning's formula, the discharge through an open channel is (where M = Manning's constant)
A x M x m1/2 x i2/3
A x M x m2/3 x i1/2
A1/2 x M2/3 x m x i
A2/3 x M1/3 x m x i
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
When the venturimeter is inclined, then for a given flow it will show __________ reading.
same
more
less
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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