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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 4
41.
When a plate is immersed in a liquid parallel to the flow, it will be subjected to a pressure __________ that if the same plate is immersed perpendicular to the flow.
less than
more than
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The hydraulic mean depth for a circular pipe of diameter (d) is
d/6
d/4
d/2
d
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
The tangential velocity of the water element having a free vortex is
directly proportional to its distance from the centre
inversely proportional to its distance from the centre
directly proportional to its (distance)2 from the centre
inversely proportional to its (distance)2 from the centre
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
The unit of kinematic viscosity in S. I. units is
N-m/s
N-s/m2
m2/s
N-m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
A fluid whose viscosity does not change with the rate of deformation or shear strain is known as
real fluid
ideal fluid
newtonian fluid
non-newtonian fluid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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