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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 4
6.
The absolute pressure is equal to
gauge pressure + atmospheric pressure
gauge pressure - atmospheric pressure
atmospheric pressure - gauge pressure
gauge pressure - vacuum pressure
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
When the pressure intensity at a point is more than the local atmospheric pressure, then the difference of these two pressures is called
gauge pressure
absolute pressure
positive gauge pressure
vacuum pressure
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The hammer blow in pipes occurs when
there is excessive leakage in the pipe
the pipe bursts under high pressure of fluid
the flow of fluid through the pipe is suddenly brought to rest by closing of the valve
the flow of fluid through the pipe is gradually brought to rest by closing of the valve
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
When a body is placed over a liquid, it will sink down if
gravitational force is equal to the upthrust of the liquid
gravitational force is less than the upthrust of the liquid
gravitational force is more than the upthrust of the liquid
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
When a cylindrical vessel of radius (r) containing liquid is revolved about its vertical axis ω rad/s, then depth of parabola which the liquid assumes is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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