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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 7
6.
The force of buoyancy is always __________ the weight of the liquid displaced by the body.
equal to
less than
more than
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
The coefficient of discharge is the ratio of theoretical discharge to the actual discharge through an orifice.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The quantity of a liquid flowing per second through a section of a pipe or a channel is called discharge and is measured in cumecs (m3/s).
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The purpose of a surge tank is
to control the pressure variations due to rapid changes in the pipe line flow
to eliminate water hammer possibilities
to regulate flow of water to turbines by providing necessary retarding head of water
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
A fluid which obeys the Newton's law of viscosity is termed 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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