Mechanical Engineering - Hydraulics and Fluid Mechanics

1.
The specific gravity of an oil whose specific weight is 7.85 kN/m3, is
0.8
1
1.2
1.6
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
The body will float if the force of buoyancy is __________ the weight of the liquid displaced.
equal to
less than
more than
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.
According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called
density of liquid
specific gravity of liquid
compressibility of liquid
surface tension of liquid
Answer: Option
Explanation:
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5.
The velocity of liquid flowing through an orifice varies with the available head of the liquid.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.