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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 6
1.
The property of a liquid which enables it to resist tensile stress is called its surface tension.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
The magnitude of water hammer depends upon the
elastic properties of the pipe material
elastic properties of the liquid flowing through the pipe
speed at which the valve is closed
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch.
plus
minus
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
The dynamic viscosity of gases __________ with rise in temperature.
remain unaffected
increases
decreases
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
A flow in which the quantity of liquid flowing per second is constant, is called __________ flow.
steady
streamline
turbulent
unsteady
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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