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. |
Answer: Option A
Explanation:
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2. |
The magnitude of water hammer depends upon the |
A. |
elastic properties of the pipe material | B. |
elastic properties of the liquid flowing through the pipe | C. |
speed at which the valve is closed | D. |
all of the above |
Answer: Option D
Explanation:
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3. |
The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch. |
Answer: Option A
Explanation:
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4. |
The dynamic viscosity of gases __________ with rise in temperature. |
A. |
remain unaffected | B. |
increases | C. |
decreases |
Answer: Option B
Explanation:
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5. |
A flow in which the quantity of liquid flowing per second is constant, is called __________ flow. |
A. |
steady | B. |
streamline | C. |
turbulent | D. |
unsteady |
Answer: Option A
Explanation:
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