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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 7
26.
The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a triangular notch is given by
Answer: Option
Explanation:
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27.
The separation of flow occurs when the hydrodynamic boundary layer thickness is reduced to zero.
Agree
Disagree
Answer: Option
Explanation:
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28.
If the depth of water in an open channel is less than the critical depth, the flow is called
critical flow
turbulent flow
tranquil flow
torrential flow
Answer: Option
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29.
A nozzle placed at the end of a water pipe line discharges water at a
low pressure
high pressure
low velocity
high velocity
Answer: Option
Explanation:
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30.
When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called
Pascal's law
Archimede's principle
principle of floatation
Bernoulli's theorem
Answer: Option
Explanation:
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