| 1. | The units of kinematic viscosity are ? | |
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m²/s
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kg-s/m²
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N-s/m²
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N-s²/m
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Report Question| 2. | The hydraulic mean depth for a pipe water is equal to: Where d is the diameter of the pipe ? | |
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d/2
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d/4
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2d
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2.pie.d
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| 3. | Vertical distribution of velocity in an open channel for laminar flow can be assumed as ? | |
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logarithmic
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parabolic
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straight line
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hyperbolic
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| 4. | Which of the following is an example of phenomenon surface tension ? | |
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Rain drops
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Rise of sap in a tree
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Break up of liquid jets
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All option are correct
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| 5. | The height of the free surface above any point is known as ? | |
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static head
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intensity of pressure
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both static head and intensity of pressure
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None of these
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| 6. | The metacentric height of battle ships is ? | |
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0.3m to 0.8m
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1.0m to 1.5m
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2.5m to 3.5m
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5.0m to 6.0m
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| 7. | The loss of head due to sudden contraction is equal to ? | |
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0.75v²/2g
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.75v²/4g
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1.5v²/2g
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0.25v²/2g
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| 8. | The value of critical velocity is governed by the ? | |
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inertia force
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viscous force
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ratio of inertia force and viscous force
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None of these
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| 9. | If a thin plate is held parallel to a fluid stream the pressure drag on it is ? | |
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maximum
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minimum
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zero
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None of these
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| 10. | The weir with thick crest is known as ? | |
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drowned weir
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broad crested weir
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suppressed weir
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cippoletti weir
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