| 1. | For a siphon to work satisfactorily, the minimum pressure in the pipe as compared to vapour pressure of liquid should be ? | |
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more
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less
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equal
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None of these
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Report Question| 2. | The magnitude of water hammer does not depend upon ? | |
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temperature of fluid
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length of pipe
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elastic properties of pipe material
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time of valve closure
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| 3. | An air vessel is usually provided at the summit of a syphon in order to ? | |
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regulate the flow
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increase discharge
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avoid interruption in flow
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increase velocity
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| 4. | The discharge over a V-notch weir is proportional to ? | |
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h^(3/2)
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h^(5/2)
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h^(1/2)
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h^(-3/2)
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| 5. | In an external mouthpiece, value of coefficient of discharge, if pipe is flowing full, will be ? | |
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0.602
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0.75
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0.86
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1
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| 6. | When the depth of water in an open channel is greater than the critical depth then flow is said to be ? | |
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critical
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turbulent
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torrential
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tranquil
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| 7. | The discharge through a rectangular-notch weir varies as ? | |
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H^(-1/2)
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H^(1/2)
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H^( 3/2)
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None of these
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| 8. | The width of the weir with end contraction is ? | |
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less than the width of channel
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more than the width of channel
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equal to width of channel
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half the width of channel
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| 9. | Weber number is the ratio of inertial force to ? | |
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gravitational force
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surface tension
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elasticity
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viscosity
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| 10. | The average value of coefficient of velocity is of the order of ? | |
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0.56
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68
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0.78
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None of these
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