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Hydraulics Online Test – Paper 3

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Created by 83a36dcfd5c4caff12bc80f0020c9c749e12cbbbdb7c406dc1dd39996cb85836?s=32&d=monsterid&r=g gkaimVikash chaudhary

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  • Total Questions: 50
  • Time Allotted: 50 minutes
  • Passing Score: 70%
  • Randomization: Yes
  • Certificate: Yes
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1. Hydraulic gradient line and total energy line are

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2. *The hydraulic ram is a device

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3. The imaginary line drawn such that the tangents at its all points indicate the direction of the velocity of the fluid particle at each point is called

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4. *The wetted perimeter of a channel is given by

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5. Specific weight of liquid

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6. *Capillary rise is proportional to

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7. If H is the height of the liquid above the sill, the effect of end contraction on each side, according to Francis' formula, is

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8. *The energy possessed by a fluid by virtue of its existing pressure is called

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9. If S is the height of the crest above the base of the channel and H is the head of water over the weir, whose length is L and discharge is Q m^3/sec, the velocity of approach Va is

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10. *Manometers are used to measure

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11. Liquids

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12. *Variation in volume of liquid with variation in pressure is called

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13. *Orifice-meter is used to measure:

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14. One horsepower is equal to

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15. The pressure less than atmospheric pressure is known as

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16. The maximum velocity in an open channel occurs

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17. *The notch angle for the maximum discharge over a triangular notch is

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18. A steady uniform flow is through a

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19. A substance which deforms continuously under the action of shear stress is called

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20. In an inclined pipe, the pressure difference at its two ends is due to

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21. *The pressure in pipe flow is normally

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22. *Pressure within a soap bubble is

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23. *Piezometers are used to measure

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24. The inlet length of a venturimeter

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25. *The float method is used to measure

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26. The term P/pg is known as

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27. *Venturimeter is used to measure

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28. *If the velocity, pressure, density, etc., do not change at a point with respect to time, the flow is called

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29. *If a pitot tube is placed with its nose facing sideways, the liquid

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30. *The floating method is used for the measurement of

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31. *The upper surface of the weir over which water flows is known as:

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32. If the total head of the nozzle of a pipe is 37.5m and the discharge is 1 cubic meter per second, then the power generated is

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33. *The main assumption of Bernoulli's equation is

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34. Reynolds number is the ratio of initial force and

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35. *The specific weight of water 1000 kg/m^3

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36. *Bernoulli's equation is applied to

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37. *Losses are more in

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38. The Manning's formula for flow in an open channel is given by

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39. *The discharge passing through the crest having a length of 1.25m, a height of the flow of water 0.25m, and Cd = 0.035 is

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40. If the fluid particles move in straight lines and all the lines are parallel to the surface, the flow is called

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41. For uniform flow in the channel

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42. In an open tube, the free surface of mercury remains

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43. *The magnitude of capillary rise is more in:

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44. Cavitations in flowing fluid occurs when

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45. *The actual velocity through an orifice is........... than the theoretical velocity.

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46. Discharge over an ogee weir remains the same as that of

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47. The total energy of a liquid in motion is equal to:

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48. Poise is the unit of

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49. A rise or fall of liquid in a glass tube of a very small diameter when dipped is

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50. *Hydraulic gradient line (except siphon)

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