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

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2. *The equation of continuity of fluids is applicable only if

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3. The head of water representing in the case of HGL line is known as

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4. Specific energy of a flowing fluid per unit weight is equal to

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5. *If the velocity of fluid particles varies from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be

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6. *If the volume of liquid weighing 3000 kg is 4 cubic meters, then the specific gravity is

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7. The numerical value of vorticity is.....of the rotation

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8. If the fluid particles move in a zig-zag way, the flow is called

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

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10. Velocity of flow may be determined using:

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11. *The types of instrument used to measure low pressure with accuracy is

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12. From a nozzle exposed to the atmosphere, the liquid jet traverses

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13. *Head loss increases with

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14. If the specific gravity of oil is 0.7, then find the density of oil

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15. *Capillarity of water is

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16. A vessel having a depth of 30 cm is filled with water up to a depth of 10 cm from the top level. Find the pressure exerted at a depth of 5 cm and 15 cm from the top of the vessel respectively

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17. *Total energy line (T.E.L) represents the sum of

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18. *To measure very low pressure, we use:

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19. Gauge pressure is

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20. *If fluid or flow parameters at any given instant remain the same at every point in space, it is called:

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21. *The continuity equation deals with the law of conservation of

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22. For the same specific force, the two depths at which the same discharge occurs are called

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23. For any channel section, the specific energy increase with

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24. The inlet length of a venturimeter

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25. For a circular channel, the wetted perimeter is given by (where θ=half the angle subtended by the water at the center and R= radius of circular channel)

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26. 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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27. 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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28. *The hydraulic ram is a device

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29. Liquids

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30. If the volume of a liquid weighing 3000 kg is 4 cubic meters, then 0.75 is its

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31. *A flow is said to be laminar when

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

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33. The ratio of the inertia and gravitational force acting in any flow, ignoring other forces, is called

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

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35. The pressure less than atmospheric pressure is known as

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36. A siphon is used

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37. The attraction among different particles of the same material is

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38. In an open channel flow

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39. Super-critical flow occurs in

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40. The continuity equation

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41. When the pipes are connected in parallel, the total loss of head

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42. The profile of rising water on the upstream side of the dam is called

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43. *The term v^2/2g is known as

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44. *1 m head is equivalent to

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45. When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as:

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46. In fluids, steady flow occurs when

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47. Open channel flow is

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48. Mouthpieces are used to measure

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49. The capillary rise or fall of the liquid is given by

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

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