Hydraulics Online Test - Paper 3 » Expert Quiz Test
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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%
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1. Head loss due to friction in a pipe is given by the Darcy-Weisbach equation

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2. *Capillary rise is proportional to

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3. The most economical section of a circular channel for the maximum discharge is when

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

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

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6. Mass density of liquid (p) is given by

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7. In an inclined position, a venturimeter records

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8. In the case of a broad-crested weir, the depth of water h at the end of the still is given by

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9. *Uniform flow is said to occur when

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10. The depth of flow at which the specific energy is minimum is called

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

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12. The thickness of a sharp-crested weir is kept less than

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13. *Cavitations is caused by

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14. The depth of flow after the hydraulic jump is

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15. A siphon is an

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16. *Bernoulli's equation is applied to

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17. Cavitations is collapsed by

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18. *The pressure in pipe flow is normally

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19. *If the velocity in a fluid flow does not change with respect to the length of the direction of flow, it is called

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

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21. *To measure atmospheric pressure, we use

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22. Weber number is the ratio of inertia force to

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23. The phenomenon of rising of a liquid surface in a tube of small diameter relative to the adjacent normal level of the liquid is known as

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24. *Hydraulic gradient line (H.G.L.) represents the sum of

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25. *Water cushion is used to

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26. A ideal fluid

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27. Crest of a weir is lower than d/s water level

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28. Hydraulic gradient line and total energy line are

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29. Pick up the correct statement from the following

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30. Flow in pipes is turbulent if the Reynolds number is

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31. Total pressure on the top of a closed cylindrical vessel completely filled with liquid is directly proportional to

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32. As per our convenience which one is correct with respect to the dimensionless number?

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33. 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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34. *Bernoulli's equation assumes that

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35. *Molecules of fluids get attracted due to

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36. 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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37. *The continuity equation deals with the law of conservation of

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38. The viscosity of gases varies with temperature

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39. Specific weight of liquid

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40. Total head of a particle in motion is the sum of

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41. *Piezometers are used to measure

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42. *Which of the following statements is valid?

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

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44. "Manning's formula is used for

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45. *The magnitude of water hammer depends upon

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46. *The atmospheric pressure varies with

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47. 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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48. *An orifice is called a large orifice if the water head is

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

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50. "Maximum efficiency of power transmission through a pipe is

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