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%
  • Randomization: Yes
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1. To avoid an interruption in the flow of a siphon, the air vessel is provided

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2. *Chazy's formula is given by

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3. *Bernoulli's theorem deals with the law of conservation of

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4. *A flow is said to be laminar when

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5. In a flowing liquid, a particle may possess

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6. When the fluid is at rest, the shear stress is

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

8 / 50

8. The two depths at which the specific energy is the same are called

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

10 / 50

10. *To measure atmospheric pressure, we use

11 / 50

11. Find the capillary rise/fall in a glass tube when immersed in mercury with the following given data: surface tension, σ = 0.52 gmf/cm, angle of contact, θ = 130°, S.G. of mercury = 13.6, diameter of the pipe = 2.5 mm.

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12. Which of the following has the highest coefficient of discharge:

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

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14. Super-critical flow occurs in

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15. The multiplying factor for converting one poise into MKS unit of dynamic viscosity is

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

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

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

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19. *The rate of flow through a V-notch varies as:

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

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21. The hydrostatic force exerted by 2 m deep water on the gate downstream is equal to

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22. Pick up the correct statement from the following

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23. The error 1% in measuring H will produce a

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24. Hydraulic gradient line for an open flow channel is

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25. *Cipolleti weir is a

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26. *The pressure in pipe flow is normally

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27. ........ is defined as the maximum increase in water level in the path of the flow of water

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28. *Hydraulic gradient is equal to

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29. *Water cushion is used to

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

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31. For the flow of liquid from an open-ended tube (nozzle) leading to the formation of a spray of liquid drops, the number generally is

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

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

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35. At the vena contracta, the jet has the minimum cross-sectional area, and so the velocity of the liquid at this section will be

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36. Specific weight of liquid

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37. *Cipolletti weir is a trapezoidal weir having a side slope of

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

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39. *Head loss increases with

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40. *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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41. Discharge over an ogee weir remains the same as that of

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42. An oil of specific gravity 0.7 and pressure 0.14 kgf/cm^2 will have the height of oil as

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43. Liquids

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44. The continuity equation

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45. *The most economical section of a circular channel for the maximum velocity is when

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

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

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48. 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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49. The ratio of the percentage error in the discharge and the percentage error in the measurement of head over a rectangular notch is

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50. In an open channels the analysis of a sugar is done by using

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