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. 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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2. *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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3. *The rate of flow through a venturimeter varies as

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

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5. For a long pipe, the head loss

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6. The water immediately downstream of the conduit or weir is called

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

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

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

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10. Gauge pressure is

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11. *Cipolleti weir is a

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

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13. *Uniform flow is said to occur when

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14. The inlet length of a venturimeter

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15. Water hammer is a phenomenon that occurs

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16. The maximum velocity in an open channel occurs

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

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

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20. In the case of leveling by a level pipe, the level is indicated by

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21. Mouthpieces are used to measure

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22. Chazy's formula is used to determine

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

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24. Critical depth (he) is given by (where q= rate of flow per unit width of channel)

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25. *The float method is used to measure

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26. *A stepped notch is a combination of

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27. The viscosity of liquids varies with temperature

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28. *Manometers are used to measure

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29. Open channel flow is

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30. Water belongs to

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31. Super-critical flow occurs in

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32. The minimum head loss will occur in

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33. *Surface tension is the force

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34. *The imaginary line joining each head of water is called

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

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36. Liquids

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

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39. If the Froude number in open channel flow is equal to 1.0, the flow is called

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40. The section of the Jet leaving an orifice, having the minimum cross-section area, is called

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41. *Rotameter is used for measuring

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

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

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44. *If the velocity, pressure, density, etc., change at a point with respect to time, the flow is called

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45. A siphon is an

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46. *The difference between the total energy line and the hydraulic gradient line is

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47. *Hydraulic gradient is equal to

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48. *The difference between the total energy gradient line and the total energy line is

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49. In the case of vortex flow, the level of water at the center is

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50. Hydraulic gradient line and total energy line are

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