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. *The hydraulic radius is equal to

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2. In an inclined position, a venturimeter records

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3. Open channel flow is

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

5 / 50

5. To ensure that water does not rise more than 100 cm above the crest, for a discharge of 5.00 m^3/sec, the length of the weir will be (Cd = 0.62)

6 / 50

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

7 / 50

7. *Manometers are used to measure

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8. A fluid particle may possess the displacement of

9 / 50

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

10 / 50

10. *In flow, the liquid particles may possess

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11. The maximum velocity in an open channel occurs

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12. *Venturimeter is used to measure

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13. In an open channel flow

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14. 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.

15 / 50

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

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

17 / 50

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

18 / 50

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

19 / 50

19. The ratio of the percentage error in the discharge and the percentage error in the measurement of head over a triangular notch is

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

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21. If the pressure is applied to the surface of a liquid, the liquid transmits the pressure equally in all directions is given by

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

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23. *If the volume of a liquid weighing 2400 kg is 3 cubic meters, then 0.8 is its:

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24. The viscosity of liquids varies with temperature

25 / 50

25. Poise is the unit of

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26. If the velocity in a fluid flow changes with respect to the length of the direction of the flow, it is called

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

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28. *Capillarity of water is

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29. Which of the following quantities are dimensionless?

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30. *The flow in which the path of individual particles of liquid cross each other is called

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31. Head loss due to friction in a pipe is given by the Darcy-Weisbach equation

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32. *The orifice used for low discharge is

33 / 50

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

34 / 50

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

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35. 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

36 / 50

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

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

38 / 50

38. Which of the following is the example of laminar flow?

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39. If the density of a fluid changes from point to point in a flow region, it is called

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40. *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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41. A siphon is used

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

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

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44. *The rate of flow through a venturimeter varies as

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45. *The discharge through a rectangular channel is maximum when

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46. The flow in which each liquid particle has a definite path is called

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47. *The discharge through a trapezoidal channel is maximum when

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48. *Piezometers are used to measure

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49. *The hydraulic ram is a device

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50. 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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