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

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2. In an inclined pipe, the pressure difference at its two ends is due to

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

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

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5. *If a pitot tube is placed with its nose facing downstream, the liquid

6 / 50

6. "Manning's formula is used for

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

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8. The line joining the points to which the liquid rises in vertical piezometer tubes fitted at different cross-sections of a conduit is known as

9 / 50

9. Specific weight of liquid

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10. In fluids, steady flow occurs when

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

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12. 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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13. *An independent mass of a fluid does not possess

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14. *The width of a weir with end contraction is

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15. The inlet length of a venturimeter

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16. *Bernoulli's equation assumes that

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17. 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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18. Mass density of liquid (p) is given by

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19. *1 m head is equivalent to

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

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22. 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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23. Which of the following has the highest coefficient of discharge:

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24. *The phenomenon occurring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream, causing a distinct rise of the liquid surface, is

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25. *Hydraulic gradient line (except siphon)

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

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

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29. *Manometers are used to measure

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

31 / 50

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

32 / 50

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

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33. 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)

34 / 50

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

35 / 50

35. An intensifier is used to increase

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36. Practical fluids possess

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

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

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

40 / 50

40. 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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41. In an open channel flow

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42. *Stoke is the unit of

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43. Liquids

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

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

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

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47. Weber number is the ratio of inertia force to

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48. *Losses are more in

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49. 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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50. A ideal fluid

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