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
  • Certificate: Yes
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1. Pick up the correct statement from the following

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2. If the forces are due to inertia and gravity, and frictional resistance plays only a minor role, the design of channels is made by comparing

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

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4. Cavitations is collapsed by

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5. *A stepped notch is a combination of

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6. *What affects the quantity of mass of a fluid?

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

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8. *Orifice-meter is used to measure:

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

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

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

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12. *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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13. *Rotameter is used for measuring

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14. The viscosity of gases varies with temperature

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15. Water belongs to

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16. *The hydraulic ram is a pump that works on

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17. Hydraulic gradient line and total energy line are

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

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19. *Hydraulic gradient line (except siphon)

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20. 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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21. *Pascal's law states that pressure at a point is equal in all directions

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22. *Surface tension is the force

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

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

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26. In a flowing liquid, a particle may possess

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27. The pressure difference between inside and outside of a droplet of water is given by (Where σ is surface tension and d is the diameter of the droplet.)

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

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

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

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

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32. *Differential manometers are used to measure

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33. 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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34. Rotation is defined as the movement of a fluid element in such a way that both of its axes rotate in...

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

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

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38. In an open channel flow

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39. 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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40. *Venturimeter is used to measure

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41. The basic head loss in a long pipe is:

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42. *Stoke is the unit of

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43. An intensifier is used to increase

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

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45. Falling drops of water become spheres due to

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

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48. 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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49. *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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50. *The pressure in pipe flow is normally

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