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

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

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3. *Differential manometers are used to measure

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4. The pressure less than atmospheric pressure is known as

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

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6. *Manometers are used to measure

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7. If the fluid particles move in a zig-zag way, the flow is called

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8. From a nozzle exposed to the atmosphere, the liquid jet traverses

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9. In a flowing liquid, a particle may possess

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

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

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

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13. Weber number is the ratio of inertia force to

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

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15. *Barometers are used to measure

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16. 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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17. *Cavitations is caused by

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18. *The float method is used to measure

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

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20. Water belongs to

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21. 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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22. 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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23. *Pascal's law states that pressure at a point is equal in all directions

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24. Hydraulic gradient line and total energy line are

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25. If the Froude number in open channel flow is more than 1.0, the flow is called

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26. Water hammer is a phenomenon that occurs

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27. *Hydraulic gradient is equal to

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

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30. Hooke's law for solids is analogous to

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

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

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33. Cavitations is collapsed by

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

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35. *The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at its centroid if

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36. The depth of flow after the hydraulic jump is

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37. In an inclined position, a venturimeter records

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38. The term z is known as

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39. When the pipes are connected in series, the total rate of flow

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

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41. The numerical value of vorticity is.....of the rotation

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42. *The hydraulic ram is a device

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

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44. A fluid particle may possess the displacement of

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

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

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

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

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

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50. *Cipolleti weir is a

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