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

2 / 50

2. *The rise of the water table, which takes place due to the transformation of the unstable shooting flow (super-critical) to the stable streaming is called

3 / 50

3. *The condition for the maximum velocity and discharge is given by (closed flow)

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4. *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

5 / 50

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

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6. *Uniform flow is said to occur when

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7. 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

8 / 50

8. To avoid an interruption in the flow of a siphon, the air vessel is provided

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

10 / 50

10. 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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11. Specific weight of sea water is more than that of pure water because of

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12. With a clinging nappe of a weir, the excess discharge is

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13. *Total energy line (T.E.L) represents the sum of

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14. Super-critical flow occurs in

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

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

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19. *The rate of flow through a V-notch varies as:

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20. The continuity equation

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

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

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23. "Manning's formula is used for

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24. As per our convenience which one is correct with respect to the dimensionless number?

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

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

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28. A rise or fall of liquid in a glass tube of a very small diameter when dipped is

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29. The most efficient channel section is

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

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31. *Cavitations is caused by

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32. The discharge through a V-notch weir is directly proportional to:

33 / 50

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

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34. *In flow, the liquid particles may possess

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

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

37 / 50

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

38 / 50

38. Mach number is the ratio of inertia force to

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39. *Viscosity of a liquid

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

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41. In a flowing liquid, a particle may possess

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42. *The upper surface of the weir over which water flows is known as:

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43. The inlet length of a venturimeter

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44. A vessel having a depth of 30 cm is filled with water up to a depth of 10 cm from the top level. Find the pressure exerted at a depth of 5 cm and 15 cm from the top of the vessel respectively

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45. An oil of specific gravity 0.7 and pressure 0.14 kgf/cm^2 will have the height of oil as

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

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48. *The continuity equation deals with the law of conservation of

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49. The pressure less than atmospheric pressure is known as

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50. 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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