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. One horsepower is equal to

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2. The maximum velocity in an open channel occurs

3 / 50

3. The viscosity of liquids varies with temperature

4 / 50

4. Falling drops of water become spheres due to

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

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

7 / 50

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

8 / 50

8. For uniform flow in the channel

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9. *Pressure within a soap bubble is

10 / 50

10. In the case of a broad-crested weir, the depth of water h at the end of the still is given by

11 / 50

11. *Surface float is used to measure

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12. *Stoke is the unit of

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13. An intensifier is used to increase

14 / 50

14. *Head loss increases with

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15. Discharge over an ogee weir remains the same as that of

16 / 50

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.

17 / 50

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

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

19 / 50

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

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

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22. *Barometers are used to measure

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23. The error 1% in measuring H will produce a

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24. 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)

25 / 50

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

26 / 50

26. Super-critical flow occurs in

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27. *An ideal flow of a liquid obeys

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28. 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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29. *Molecules of fluids get attracted due to

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30. Velocity of flow may be determined using:

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31. *The wetted perimeter of a channel is given by

32 / 50

32. Cavitations is collapsed by

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33. In a venturimeter, the divergent cone is kept

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

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

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36. *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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37. *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

38 / 50

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

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

40 / 50

40. Hydraulic gradient line and total energy line are

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41. In a flowing liquid, a particle may possess

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

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43. *Orifice-meter is used to measure:

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

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

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46. *Bernoulli's equation assumes that

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47. The term z is known as

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

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

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

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