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. *Cavitations is caused by

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2. Velocity of flow may be determined using:

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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. If the specific gravity of oil is 0.7, then find the density of oil

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5. An intensifier is used to increase

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6. 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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7. The two depths at which the specific energy is the same are called

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

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9. 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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10. The difference in pressure head measured by a mercury-oil differential manometer for a 20 cm difference of mercury level will be (specific gravity of oil-0.8)

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11. One horsepower is equal to

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

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

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14. *Hydraulic gradient line (except siphon)

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

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16. 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

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17. *An independent mass of a fluid does not possess

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18. In a venturimeter, the divergent cone is kept

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19. *Water cushion is used to

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20. *Back water curve is caused if there is a

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21. For the laminar flow through a circular pipe, the maximum velocity is

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22. Mouthpieces are used to measure

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23. *Capillarity of water is

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24. *To measure very low pressure, we use:

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

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26. Specific weight of liquid

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27. *Viscosity of a liquid

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28. *The hydraulic radius is equal to

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29. Hydrostatic pressure on a dam depends upon its

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30. *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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31. Hydraulic gradient line and total energy line are

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

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33. *Surface tension is the force

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34. A siphon is an

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35. *The term v^2/2g is known as

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

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

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39. The water immediately downstream of the conduit or weir is called

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40. *Uniform flow is said to occur when

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41. *An ideal flow of a liquid obeys

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42. *The pressure in pipe flow is normally

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

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44. In an inclined position, a venturimeter records

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45. Hydraulic gradient line for an open flow channel is

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46. 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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47. *Bernoulli's equation is applied to

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48. Liquids or fluids

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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. *If the velocity in a fluid flow does not change with respect to the length of the direction of flow, it is called

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