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. Which of the following has the highest coefficient of discharge:

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2. 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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3. Mach number is the ratio of inertia force to

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

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5. 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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6. The continuity equation

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

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

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

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

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11. 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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12. *Pressure head is given by

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13. 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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14. The pressure less than atmospheric pressure is known as

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15. In an open channel flow

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16. Liquids

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

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

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19. Mass density of liquid (p) is given by

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20. Poise is the unit of

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21. *Cipolleti weir is a

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22. *Uniform flow is said to occur when

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23. Hydrostatic pressure on a dam depends upon its

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24. *The phenomenon occurring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream, causing a distinct rise of the liquid surface, is

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25. In an open channel flow

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26. *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

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

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28. *If the volume of a liquid weighing 2400 kg is 3 cubic meters, then 0.8 is its:

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

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30. A fluid particle may possess the displacement of

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31. *Piezometers are used to measure

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

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33. 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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34. *1 m head is equivalent to

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35. *Molecules of fluids get attracted due to

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36. For the same specific force, the two depths at which the same discharge occurs are called

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

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

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

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

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41. *Capillarity of water is

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42. ........ is defined as the maximum increase in water level in the path of the flow of water

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43. *If a pitot tube is placed with its nose facing downstream, the liquid

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44. In a flowing liquid, a particle may possess

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

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

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

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48. "Manning's formula is used for

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49. Hooke's law for solids is analogous to

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50. *To measure atmospheric pressure, we use

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