Civil Engineering Hydraulics/Fluid Mechanics Mock test - 3 - ENGINEERING BIX

Civil Engineering Hydraulics/Fluid Mechanics Mock test – 3



Welcome to your Hydraulics Mock test - 3
Take an exciting test in Hydraulics/Fluid Mechanics
You have only 20 mins to complete the test (25 Questions)
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1. On an inclined plane, centre of pressure is located
2. f total head available at the inlet of pipe and f1 is the loss of head due to friction in the pipe, the maximum efficiency of transmission of power (ηmax) is
3. In an open tube, free surface of mercury remains
4. Dimensions of the dynamic viscosity (μ) are
5. Cappoletti weir is a
6. To avoid vapourisation, pipe lines are laid over the ridge so that these are above the hydraulic gradient line, not more than
7. An error of 1% in measuring the head of water over the crest of a triangular notch, produces an error in the discharge which is equal to
8. The value of momentum correction factor (β) for a laminar flow through a circular pipe, is
9. The following is not a laminar flow
10. The best side slope for most economical trapezoidal section, is
11. Atmospheric pressure is equal to water column head of
12. If velocities of fluid particles vary from point to point in magnitude and direction, as well as from instant to instant, the flow is said to be
13. For the flow of liquid from an open ended tube (or nozzle) leading to the formation of spray of liquid drops, the number generally applied, is
14. Most economical section of a triangular channel, is
15. Shear stress is directly proportional to
16. Fluids change the volume under external presssure due to
17. Piezometers are used to measure
18. To avoid an interruption in the flow of a syphon, an air vessel is provided
19. Discharge over an ogee weir remains the same as that of
20. Uniform flow is said to occur when
21. The rise of the liquid along the walls of a revolving cylinder above the initial level, is
22. Manometers are used to measure
23. Molecules of fluids get attracted due to
24. For exerting a pressure of 4.8 kg/cm2, the depth of oil (specific gravity 0.8), should be
25. When no air is left below the nappe and water stream adheres to the down stream face of the weir, it is known as









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