Hydraulics Mock test – 4 || Civil Engineering Mock tests

Welcome to your Hydraulics & Fluid Mechanics Mock test - 4
Take an exciting test in Hydraulics/Fluid Mechanics
You have only 20 mins to complete the test (25 Questions)
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1. The coefficient of discharge in case of internal mouthpiece is __________ that of external  mouthpiece.
2. A flow in which the viscosity of fluid is dominating over the inertia force is called
3. A flow whose streamline is represented by a curve, is called
4. The length of the divergent cone in a Venturimeter is __________ that of the convergent cone.
5. If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in
6. The unit of surface tension is
7. A notch is used to measure __________ of liquids.
8. An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch,
9. A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow.
10. The error in discharge (dQ/Q) to the error in measurement of head (dH/H) over a rectangular notch is given by
11. The units of dynamic or absolute viscosity are
12. Barometer is used to measure
13. The viscosity of a liquid __________ its rate of flow through a hole in a vessel.
14. The stress-strain relation of the Newtonian fluid is
15. The value of coefficient of discharge is __________ the value of coefficient of velocity.
16. A flow in which the quantity of liquid flowing per second is not constant, is called
17. The coefficient of venturi-flume, generally, lies between
18. Euler's number is the ratio of __________ force to pressure force.
19. A fluid whose viscosity does not change with the rate of deformation or shear strain is known as
20. The flow of water through the hole in the bottom of a wash basin is an example of
21. The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head  lost due to friction in the pipe)
22. The specific gravity of water is taken as
23. The hydraulic mean depth or the hydraulic radius is the ratio of
24. The hydraulic mean depth for a circular pipe of diameter (d) is
25. The weight per unit volume of a liquid at a standard temperature and pressure is called

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