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







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