Civil Engineering – Hydraulics Mock test – 2




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1. The phenomenon occuring in an open channel when a rapidly flowing stream abruptly changes to a slowly flowing stream causing a distinct rise of liquid surface, is
2. Hydrostatic pressure on a dam depends upon its
3. Highest dam in India, is
4. Reynold number is the ratio of initial force and
5. A piezometer opening in pipes measures
6. The horizontal component of the force on a curved surface is equal to
7. An ideal flow of a liquid obeys
8. The ratio of maximum velocity to average velocity of viscous fluid through a circular pipe is
9. Maximum efficiency of transmission of power through a pipe, is
10. The maximum vacuum created at the summit of a syphon is
11. When a body is totally or partially immersed in a fluid, it is buoyed up by a force equal
12. A short tube mouthpiece will not run full at its outlet if the head under which the orifice works, is
13. Most economical section of a circular channel for maximum discharge
14. The momentum correction factor (β) for the viscous flow through a circular pipe is
15. Unit of kinematic viscosity is
16. A tank 4m x 3m x 2m containing an oil of specific gravity 0.83 is moved with an acceleration g/2 m sec2. The ratio of the pressures at its bottom when it is moving vertically up and down, is
17. An independent mass of a fluid does not posses
18. The shear stress distribution in viscous fluid through a circular pipe is :
19. A pitot tube is used to measure
20. The side slope of Cipolletti weir is generally kept
21. A syphon is used
22. The thickness of a sharp crested weir is kept less than
23. The radius of gyration of the water line of a floating ship is 4 m and its metacentric height is 72.5 cm. The period of oscillation of the ship, is
24. Differential manometers are used to measure
25. If the total head of the nozzle of a pipe is 37.5 m and discharge is 1 cumec, the power generated is







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