Civil Engineering – Hydraulics Mock test – 2




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1. 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
2. The side slope of Cipolletti weir is generally kept
3. A short tube mouthpiece will not run full at its outlet if the head under which the orifice works, is
4. The momentum correction factor (β) for the viscous flow through a circular pipe is
5. 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
6. The shear stress distribution in viscous fluid through a circular pipe is :
7. The ratio of maximum velocity to average velocity of viscous fluid through a circular pipe is
8. The maximum vacuum created at the summit of a syphon is
9. A piezometer opening in pipes measures
10. Unit of kinematic viscosity is
11. When a body is totally or partially immersed in a fluid, it is buoyed up by a force equal
12. Differential manometers are used to measure
13. Highest dam in India, is
14. The thickness of a sharp crested weir is kept less than
15. If the total head of the nozzle of a pipe is 37.5 m and discharge is 1 cumec, the power generated is
16. Hydrostatic pressure on a dam depends upon its
17. Reynold number is the ratio of initial force and
18. An ideal flow of a liquid obeys
19. 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
20. Most economical section of a circular channel for maximum discharge
21. The horizontal component of the force on a curved surface is equal to
22. A syphon is used
23. Maximum efficiency of transmission of power through a pipe, is
24. A pitot tube is used to measure
25. An independent mass of a fluid does not posses







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