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







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