Exercise: Hydraulics

Questions for: Hydraulics

The Empirical formula for discharge over large rectangular weirs, is known as
A:
Francis formula
B:
Bazin formula
C:
Rehbook formula
D:
Kutter's formula.
Answer: B
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A pipe consisting of several pipes of varying diameters and lengths, may be replaced by an equivalent pipe of diameter D of length
A:
B:
C:
D:
Answer: C
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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
A:
π
B:
2π
C:
3π
D:
4π
Answer: C
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The horizontal component of the force on a curved surface is equal to
A:
weight of liquid vertically below the curved surface
B:
force on a vetical projection of the curved surface
C:
product of pressure at its centroid and the area
D:
weight of liquid retained by the curved area.
Answer: B
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In a circular pipe of length L and diameter d, a viscous liquid is flowing with a velocity v. The loss in head, is
A:
B:
C:
D:
Answer: A
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