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This mock test of Test: Hydrostatic Force on Surface for Civil Engineering (CE) helps you for every Civil Engineering (CE) entrance exam.
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QUESTION: 1

One end of a two-dimensional water tank has the shape of a quadrant of a circle of radius 2 m. When the tank is full, the vertical component of the force per unit length on the curved surface will be

Solution:

QUESTION: 2

When the water surface coincides with the top edge of a rectangular vertical gate 40 m (wide) x 3 m (deep), then the depth of centre of pressure is

Solution:

Depth of centre of pressure,

h_{p} = 2d/3 = (2 x 3)/3 = 2 m

QUESTION: 3

In which of the following arrangements would the vertical force in the cylinder due to water be maximum

Solution:

Vertical force will be maximum when the cylinder is completely submerged in water.

QUESTION: 4

An isosceles triangular plate of base 3 m and altitude 3 m is immersed vertically in an oil of specific gravity 0.8. The base of the plate coincides with the free surface of oil. The centre of pressure will lie at a distance of (from free surface)

Solution:

Depth of pressure (h*) from free oil surface is given by,

QUESTION: 5

A vertically immersed surface of size b x d has its width b parallel to the water surface and depth of its centroid from the water surface is The distance of its centre of water pressure from the water surface is

Solution:

Centre of water pressure,

QUESTION: 6

For a vertical semicircular plate submerged in a homogeneous liquid with its diameter ‘d' at the free surface, the depth of centre of pressure from the free surface is

Solution:

QUESTION: 7

The position of centre of pressure on a plane surface immersed vertically in a static mass of fluid is

Solution:

QUESTION: 8

A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m respectively below the free surface. The position of centre of pressure below the free surface will be at a distance of

Solution:

QUESTION: 9

The horizontal component of force on a curved surface is equal to the

Solution:

QUESTION: 10

A circular plate of diameter d is submerged in water vertically, so that the topmost point is just at the water surface. The centre of pressure on the plate will be below the water surface at a depth of

Solution:

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