Test: Soil Mechanics & FM- 4 - Civil Engineering (CE) MCQ

Loss of energy at the entrance of a pipe from a large vessel is given by the formula

The stream function for a two dimensional flow is given by Y = 2xy. The velocity at (2,2) is

In case of S₂ water surface profile (y = depth of flow, y_o = normal depth and y_c = critical depth)

A surge tank is provided in the hydro power scheme to

If the Froude number characterizing flow in an open channel is less than unity an increase in channel width causes the water surface elevation to

In case of broad crested weire, the depth of water h at the end of sill is given by

The horizontal to vertical side slope in case of Cippoletti weir?

The concept of boundary layer was first introduced by

The thickness of boundary layer at the leading (entrance) edge will be

On a stationary thin plate, having flow in the direction of length of the patle, if discharge is reduced then the thickness of boundary layer will

Laminar sublayer is a thin boundary layer, formed just adjacent to the boundary in

As compared to laminar flow, in turbulent flow, boundary layers will be

The tangential force exerted by the shearing stresses on an object submerged in a fluid is known as

Drag and lift forces acting on an object placed is a fluid stream are caused by

The component of resultant fluid dynamic force,in the flow direction is called

Lift force is induced in a object, if

For a stream line body, the predominant drag force is

The tendency of a liquid surface to contract is due to the following property

The friction drag is caused by

When an ideal fluid flows past a sphere

With the same cross-sectional area and placed in the same turbulent flow, the largest drag will be experienced by

The friction drag is more than pressure drag for