### Civil Engineering - Mechanics

#### Question - 1

The shear stress at any section at a distance y from neutral axis is given by

• A $\tau =\frac { VA\bar { y } }{ lb }$
• B $\tau =\frac { VAb }{ \sqrt { y } }$
• C $\tau =\frac { ib\bar { y } }{ VA }$
• D $\tau =\frac { IA\bar { y } }{ Vb }$

#### Question - 2

The shape of the shear stress diagram for a square beam is

• A parabola
• B hyperbola
• C rectangle
• D triangular

#### Question - 3

A sudden change in shear stress distribution diagram at the cross-section shows

• A sudden change in depth of the section
• B sudden change in width of beam
• C Both of the above
• D None of the above

#### Question - 4

A beam of square sectionis placed horizontally with one diagonal placed horizontally. The maximum shear stress occurs at

• A 3/8d from top
• B 3/8d from NA
• C at the NA
• D at the top

#### Question - 5

A simply supported steel I-beam is subjected to a shear force Q. If the depth of beam of 2h and the maximum shear occurs at a distance........from the bottom

• A 1.5h
• B 1.0h
• C 0.8h
• D 0.5h

#### Question - 6

The shear stress distribution diagram of a beam is shown in the given figure.

The cross-section of the beam is

• A 1
• B $\Box$
• C T
• D $\triangle$

#### Question - 7

The shear stress distribution shown in figure represents a beam with cross-section.

• A
• B
• C
• D

#### Question - 8

The shear stress distribution over a beam cross-section is shown in the figure, the beam is of

• A equal flange I-section
• B unequal flange I-section
• C circular cross-section
• D T-section

#### Question - 9

A simply supported I -beam with its web horizontal is shown in the given fiqure. Tt is subjected to a vertical load. The shape of the shear stress distribution in the cross-section of the beam under the load would be

• A
• B
• C
• D

#### Question - 10

A beam of square cross-section is placed horizontally with are diagonal horizontal as shown in the figure. It is subjected to a vertical shear force acting along the depth of cross-section. Maximum shear stress across the depth of cross-section occurs at a deapth X from top. What is the value of X?

• A zero
• B X=2D/3
• C X=3D/4
• D X=D