# SHEAR STRESSES IN BEAMS MULTIPLE CHOICE QUESTIONS (MCQ) WITH ANSWERS

## MULTIPLE CHOICE QUESTIONS

### at the extreme fibers. ### Fig. Shear stress distribution in typical sections 1. ### Shear stress variation in a beam is

(a) Linear

(b) Exponential

(c) Logarithmic

(d) None

ANS: (d)

2. Shear stress variation in a beam is

(a) Linear

(b) Exponential

(c) Parabolic

(d) None

ANS: (c)

3. Average shear stress in a beam is (Shear force is ‘V’)

(a) V/Z

(b) V/A

(c) V/M

(d) Non

ANS: (b)

4. In symmetrical beam sections, the maximum shear stress is in the

(a) Top extreme fiber
(b) Centroid axis fiber

(c) Bottom most fiber

(d) Non

ANS: (b)

5. The shear stress in a beam is

(a) Only longitudinal

(b) Only vertical

(c) Longitudinal as well as vertical

(d) Non

6. In the shear stress in beam formula, τ   = VA’ Y-‘/I b,   A’ is the area

(a) Of the entire beam

(b) Above the centroid axis

(c) Below the centroid axis

(d) Non

ANS: (d)

7. In the shear stress in beam formula, τ   = VA’ Y-‘/I b,  A’ is the area

(a) Of the entire beam

(b) Above the centroid axis

(c) Above the fiber at distance y

(d) Non

ANS: (c)

(c) 3

(d) None

(b) 2.5

(c) 3.5

(d) None

1. ### Shear center in case of a channel section beam will lie

#### (a) Within the cross section

(b) Outside the cross section

(c) On the outer edge of the section

1. ### Shear center in case of a I- section beam will lie

(a) Within the cross section

(b) Outside the cross section

### 32. Shear stress in a beam is given by

#### (d) None

ANS:(d)

31. A beam of triangular section with base ‘b’ and height ‘h’. It is subjected to shear force Fs. The shear stress at the neutral axis is

(a) 3 Fs/4bh

(a) 4 Fs/3bh

(a) 3 Fs/8bh

(d) None

ANS: (d)

32. A beam of triangular section with base ‘b’ and height ‘h’. It is subjected to shear force Fs. The shear stress at the neutral axis is

(a) 3 Fs/8bh

(a) 4 Fs/3bh

(a) 8 Fs/3bh

(d) None

ANS: (c)