Free Printable SOM - SESSION 3 -4TH SEM

1.

Section modulus is defined as the ratio of _______

a)

Moment of inertia and distance of outermost layer from neutral layer

b)

Moment of inertia and young's modulus

c)

young's modulus and distance of outermost layer from neutral layer

d)

None

2.

Unit of section modulus is _______

a)

mm⁴

b)

mm²

c)

mm

d)

mm³

3.

Section modulus for a rectangular section is ______

a)

bd³/6

b)

bd²/6

c)

bd/6

d)

None

4.

Section modulus for a circular section is _________-

a)

$\frac{\pi d^3}{32}$

b)

$\frac{\pi d^{4\ }}{64}$

c)

$\frac{\pi d}{2}$

d)

None

5.

Bending moment M = __________

a)

f X I

b)

f X Z

c)

f/I

d)

f/Z

6.

Section modulus for Hollow circular section is _______-

a)

$\frac{\pi\left(D^{4\ \ }-\ d^4\right)}{32D}$

b)

$\frac{\pi\left(D^3\ -\ d^3\right)}{32D}$

c)

$\frac{\pi\left(D^{2\ }-\ d^2\right)}{64D}$

d)

None

7.

Section modulus for a Hollow rectangular section is __________

a)

$\frac{\left(BD^{3\ }-\ bd^3\right)}{6D}$

b)

$\frac{\left(BD^2\ -bd^2\right)}{6D}$

c)

$\frac{\left(BD^3\ -\ bd^3\right)}{64D}$

d)

None

8.

If B=3m, D= 9m, Calculate the section modulus of a rectangular section

a)

45

b)

4.5

c)

40.5

d)

50

SOM - SESSION 3 -4TH SEM

Total questions: 8

Worksheet time: 4mins

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