Free Printable SOM-SESSION 12 -4TH SEM

1.

A beam fixed at one end and free at other end is

called______________

a)

Simply

supported beam

b)

Cantilever

beam

c)

Fixed

beam

d)

Overhanging

beam

2.

The load which is concentrated or acting at one

point is known as __________

a)

Uniformly

distributed load

b)

Uniformly

Varying load

c)

Point

load

d)

None

3.

The stresses introduced by bending moment are

known as ______________

a)

Shear

stress

b)

Compressive

stress

c)

Tensile

stress

d)

Bending

stress

4.

The unit of bending moment is ____________

a)

N-mm

b)

N/mm

c)

N/mm2

d)

None

5.

Unit of Moment of inertia is ____________

a)

mm4

b)

mm3

c)

mm

d)

N

6.

Moment of inertia for a rectangular section is

_________

a)

bd3/12

b)

bd3/2

c)

bxd

d)

none

7.

Unit of section modulus is _______

a)

mm4

b)

mm2

c)

mm

d)

mm3

8.

If F=20N/mm² , I =400mm⁴ , M = 200N-mm,Then Y = ____

a)

25 mm

b)

45 mm

c)

40 mm

d)

100 mm

9.

Fibers below the neutral axis (NA) get stretched in _______

a)

Hogging

b)

Sagging

c)

both

d)

none

10.

Fibers above the neutral axis (NA) get stretched in __________

a)

Hogging

b)

Sagging

c)

Both

d)

None

11.

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

12.

Bending moment M = __________

a)

f X I

b)

f X Z

c)

f/I

d)

f/Z

13.

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

14.

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

15.

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 12 -4TH SEM

Total questions: 15

Worksheet time: 8mins

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