Final Concepts

Question 1

For cantilever beam, bending moment will be at

Answer 1

free end

Question 2

In a beam, effect of bending stress is _____ effect of shear stress

Answer 2

greater than

Question 3

The load which is distributed uniformly over the length of the beam, then the load is called

Answer 3

uniformly distributed load

Question 4

Which type of beam, freely supported at two points, has one or both ends extending beyond these supports?

Answer 4

overhang beam

Question 5

Area moment of inertia of the cross-section of the beam resist

Answer 5

the applied bending moment of the beam

Question 6

A fixed beam is subjected to a uniformly distributed load over its entire span. The points of contra-flexure will occur on either side of the center at a distance of _____ from the center

Answer 6

(L/2 sqrt 3)

Question 7

For a simply supported beam, where would absolute maximum shear occur?

Answer 7

Just next to one of ends

Question 8

When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when

Answer 8

The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration

Question 9

The maximum bending moment due to a train of wheel loads on a simply supported girder

Answer 9

Always occurs under a wheel load

Question 10

Floor loads are transmitted from slabs to which part in a floor girder system?

Answer 10

Floor beams

Question 11

Assuming that we need to determine maximum shear at a point C of a beam, which of the following sentences will always be true for that condition?

Answer 11

One of the loads should be at a point in proximity to point C

Question 12

For a cantilevered beam, where would absolute maximum shear occur?

Answer 12

Just next to fixed support

Question 13

ILD means

Answer 13

Influence Line Diagram

Question 14

For steel, the ultimate strength in shear as compared to ultimate strength in tension is:

Answer 14

2/3

Question 15

If section modulus of a beam is increased, the bending stress in the beam will

Answer 15

decrease

Question 16

The strength of beam section mainly depends on

Answer 16

section modulus

Question 17

Neutral axis is the axis at which stress is

Answer 17

zero

Question 18

In the case of a triangular section, the shear stress is maximum at the

Answer 18

height of h/2

Question 19

An inverted T-section is subjected to a shear force F. The maximum shear stress will occur at

Answer 19

neutral axis of the section

Question 20

A cantilever beam of T cross-section carries uniformly distributed load. Where does the maximum magnitude of bending stress occur?

Answer 20

at the bottom of the section

Question 21

Two beams of equal cross-sectional area are subjected to equal bending moment. If one beam has a square cross-section and the other has a circular cross-section, then

Answer 21

square section beam will be stronger

Question 22

In a simply supported beam, maximum shear stress in a triangular cross-section (altitude h) occurs at a distance:

Answer 22

h/6 from top the beam

Question 23

In a simply supported rectangular beam loaded transversely, the maximum tensile bending stress occurs at

Answer 23

bottom fiber

Question 24

In a cantilever beam, slope and deflection is maximum at

Answer 24

free end

Question 25

Moment area method is used to calculate

Answer 25

deflection of beams

Question 26

In the case of a beam simply supported at both ends, if the same load instead of being concentrated at center is distributed uniformly throughout the length, then deflection at center will get reduced by

Answer 26

3/8 times

Question 27

Which of the following represents the bending at a section of the beam?

Answer 27

EI d^2y/dx^2

Question 28

Bending moment at any section in a conjugate beam gives ____ in the actual beam

Answer 28

deflection

Question 29

The slope and deflection at the center of a simple beam carrying a central point load are

Answer 29

zero and maximum

Question 30

For a simply supported subjected to uniformly distributed load, if the length of the beam is doubled, deflection becomes ____ times

Answer 30

16