 Strength of Materials
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Practice Preview (20 questions)Show answers
• Question 1
30 seconds
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Q.

In a leaf spring, the length of all the leaves are equal.

True

False

None of the above

• Question 2
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Q.

A beam supported on more than two supports is called

simply supported beam

fixed beam

overhanging beam

continuous beam

• Question 3
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Q.

Two beams, one of circular cross-section and the other of square cross-section, have equal areas of cross-sections. When these beams are subjected to bending,

both beams are equally economical

square beam is more economical

circular beam is more economical

none of these

• Question 4
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Q.

The compression test is carried on __________ materials.

ductile

brittle

malleable

plastic

• Question 5
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Q.

When a material is loaded within elastic limit, the material will regain its shape and size when the load is removed.

Agree

Disagree

• Question 6
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Q.

The bending stress in a beam is __________ bending moment

equal to

less than

more than

directly proportional to

• Question 7
30 seconds
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Q.

The bending stress in a beam is __________ bending moment

equal to

less than

more than

directly proportional to

• Question 8
30 seconds
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Q.

The tensile strength of ductile materials is __________ its compressive strength.

equal to

less than

greater than

none of the above

• Question 9
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Q.

The maximum shear stress developed in a beam of circular section is __________ the average shear stress.

equal to

4/3 times

1.5 times

twice

• Question 10
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Q.

When a body is subjected to a direct tensile stress (σ) in one plane, then maximum normal stress occurs at a section inclined at __________ to the normal of the section.

30°

45°

90°

• Question 11
30 seconds
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Q.

A rectangular beam of length l supported at its two ends carries a central point load W. The maximum deflection occurs

at the ends

at l/3 from both ends

at the centre

none of these

• Question 12
30 seconds
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A rectangular beam subjected to a bending moment is shown in the figure. The upper layer of the beam will be in tension.

True

False

• Question 13
30 seconds
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In a stress-strain diagram as shown in the figure, the curve A represents

mild steel

soft brass

low carbon steel

cold rolled steel

• Question 14
30 seconds
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Q.

Shear modulus is the ratio of

linear stress to linear strain

linear stress to lateral strain

volumetric strain to linear strain

shear stress to shear strain

• Question 15
30 seconds
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Q.

A thick pressure vessel is always used for the generation of steam, as it can withstand high pressures.

True

False

• Question 16
30 seconds
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Q.

When there is a sudden increase or decrease in shear force diagram between any two points, it indicates that there is a

point load at the two points

uniformly distributed load between the two points

uniformly varying load between the two points

• Question 17
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Q.

The bending moment at the ends of a simply supported beam will be zero.

Yes

No

• Question 18
30 seconds
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Q.

The bending moment on a section is maximum where shear force is

minimum

maximum

changing sign

zero

• Question 19
30 seconds
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Q.

In spring balances, the spring is used

to apply forces

to measure forces

to absorb shocks

to store strain energy

• Question 20
30 seconds
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Q.

When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is