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WorksheetsStrength of Materials
Total questions: 20
Worksheet time: 10mins
In a leaf spring, the length of all the leaves are equal.
True
False
None of the above
A beam supported on more than two supports is called
simply supported beam
fixed beam
overhanging beam
continuous beam
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
The compression test is carried on __________ materials.
ductile
brittle
malleable
plastic
When a material is loaded within elastic limit, the material will regain its shape and size when the load is removed.
Agree
Disagree
The bending stress in a beam is __________ bending moment
equal to
less than
more than
directly proportional to
The bending stress in a beam is __________ bending moment
equal to
less than
more than
directly proportional to
The tensile strength of ductile materials is __________ its compressive strength.
equal to
less than
greater than
none of the above
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
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.
0°
30°
45°
90°
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
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
In a stress-strain diagram as shown in the figure, the curve A represents
mild steel
soft brass
low carbon steel
cold rolled steel
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
A thick pressure vessel is always used for the generation of steam, as it can withstand high pressures.
True
False
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
no loading between the two points
uniformly distributed load between the two points
uniformly varying load between the two points
The bending moment at the ends of a simply supported beam will be zero.
Yes
No
The bending moment on a section is maximum where shear force is
minimum
maximum
changing sign
zero
In spring balances, the spring is used
to apply forces
to measure forces
to absorb shocks
to store strain energy
When a bar is subjected to a change of temperature and its deformation is prevented, the stress induced in the bar is
tensile stress
compressive stress
shear stress
thermal stress
