
SM 2

Quiz
•
Physics
•
12th Grade
•
Hard
Srinivas Banothu
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The elongation of a conical bar under its own weight is.......... that of prismatic bar of the same length.
equal to
half
one-third
two-third
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The length of a conical bar is 1, diameter of base is d and weight per unit volume is w. It is fixed at its upper end and hanging freely. The elongation of the bar under the action of its own weight will be
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Strain rosetters are used to
measure shear strain
measure linear strain
measure volumetric strain
relieve strain
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A bar of length L meters extends by l mm under a tensile force of P. The strain produced in the bar is
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The extension of a circular bar tapering uniformly from diameter d1 at one end to diameter d2 at the other end, and subjected to an axial pull of P is given by Strength of Materials
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The extension of a circular bar tapering uniformly from diameter d, at one end to diameter d₂ at the other end, and subjected to an axial pull of P is. the extension of a circular bar of diameter √d1d₂ subjected to the same load P.
equal to
less than
greater than
none of the above
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The ultimate tensile stress for mild steel is.............the ultimate compressive stress.
equal to
less than
more than
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