The deformation of the bar per unit length in the direction of the force is know

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Question
The deformation of the bar per unit length in the direction of the force is known as
Options
A. linear strain
B. lateral strain
C. volumetric strain
D. shear strain

Correct Answer

linear strain

Strength of Materials problems

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2. When a beam is subjected to a bending moment, the strain in a layer is __________ the distance from the neutral axis.
Options
A. equal to
B. directly proportional to
C. inversely proportional to
D. independent of

4. A beam of T-section is subjected to a shear force of F. The maximum shear force will occur at the
Options
A. top of the section
B. bottom of the section
C. neutral axis of the section
D. junction of web and flange

5. When a bar of length l and diameter d is rigidly fixed at the upper end and hanging freely, then the total elongation produced in the bar due to its own weight is (where w = Weight per unit volume of the bar)
Options
A.
B.
C.
D.

8. Which of the following statement is correct?
Options
A. A continuous beam has only two supports at the ends.
B. A uniformly distributed load spreads uniformly over the whole length of a beam.
C. The bending moment is maximum where shear force is maximum.
D. The maximum bending moment of a simply supported beam of length l with a central point load W is Wl/8.

9. A rod is enclosed centrally in a tube and the assembly is tightened by rigid washers. If the assembly is subjected to a compressive load, then
Options
A. rod is under compression
B. tube is under compression
C. both rod and tube are under compression
D. tube is under tension and rod is under compression

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