In Mohr's circle, the centre of circle from Y-axis is taken as

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In Mohr's circle, the centre of circle from Y-axis is taken as
Options
A.
B.
C.
D.

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Strength of Materials problems

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1. The shear force and bending moment are zero at the free end of a cantilever beam, if it carries a
Options
A. point load at the free end
B. point load at the middle of its length
C. uniformly distributed load over the whole length
D. none of the above

5. When a circular bar tapering uniformly from diameter d₁, at one end to diameter d₂ at the other end, is subjected to an increase in temperature (t), then the thermal stress induced is (where ? = Coefficient of linear expansion, and E = Modulus of elasticity for the bar material)
Options
A.
B.
C.
D.

6. The shear force diagram fora cantilever beam of length l and carrying a gradually varying load from zero at free end and w per unit length at the fixed end is a
Options
A. horizontal straight line
B. vertical straight line
C. inclined line
D. parabolic curve

8. A bolt is made to pass through a tube and both of them are tightly fitted with the help of washers and nuts. If the nut is tightened, then
Options
A. bolt arid tube are under tension
B. bolt and tube are under compression
C. bolt is under compression and tube is under tension
D. bolt is Under tension and tube is under compression

9. The volumetric strain is the ratio of the
Options
A. original thickness to the change in thickness
B. change in thickness to the original thickness
C. original volume to the change in volume
D. change in volume to the original volume

10. Which of the following statement is correct?
Options
A. The stress is the pressure per unit area.
B. The strain is expressed in mm.
C. Hook's law holds good upto the breaking point.
D. Stress is directly proportional to strain within elastic limit.

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