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Friday 10 November 2017

Strength Of Materials/Mechanics Of Materials - Section 1 part 5

21. 
In the torsion equation  the term J/R is called
A.shear modulus
B.section modulus
C.polar modulus
D.none of these

22. 
Strain resetters are used to
A.measure shear strain
B.measure linear strain
C.measure volumetric strain
D.relieve strain

23. 
The torque transmitted by a solid shaft of diameter (D) is (where τ = Maximum allowable shear stress)
A. x τ x D3
B. x τ x D3
C. x τ x D3
D. x τ x D3

24. 
When a rectangular beam is loaded transversely, the maximum compressive stress is developed on the
A.top layer
B.bottom layer
C.neutral axis
D.every cross-section

25. 
For a beam, as shown in the below figure, when the load W is applied in the centre of the beam, the maximum deflection is
A.
B.
C.
D.

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