# Civil Engineering - Theory of Structures

### Exercise :: Theory of Structures - Section 4

26.

A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is

 A. B. C. D. Explanation:

No answer description available for this question. Let us discuss.

27.

A simply supported beam A carries a point load at its midspan. An other identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be

 A. B. C. D. Explanation:

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28.

The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span ; flexural rigidity being EI, is

 A. B. C. D. Explanation:

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29.

The strain energy due to volumetric strain

 A. is directly proportional to the volume B. is directly proportional to the square of exerted pressure C. is inversely proportional to Bulk modulus D. all the above.

Explanation:

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30.

If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is A. B. C. D. 