# Civil Engineering - Theory of Structures

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

6.

The force in BC of the truss shown in the given figure, is A. 3.0t compression B. 3.0t tension C. t tension D. t compression E. None of these.

Explanation:

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7.

The equivalent length of a column of length L, having one end fixed and other end hinged, is

 A. 2L B. L C. D. Explanation:

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8.

At any point of a beam, the section modulus may be obtained by dividing the moment of inertia of the section by

 A. depth of the section B. depth of the neutral axis C. maximum tensile stress at the section D. maximum compressive stress at the section E. none of these.

Explanation:

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9.

For calculating the permissible stress is the emprical formula, known as

 A. Straight line formula B. Parabolic formula C. Perry's formula D. Rankine's formula.

Explanation:

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10.

The maximum height of a masonry dam of a triangular section whose base width is b and specific gravity s, is

 A. bs B. b.s C. bs D. s b E. 