# Civil Engineering - Strength of Materials

### Exercise :: Strength of Materials - Section 1

31.

If a shaft is rotating N revolutions per minute with an applied torque T kg-m, the horse power being transmitted by the shaft, is

 A. B. C. D. E. none of these.

Explanation:

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32.

If the width of a simply supported beam carrying an isolated load at its centre is doubled, the deflection of the beam at the centre is changed by

 A. 1/2 B. 1/8 C. 2 D. 8 E. 4

Explanation:

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33.

For a simply supported beam of length L, the bending moment M is described as M = a (x - x3/L2), 0 ≤ x < L; where a is a constant. The shear force will be zero at

 A. the supports B. x = L/2 C. x = L/3 D. x = L/3

Explanation:

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34.

The deflection of any rectangular beam simply supported, is

 A. directly proportional to its weight B. inversely proportional to its width C. inversely proportional to the cube of its depth D. directly proportional to the cube of its length E. none of these.

Explanation:

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35.

If a rectangular beam measuring 10 x 18 x 400 cm carries a unformly distributed load such that the bending stress developed is 100 kg/cm2. The intensity of the load per metre length, is

 A. 240 kg B. 250 kg C. 260 kg D. 270 kg E. 280 kg.