Civil Engineering - Theory of Structures

Exercise :: Theory of Structures - Section 1

41. 

A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is

A.
B.
C.
D.

Answer: Option C

Explanation:

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42. 

The ratio of the deflections of the free end of a cantilever due to an isolated load at l/3rd and 2/3rd of the span, is

A.
B.
C.
D.

Answer: Option B

Explanation:

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43. 

If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following:

A. Q = S + F
B. Q = S - F
C. Q = F - S
D. Q = S x F
E.

Answer: Option D

Explanation:

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44. 

In plastic analysis, the shape factor for a triangular section, is

A. 1.5
B. 1.34
C. 2.34
D. 2.5

Answer: Option C

Explanation:

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45. 

Pick up the correct statement from the following:

A. The point of intersection of the bending axis with the cross section of the beam, is called shear centre
B. For I sections, the shear centre coincides with the centroid of the cross section of the beam
C. For channels, the shear centre does not concide its centroid
D. Bending loads should pass through the shear centre to avoid twisting
E. All the above.

Answer: Option E

Explanation:

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