Civil Engineering - Theory of Structures

Exercise :: Theory of Structures - Section 1

26. 

If E, N, K and 1/m are modulus of elasticity, modulus of rigidity. Bulk modulus and Poisson ratio of the material, the following relationship holds good

A.
B.
C.
D. all the above.

Answer: Option D

Explanation:

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27. 

The ratio of maximum shear stress to average shear stress of a circular beam, is

A.
B.
C.
D.

Answer: Option D

Explanation:

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28. 

A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be,

A. 10 m
B. 12 m
C. 14 m
D. 16 m
E. 18 m

Answer: Option D

Explanation:

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29. 

A steel rod 1 metre long having square cross section is pulled under a tensile load of 8 tonnes. The extension in the rod was 1 mm only. If Esteel = 2 x 106 kg/cm2, the side of the rod, is

A. 1 cm
B. 1.5 cm
C. 2 cm
D. 2.5 cm

Answer: Option C

Explanation:

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30. 

The maximum deflection due to a uniformly distributed load w/unit length over entire span of a cantilever of length l and of flexural rigidly EI, is

A.
B.
C.
D.

Answer: Option C

Explanation:

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