Civil Engineering - Strength of Materials

41. 

A joint of a frame is subjected to three tensile force P, Q and R equally inclined to each other. If P is 10 tonnes, the other forces will be

A. Q = 10 tonnes and R = zero
B. R + 10 tonnes and Q = zero
C. Q + R = 10 tonnes
D. Q - R = zero
E. Q and R each is equal to 10 tonnes.

Answer: Option E

Explanation:

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42. 

If a member is subjected to a tensile force P, having its normal cross-section A, the resulting shear stress in an oblique plane inclined at an angle θ to its transverse plane, is

A.
B.
C.
D.
E.

Answer: Option B

Explanation:

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43. 

A simply supported beam carries two equal concentrated loads W at distances L/3 from either support. The maximum bending moment

A.
B.
C.
D.
E.

Answer: Option A

Explanation:

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44. 

If a solid shaft is subjected to a torque T at its end such that maximum shear stress does not exceed fz the diameter of the shaft will be

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

Answer: Option C

Explanation:

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45. 

Pick up the correct statement from the following :

A. The distance of the eccentric axial load from the C.G. beyond which tension develops, is known as kern distance
B. In visco-elastic material, stress-strain relation is dependent on time
C. An instropic material has different properties is different directions
D. An orthotropic material has different properties in three mutually perpendicular directions
E. All the above.

Answer: Option E

Explanation:

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