Mechanical Engineering - Strength of Materials

31. 

The bending stress in a beam is __________ section modulus.

A. directly proportional to
B. inversely proportional to

Answer: Option B

Explanation:

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32. 

When shear force at a point is zero, then bending moment is __________ at that point.

A. zero
B. minimum
C. maximum
D. infinity

Answer: Option C

Explanation:

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33. 

The maximum bending moment for the beam shown in the below figure, lies at a distance of __________ from the end B.

A. l/2
B. l/3
C.
D.

Answer: Option D

Explanation:

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34. 

When a bar is cooled to - 5°C, it will develop

A. no stress
B. shear stress
C. tensile stress
D. compressive stress

Answer: Option C

Explanation:

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35. 

The limit of eccentricity is based upon no tension condition.

A. True
B. False

Answer: Option A

Explanation:

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