For keeping the stress wholly compressive the load may be applied on a circular

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Question
For keeping the stress wholly compressive the load may be applied on a circular column anywhere within a concentric circle of diameter
Options
A. d/2
B. d/3
C. d/4
D. d/8
E. d/10

Correct Answer

d/4

Strength of Materials problems

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1. For a stable frame structure, number of members required, is
Options
A. three times the number of joints minus three
B. twice the number of joints minus three
C. twice the number of joints minus two
D. twice the number of joints minus one
E. none of these.

2. A member is balanced at its end by two inclined members carrying equal forces. For equilibrium the angle between the inclined bars must be
Options
A. 3�
B. 45�
C. 60�
D. 90�
E. 120�

3. Pick up the correct assumption of the theory of simple bending
Options
A. The value of the Young's modulus is the same in tension as well as in compression
B. Transverse section of a beam remains plane before and after bending
C. The material of the beam is homogeneous and isotropic
D. The resultant pull or thrust on transverse section of a beam is zero
E. All the above.

9. Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose
Options
A. one end is fixed and other end is hinged
B. both ends are hinged or pin jointed
C. one end is fixed and the other end entirely free
D. both the ends are fixed
E. none of the these.

10. The section modulus of a rectangular section is proportional to
Options
A. area of the section
B. square of the area of the section
C. product of the area and depth
D. product of the area and width
E. half moment of inertia of the section.

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