Civil Engineering - Strength of Materials

1. 

The stress necessary to initiate yielding, is considerably

A. more than that necessary to continue it
B. less than that necessary to continue it
C. more than that necessary to stop it
D. less than that necessary to stop it.

Answer: Option A

Explanation:

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2. 

If a circular beam of diameter d experiences a longitudinal strain and a lateral strain the volumetric strain is

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

Answer: Option B

Explanation:

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3. 

Strain energy of any member may be defined as work done on it

A. to deform it
B. to resist elongation
C. to resist shortening
D. all the above.

Answer: Option D

Explanation:

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4. 

If the length of a cantilever carrying an isolated load at its free end is doubled, the deflection of the free end will increase by

A. 8
B. 1/8
C. 1/3
D. 2
E. 3

Answer: Option A

Explanation:

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5. 

If b is the width of a plate joined by diamond riveting of diameter d, the efficiency of the joint is given by

A.
B.
C.
D.

Answer: Option B

Explanation:

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