Civil Engineering - Strength of Materials

6. 

The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length, is

A.
B.
C.
D.
E.

Answer: Option B

Explanation:

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7. 

A three-hinged arch is said to be :

A. statically determinate structure
B. statically indeterminate structure
C. a bent beam
D. none of these.

Answer: Option A

Explanation:

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8. 

The deflection due to couple M at the free end of a cantilever length L is

A.
B.
C.
D.

Answer: Option C

Explanation:

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9. 

The shape of the bending moment diagram over the length of a beam, having no external load, is always

A. linear
B. parabolic
C. cubical
D. circular.

Answer: Option A

Explanation:

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10. 

Pick up the incorrect statement

A. The cross-sectional area of the welded member is effective
B. A welded joint develops strength of its parent metal
C. Welded joints provide rigidity
D. Welded joints have better finish
E. Welding takes more time than riveting.

Answer: Option E

Explanation:

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