Civil Engineering - Strength of Materials

1. 

Pick up the correct statement from the following :

A. A ductile material has large plastic zone
B. A brittle material has no plastic zone
C. A rigid material has no plastic zone
D. All the above.

Answer: Option D

Explanation:

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2. 

The number of points of contraflexure in a simple supported beam carrying uniformly distributed load, is

A. 1
B. 2
C. 3
D. 0

Answer: Option D

Explanation:

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3. 

The maximum bending moment due to a moving load on a simply supported beam, occurs

A. at the mid span
B. at the supports
C. under the load
D. anywhere on the beam
E. none of these.

Answer: Option C

Explanation:

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4. 

A three hinged parabolic arch hinged at the crown and springings, has a horizontal span of 4.8 m and a central rise of 1 m. It carries a uniformly distributed load of 0.75 tonne per metre over half left hand span. The horizontal thrust at the support will be

A. 10.8 tonnes
B. 1.08 tonnes
C. 1.8 tonnes
D. 0.8 tonnes
E. none of these.

Answer: Option B

Explanation:

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5. 

The length of a column which gives the same value of buckling load by Euler and Rankine-Gordon formula, is equal to

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

Answer: Option B

Explanation:

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