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Civil Engineering - Theory of Structures


Exercise

"Example is better than precept."
- (Proverb)
1. 

The assumption in the theory of bending of beams, is :

A. material is homogeneous
B. material is isotropic
C. Young's modulus is same in tension as well as in compression
D. each layer is independent to expand or to contract
E. all the above.

2. 

The shape factor of standard rolled beam section varies from

A. 1.10 to 1.20
B. 1.20 to 1.30
C. 1.30 to 1.40
D. 1.40 to 1.50

3. 

Shear strain energy theory for the failure of a material at elastic limit, is due to

A. Rankine
B. Guest or Trecas
C. St. Venant
D. Haig
E. Von Mises.

4. 

The point of contraflexure is the point where

A. B.M. changes sign
B. B.M. is maximum
C. B.M. is minimum
D. S.F. is zero.

5. 

The normal component of a force inclined through θ° is obtained by multiplying the force by

A. sin θ
B. cos θ
C. tan θ
D. sin θ cos θ
E. sin2θ




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