1. Tensile stresses in concrete arise on account of the following:
(i) Direct tension
(ii) Flexural tension
(iii) Diagonal tension (shear)
(iv) Temperature and shrinkage

[A] (i) only
[B] (i) and (ii)
[C] (ii), (iii) and (iv)
[D] (i), (ii), (iii) and (iv)

Answer: Option D


2. Design compressive stress in concrete, for collapse in flexure, is taken as _____.
[A] 0.55fck
[B] 0.77fck
[C] 0.67fck
[D] 0.45fck

Answer: Option D


3. The factor of safety for flexural compression in case of working stress method is _____.
[A] 1.5
[B] 2
[C] 3
[D] 3.5

Answer: Option C


4. In limit state method, the failure criterion for reinforced concrete beam and column is based on ____.
[A] Maximum principle stress theory
[B] Maximum principle strain theory
[C] Maximum shear stress theory
[D] Maximum normal stress theory

Answer: Option B


5. Which of the following cracks are the first cracks to be formed in an overloading scenario of an Over-reinforced RCC beam?
[A] Web shear cracks
[B] Flexure shear cracks
[C] Flexural cracks
[D] Concrete crushing

Answer: Option D


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