Concrete Technology and Design of Concrete Structures
Examine the following statements :
i) Factor of safety for steel should be based on its yield stress,
ii) Factor of safety for steel should be based on its ultimate stress,
iii) Factor of safety for concrete should be based on its yield stress,
iv) Factor of safety for concrete should be based on its ultimate stress.
The correct statements are

(ii) and (iii)
(ii) and (iv)
(i) and (iv)
(i) and (iii)

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Concrete Technology and Design of Concrete Structures
The main reinforcement in the toe of a T- shaped R C. retaining wall is provided oni) top face parallel to the wallii) top face perpendicular to the walliii) bottom face paralleUo the walliv) bottom face perpendicular to the wallThe correct answer is

(i) and (ii) are correct
(iii) and (iv) are correct
only (iv) is correct
only (ii) is correct

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Concrete Technology and Design of Concrete Structures
Minimum pitch of transverse reinforcement in a column is

sixteen times the smallest diameter of longitudinal reinforcement bar to be tied
the least lateral dimension of the member
lesser of the above three values
forty-eight times the diameter of transverse reinforcement

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