RCC Structures Design
In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called

Over reinforced section
Critical section
Economic section
Under-reinforced section

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RCC Structures Design
The self-weight of the footing, is

Not considered for calculating the upward pressure on footing
Also considered for calculating the upward pressure on footing
Not considered for calculating the area of the footing
Both (b) and (c)

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