Concrete Technology and Design of Concrete Structures
In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on

the front face in one direction
the inner face in one direction
the inner face in both directions
the front face in both directions

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Concrete Technology and Design of Concrete Structures
According to IS : 456-1978, the fiexural strength of concrete is

directly proportional to square root of compressive strength
inversely proportional to square root of compressive strength
inversely proportional to compressive strength
directly proportional to compressive strength

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Concrete Technology and Design of Concrete Structures
The critical section for finding maximum bending moment for footing under masonry wall is located

at the edge of the wall
at a distance equal to effective depth of footing from the edge of the wall
at the middle of the wall
halfway between the middle and edge of the wall

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