Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To impart initial compressive stress in concrete All of these To provide adequate bond stress To resist tensile stresses To impart initial compressive stress in concrete All of these To provide adequate bond stress To resist tensile stresses ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse) 0.446 xu 0.573 xu 0.416 xu 0.367 xu 0.446 xu 0.573 xu 0.416 xu 0.367 xu ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The slab is designed as one way if the ratio of long span to short span is less than 1 between 1.5 and 2 greater than 2 between 1 and 1.5 less than 1 between 1.5 and 2 greater than 2 between 1 and 1.5 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory can be less than 1 is always less than 1 is always greater than 1 can be more than 1 can be less than 1 is always less than 1 is always greater than 1 can be more than 1 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ±20% of average ± 10% of average ±5% of average ± 15% of average ±20% of average ± 10% of average ±5% of average ± 15% of average ANSWER DOWNLOAD EXAMIANS APP
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 front face in both directions the inner face in both directions the inner face in one direction the front face in one direction the front face in both directions the inner face in both directions the inner face in one direction ANSWER DOWNLOAD EXAMIANS APP
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