Concrete Technology and Design of Concrete Structures
In a counterfort retaining wall, the main reinforcement is provided on the i) bottom face in front counterfort ii) inclined face in front counterfort iii) bottom face in back counterfort iv) inclined face in back counterEort The correct answer is

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

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Concrete Technology and Design of Concrete Structures
Stress strain curve of high tensile steel

does not show definite yield point but yield point is defined by 2% proof stress,
does not show definite yield point but yield point is defined by 0.2% proof stress
does not show definite yield point but yield point is defined by 0.1% proof stress
has a definite yield point

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Concrete Technology and Design of Concrete Structures
The diameter of ties in a column should be

More than or equal to 5 mm
More than or equal to one fourth of diameter of main bar
More than 5 mm and also more than one-fourth of diameter of main bar
More than 5 mm but less than one-fourth of diameter of main bar

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