Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete None of these increases with richer mixes remains constant decreases with richer mixes None of these increases with richer mixes remains constant decreases with richer mixes ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The depth of footing for an isolated column is governed byi) maximum bending momentii) shear forceiii) punching shear The correct answer is (i), (ii) and (iii) (i) and (iii) (i) and (ii) only (i) (i), (ii) and (iii) (i) and (iii) (i) and (ii) only (i) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ± 10% of average ±5% of average ± 15% of average ±20% of average ± 10% of average ±5% of average ± 15% of average ±20% of average ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Approximate value of shrinkage strain in concrete, is 3.0E-5 0.003 0.0003 0.03 3.0E-5 0.003 0.0003 0.03 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover to the ties or spirals should not be less than 20 mm 25 mm 50mm 15 mm 20 mm 25 mm 50mm 15 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For walls, columns and vertical faces of all structural members, the form work is generally removed after 24 to 48 hours 3 days 14 days 7 days 24 to 48 hours 3 days 14 days 7 days ANSWER DOWNLOAD EXAMIANS APP