Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is 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 To impart initial compressive stress in concrete All of these 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 14 days 3 days 7 days 24 to 48 hours 14 days 3 days 7 days ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stress The correct answer is only (iii) (i) and (ii) (ii) and (iii) All (i), (ii) and (iii) only (iii) (i) and (ii) (ii) and (iii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by fc5>fcr>fC tcr – rcs = tct fcr>fcs>fc. fcr fc5>fcr>fC tcr – rcs = tct fcr>fcs>fc. fcr ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Approximate value of shrinkage strain in concrete, is 3.0E-5 0.03 0.003 0.0003 3.0E-5 0.03 0.003 0.0003 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to IS: 456-1978, the column or the strut is the member whose effective length is greater than 4 times the least lateral dimension 3 times the least lateral dimension 2 times the least lateral dimension The least lateral dimension 4 times the least lateral dimension 3 times the least lateral dimension 2 times the least lateral dimension The least lateral dimension ANSWER DOWNLOAD EXAMIANS APP
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