Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases the effects of temperature variations the unit weight strength workability the effects of temperature variations the unit weight strength workability ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Assertion A : The load factor for live load is greater than that for dead load.Reason R : The live loads are more uncertain than dead loads.Select your answer based on the coding system given below : Both A and R are true and R is the correct explanation of A. Both A and R are true but R is not the correct explanation of A. A is false but R is true. A is true but R is false. Both A and R are true and R is the correct explanation of A. Both A and R are true but R is not the correct explanation of A. A is false but R is true. A is true but R is false. 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) and (ii) (i), (ii) and (iii) only (i) (i) and (iii) (i) and (ii) (i), (ii) and (iii) only (i) (i) 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 tcr – rcs = tct fcr fc5>fcr>fC fcr>fcs>fc. tcr – rcs = tct fcr fc5>fcr>fC fcr>fcs>fc. ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is 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 To provide adequate bond stress ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures When shear stress exceeds the permissible limit in a slab, then it is reduced by Using high strength steel Providing shear reinforcement Using thinner bars but more in number Increasing the depth Using high strength steel Providing shear reinforcement Using thinner bars but more in number Increasing the depth ANSWER DOWNLOAD EXAMIANS APP
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