Concrete Technology and Design of Concrete Structures In a spherical dome the hoop stress due to a concentrated load at crown is compressive everywhere tensile everywhere partly compressive and partly tensile zero compressive everywhere tensile everywhere partly compressive and partly tensile zero ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete remains constant increases with richer mixes decreases with richer mixes None of these remains constant increases with richer mixes decreases with richer mixes None of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures To determine the modulus of rupture, the size of test specimen used is 100 x100 x700 mm 150 x150 x500 mm 150 x150 x700 mm 100 x100 x500 mm 100 x100 x700 mm 150 x150 x500 mm 150 x150 x700 mm 100 x100 x500 mm 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 fcr fc5>fcr>fC fcr>fcs>fc. tcr – rcs = tct fcr fc5>fcr>fC fcr>fcs>fc. tcr – rcs = tct ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is (ii) and (iv) (i) and (iii) (i)and(iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i)and(iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Maximum percentage reinforcement in case of slabs is limited to 4 8 2 9 4 8 2 9 ANSWER DOWNLOAD EXAMIANS APP
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