Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? shrinkage of concrete elastic shortening of concrete loss due to friction creep of concrete shrinkage of concrete elastic shortening of concrete loss due to friction creep of concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, use of pozzuolanic cement increases shrinkage increases strength reduces workability increases bleeding increases shrinkage increases strength reduces workability increases bleeding ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The permissible diagonal tensile stress in reinforced brick work is about 0.1 N/mm² about 1.0 N/mm² zero 0.3 N/mm² to 0.7 N/mm² about 0.1 N/mm² about 1.0 N/mm² zero 0.3 N/mm² to 0.7 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is 4 m 3.5 m 5 m 6 m 4 m 3.5 m 5 m 6 m 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>fcs>fc. fcr fc5>fcr>fC tcr – rcs = tct fcr>fcs>fc. fcr fc5>fcr>fC ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete decreases with richer mixes None of these remains constant increases with richer mixes decreases with richer mixes None of these remains constant increases with richer mixes ANSWER DOWNLOAD EXAMIANS APP