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 creep of concrete elastic shortening of concrete loss due to friction shrinkage of concrete creep of concrete elastic shortening of concrete loss due to friction ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The main reinforcement in the toe of a T- shaped R C. retaining wall is provided on i) top face parallel to the wall ii) top face perpendicular to the wall iii) bottom face paralleUo the wall iv) bottom face perpendicular to the wall The correct answer is (i) and (ii) are correct only (iv) is correct only (ii) is correct (iii) and (iv) are correct (i) and (ii) are correct only (iv) is correct only (ii) is correct (iii) and (iv) are correct ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The fineness modulus of fine aggregate is in the range of 6.0 to 8.5 5.0 to 7.0 2.0 to 3.5 3.5 to 5.0 6.0 to 8.5 5.0 to 7.0 2.0 to 3.5 3.5 to 5.0 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Bulking of sand is maximum if moisture content is about 7% 6% 4% 5% 7% 6% 4% 5% 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 fcr>fcs>fc. fc5>fcr>fC tcr – rcs = tct fcr fcr>fcs>fc. fc5>fcr>fC tcr – rcs = tct ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ± 15% of average ±5% of average ± 10% of average ±20% of average ± 15% of average ±5% of average ± 10% of average ±20% of average ANSWER DOWNLOAD EXAMIANS APP
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