Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is All of these To resist tensile stresses To provide adequate bond stress To impart initial compressive stress in concrete All of these To resist tensile stresses To provide adequate bond stress To impart initial compressive stress in concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If a beam fails in bond, then its bond strength can be increased most economi-cally by providing vertical stirrups using thicker bars but less in number increasing the depth of beam using thinner bars but more in number providing vertical stirrups using thicker bars but less in number increasing the depth of beam using thinner bars but more in number ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete isi) to increase shrinkageii) to decrease shrinkageiii) to increase setting timeiv) to decrease setting timeThe correct answer is (ii) and (iv) (i) and (iii) (ii) and (iii) (i)and(iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i)and(iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover in a slab should neither be less than the diameter of bar nor less than 20 mm 15 mm 10 mm 30 mm 20 mm 15 mm 10 mm 30 mm 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 3 times the least lateral dimension The least lateral dimension 4 times the least lateral dimension 2 times the least lateral dimension 3 times the least lateral dimension The least lateral dimension 4 times the least lateral dimension 2 times the least lateral dimension ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Strength of concrete increases with decrease in curing time decrease in size of aggregate increase in water-cement ratio increase in fineness of cement decrease in curing time decrease in size of aggregate increase in water-cement ratio increase in fineness of cement ANSWER DOWNLOAD EXAMIANS APP
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