Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs in both post-tensioned and preten-sioned beams only in pretensioned beams None of these only in post-tensioned beams in both post-tensioned and preten-sioned beams only in pretensioned beams None of these only in post-tensioned beams ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 10 % 5% 15% 20% 10 % 5% 15% 20% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than 45mm 60 mm 40 mm 50 mm 45mm 60 mm 40 mm 50 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The approximate value of the ratio between direct tensile strength and flexural strength is 0.5 0.33 1 0.75 0.5 0.33 1 0.75 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The limits of percentage p of the longitudinal reinforce-ment in a column is given by 0.8% to 6% 0.15% to 2% 0.8% to 4% 0.8% to 8% 0.8% to 6% 0.15% to 2% 0.8% to 4% 0.8% to 8% 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) (ii) and (iii) (i)and(iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i)and(iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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