Concrete Technology and Design of Concrete Structures The percentage of voids in cement is approximately 40% 60% 70% 50% 40% 60% 70% 50% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs only in post-tensioned beams only in pretensioned beams None of these in both post-tensioned and preten-sioned beams only in post-tensioned beams only in pretensioned beams None of these in both post-tensioned and preten-sioned beams ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Ultimate strength of cold drawn high steel wires increases with increase in diameter of bar does not depend on diameter of bar None of these decreases with increase in diameter of bar increases with increase in diameter of bar does not depend on diameter of bar None of these decreases with increase in diameter of bar ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Magnel-Blaton system Lee-Macall system Long line method Freyssinet system Magnel-Blaton system Lee-Macall system Long line method Freyssinet system ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In case of hand mixing of concrete, the extra cement to be added is 20% 5% 15% 10% 20% 5% 15% 10% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The depth of footing for an isolated column is governed byi) maximum bending momentii) shear forceiii) punching shear The correct answer is (i) and (iii) (i) and (ii) only (i) (i), (ii) and (iii) (i) and (iii) (i) and (ii) only (i) (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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