Concrete Technology and Design of Concrete Structures If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be 0.45 d 0.35 d 0.40 d dependent on grade of concrete also 0.45 d 0.35 d 0.40 d dependent on grade of concrete also 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 % 15% 5% 20% 10 % 15% 5% 20% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Strength of concrete increases with decrease in size of aggregate increase in fineness of cement decrease in curing time increase in water-cement ratio decrease in size of aggregate increase in fineness of cement decrease in curing time increase in water-cement ratio ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs None of these only in post-tensioned beams only in pretensioned beams in both post-tensioned and preten-sioned beams None of these only in post-tensioned beams only in pretensioned beams in both post-tensioned and preten-sioned beams 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 (iii) and (iv) are correct only (ii) is correct (i) and (ii) are correct only (iv) is correct (iii) and (iv) are correct only (ii) is correct (i) and (ii) are correct only (iv) is correct ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be Above 0.92 0.75 - 0.80 0.85 - 0.92 0.75 - 0.80 Above 0.92 0.75 - 0.80 0.85 - 0.92 0.75 - 0.80 ANSWER DOWNLOAD EXAMIANS APP
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