Concrete Technology and Design of Concrete Structures The strength of concrete after one year as compared to 28 days strength is about 20 to 25% more 15 to 20% more 25 to 50% more 10 to 15% more 20 to 25% more 15 to 20% more 25 to 50% more 10 to 15% more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Normally prestressing wires are arranged in the upper part of the beam lower part of the beam center anywhere upper part of the beam lower part of the beam center anywhere ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete remains constant increases with richer mixes None of these decreases with richer mixes remains constant increases with richer mixes None of these decreases with richer mixes ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The factor of safety for steel is lower than that for concrete steel is higher than that for concrete None of these steel and concrete are same steel is lower than that for concrete steel is higher than that for concrete None of these steel and concrete are same 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 50 mm 40 mm 45mm 60 mm 50 mm 40 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs 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 None of these only in post-tensioned beams ANSWER DOWNLOAD EXAMIANS APP
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