Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? elastic shortening of concrete shrinkage of concrete loss due to friction creep of concrete elastic shortening of concrete shrinkage of concrete loss due to friction creep of concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome) wR / 4d wR/2d 2wR/d wR/d wR / 4d wR/2d 2wR/d wR/d 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 concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be 0.75 - 0.80 0.75 - 0.80 Above 0.92 0.85 - 0.92 0.75 - 0.80 0.75 - 0.80 Above 0.92 0.85 - 0.92 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called air entraining agents workability admixtures retarders accelerators air entraining agents workability admixtures retarders accelerators ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than 0.15 0.13 0.12 0.14 0.15 0.13 0.12 0.14 ANSWER DOWNLOAD EXAMIANS APP
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