Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called workability admixtures retarders accelerators air entraining agents workability admixtures retarders accelerators air entraining agents ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Select the incorrect statement... None of these The loss of prestress is more in pre-tensioning system than in post-tensioning system. Pretensioning system has greater certainty about its durability. For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system None of these The loss of prestress is more in pre-tensioning system than in post-tensioning system. Pretensioning system has greater certainty about its durability. For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To resist tensile stresses To impart initial compressive stress in concrete All of these To provide adequate bond stress To resist tensile stresses To impart initial compressive stress in concrete All of these To provide adequate bond stress ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Ratio of permissible stress in direct compression and bending compression is between 1 and 1.5 between 1.5 and 2.0 less than 1 greater than 2 between 1 and 1.5 between 1.5 and 2.0 less than 1 greater than 2 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover in a slab should neither be less than the diameter of bar nor less than 15 mm 10 mm 30 mm 20 mm 15 mm 10 mm 30 mm 20 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The load carrying capacity of a helically reinforced column as compared to that of a tied column is about 10% less 5% more 10% more 5% less 10% less 5% more 10% more 5% less ANSWER DOWNLOAD EXAMIANS APP