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 60 mm 45mm 50 mm 40 mm 60 mm 45mm 50 mm 40 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called workability admixtures air entraining agents accelerators retarders workability admixtures air entraining agents accelerators retarders ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Long line method Lee-Macall system Freyssinet system Magnel-Blaton system Long line method Lee-Macall system Freyssinet system Magnel-Blaton system ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Strength of concrete increases with 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 decrease in size of aggregate increase in fineness of cement ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The diameter of ties in a column should be More than or equal to one fourth of diameter of main bar More than 5 mm and also more than one-fourth of diameter of main bar More than or equal to 5 mm More than 5 mm but less than one-fourth of diameter of main bar More than or equal to one fourth of diameter of main bar More than 5 mm and also more than one-fourth of diameter of main bar More than or equal to 5 mm More than 5 mm but less than one-fourth of diameter of main bar ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Ratio of permissible stress in direct compression and bending compression is between 1.5 and 2.0 greater than 2 less than 1 between 1 and 1.5 between 1.5 and 2.0 greater than 2 less than 1 between 1 and 1.5 ANSWER DOWNLOAD EXAMIANS APP
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