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 creep of concrete loss due to friction elastic shortening of concrete shrinkage of concrete creep of concrete loss due to friction ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The slab is designed as one way if the ratio of long span to short span is between 1 and 1.5 less than 1 greater than 2 between 1.5 and 2 between 1 and 1.5 less than 1 greater than 2 between 1.5 and 2 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called workability admixtures accelerators air entraining agents retarders workability admixtures accelerators air entraining agents retarders ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The percentage of voids in cement is approximately 60% 40% 50% 70% 60% 40% 50% 70% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures To determine the modulus of rupture, the size of test specimen used is 100 x100 x700 mm 150 x150 x700 mm 150 x150 x500 mm 100 x100 x500 mm 100 x100 x700 mm 150 x150 x700 mm 150 x150 x500 mm 100 x100 x500 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Lee-Macall system Magnel-Blaton system Long line method Freyssinet system Lee-Macall system Magnel-Blaton system Long line method Freyssinet system ANSWER DOWNLOAD EXAMIANS APP
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