Concrete Technology and Design of Concrete Structures In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by 50% 60% 40% 70 % 50% 60% 40% 70 % ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases workability strength the unit weight the effects of temperature variations workability strength the unit weight the effects of temperature variations ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The main reinforcement in the heel of a T-shaped R.C. retaining wall is provided on both top and bottom faces perpendicular to wall None of these bottom face perpendicular to wall top face perpendicular to wall both top and bottom faces perpendicular to wall None of these bottom face perpendicular to wall top face perpendicular to wall ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The average permissible stress in bond for plain bars in tension is increased by 25% for bars in compression decreased by 10% for bars in compression decreased by 25% for bars in compression increased by 10% for bars in compression increased by 25% for bars in compression decreased by 10% for bars in compression decreased by 25% for bars in compression increased by 10% for bars in compression ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In reinforced concrete footing on soil, the minimum thickness at edge should not be less than 250 mm 150 mm 200 mm 100 mm 250 mm 150 mm 200 mm 100 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? creep of concrete 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 ANSWER DOWNLOAD EXAMIANS APP