Concrete Technology and Design of Concrete Structures For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory can be less than 1 can be more than 1 is always less than 1 is always greater than 1 can be less than 1 can be more than 1 is always less than 1 is always greater than 1 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be 0.35 d 0.45 d dependent on grade of concrete also 0.40 d 0.35 d 0.45 d dependent on grade of concrete also 0.40 d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Strength of concrete increases with increase in fineness of cement decrease in size of aggregate decrease in curing time increase in water-cement ratio increase in fineness of cement decrease in size of aggregate decrease in curing time increase in water-cement ratio ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The limits of percentage p of the longitudinal reinforce-ment in a column is given by 0.8% to 4% 0.15% to 2% 0.8% to 6% 0.8% to 8% 0.8% to 4% 0.15% to 2% 0.8% to 6% 0.8% to 8% 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 provide adequate bond stress To impart initial compressive stress in concrete All of these To resist tensile stresses To provide adequate bond stress To impart initial compressive stress in concrete All of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In case of hand mixing of concrete, the extra cement to be added is 5% 20% 10% 15% 5% 20% 10% 15% ANSWER DOWNLOAD EXAMIANS APP