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 greater than 1 is always less than 1 can be less than 1 can be more than 1 is always greater than 1 is always less than 1 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 10 % 20% 5% 15% 10 % 20% 5% 15% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a ring beam subjected to uniformly distributed load i) shear force at mid span is zero ii) shear force at mid span is maximum iii) torsion at mid span is zero iv) torsion at mid span is maximum The correct answer is (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs only in post-tensioned beams only in pretensioned beams in both post-tensioned and preten-sioned beams None of these only in post-tensioned beams only in pretensioned beams in both post-tensioned and preten-sioned beams None of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to IS : 456- 1978, minimum slenderness ratio for a short column is more than 24 between 18 and 24 less than 18 less than 12 more than 24 between 18 and 24 less than 18 less than 12 ANSWER DOWNLOAD EXAMIANS APP
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% 70 % 40% 60% 50% 70 % 40% 60% ANSWER DOWNLOAD EXAMIANS APP