Concrete Technology and Design of Concrete Structures Ultimate strength of cold drawn high steel wires decreases with increase in diameter of bar increases with increase in diameter of bar does not depend on diameter of bar None of these decreases with increase in diameter of bar increases with increase in diameter of bar does not depend on diameter of bar None of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel) 0.67 fy 0.87 fy 0.57 fy 0.37 fy 0.67 fy 0.87 fy 0.57 fy 0.37 fy ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs None of these in both post-tensioned and preten-sioned beams only in pretensioned beams only in post-tensioned beams None of these in both post-tensioned and preten-sioned beams only in pretensioned beams only in post-tensioned beams ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete decreases with richer mixes increases with richer mixes remains constant None of these decreases with richer mixes increases with richer mixes remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The average permissible stress in bond for plain bars in tension is decreased by 25% for bars in compression increased by 10% for bars in compression decreased by 10% for bars in compression increased by 25% for bars in compression decreased by 25% for bars in compression increased by 10% for bars in compression decreased by 10% for bars in compression increased by 25% for bars in compression ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided oni) bottom face near counterfortii) top face near counterfortiii) bottom face near centre of spaniv) top face near centre of span The correct answer is both (i) and (iv) only (i) only (ii) both (ii) and (iii) both (i) and (iv) only (i) only (ii) both (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP