Concrete Technology and Design of Concrete Structures Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than 42 MPa and 35 MPa 35 MPa and 42 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa 42 MPa and 35 MPa 35 MPa and 42 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa 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 10% for bars in compression decreased by 25% for bars in compression decreased by 10% for bars in compression increased by 25% for bars in compression increased by 10% for bars in compression decreased by 25% 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 spanThe correct answer is both (i) and (iv) only (ii) both (ii) and (iii) only (i) both (i) and (iv) only (ii) both (ii) and (iii) only (i) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse) 0.416 xu 0.367 xu 0.573 xu 0.446 xu 0.416 xu 0.367 xu 0.573 xu 0.446 xu ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a ring beam subjected to uniformly distributed loadi) shear force at mid span is zeroii) shear force at mid span is maximumiii) torsion at mid span is zeroiv) torsion at mid span is maximumThe correct answer is (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For walls, columns and vertical faces of all structural members, the form work is generally removed after 3 days 24 to 48 hours 7 days 14 days 3 days 24 to 48 hours 7 days 14 days ANSWER DOWNLOAD EXAMIANS APP