Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 15% 5% 10 % 20% 15% 5% 10 % 20% 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 ? loss due to friction shrinkage of concrete elastic shortening of concrete creep of concrete loss due to friction shrinkage of concrete elastic shortening of concrete creep of concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stress The correct answer is (ii) and (iii) All (i), (ii) and (iii) only (iii) (i) and (ii) (ii) and (iii) All (i), (ii) and (iii) only (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
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 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 42 MPa and 35 MPa 35 MPa and 42 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a counterfort retaining wall, the main reinforcement is provided on the i) bottom face in front counterfort ii) inclined face in front counterfort iii) bottom face in back counterfort iv) inclined face in back counterEort The correct answer is (i) and (iv) (i) and (ii), (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii), (ii) and (iii) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete remains constant None of these increases with richer mixes decreases with richer mixes remains constant None of these increases with richer mixes decreases with richer mixes ANSWER DOWNLOAD EXAMIANS APP
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