Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stress The correct answer is only (iii) (ii) and (iii) All (i), (ii) and (iii) (i) and (ii) only (iii) (ii) and (iii) All (i), (ii) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The strength of concrete after one year as compared to 28 days strength is about 20 to 25% more 25 to 50% more 10 to 15% more 15 to 20% more 20 to 25% more 25 to 50% more 10 to 15% more 15 to 20% more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Ratio of permissible stress in direct compression and bending compression is between 1.5 and 2.0 between 1 and 1.5 greater than 2 less than 1 between 1.5 and 2.0 between 1 and 1.5 greater than 2 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Ultimate strength of cold drawn high steel wires increases with increase in diameter of bar decreases with increase in diameter of bar None of these does not depend on diameter of bar increases with increase in diameter of bar decreases with increase in diameter of bar None of these does not depend on diameter of bar ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures High carbon content in the steel causes increase in tensile strength but decrease in ductility increase in both tensile strength and ductility decrease in both tensile strength and ductility decrease in tensile strength but increase in ductility increase in tensile strength but decrease in ductility increase in both tensile strength and ductility decrease in both tensile strength and ductility decrease in tensile strength but increase in ductility 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 42 MPa and 53 MPa 42 MPa and 35 MPa 53 MPa and 42 MPa 35 MPa and 42 MPa 42 MPa and 53 MPa 42 MPa and 35 MPa 53 MPa and 42 MPa 35 MPa and 42 MPa ANSWER DOWNLOAD EXAMIANS APP