Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 20% 15% 5% 10 % 20% 15% 5% 10 % ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively both compressive both tensile compressive and tensile tensile and compressive both compressive both tensile compressive and tensile tensile and compressive ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Ultimate strength of cold drawn high steel wires 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 decreases with increase in diameter of bar increases with increase in diameter of bar does not depend on diameter of bar ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete isi) to increase shrinkageii) to decrease shrinkageiii) to increase setting timeiv) to decrease setting timeThe correct answer is (ii) and (iii) (i) and (iii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i)and(iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be 0.35 d 0.45 d 0.40 d dependent on grade of concrete also 0.35 d 0.45 d 0.40 d dependent on grade of concrete also 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 35 MPa 42 MPa and 53 MPa 53 MPa and 42 MPa 35 MPa and 42 MPa 42 MPa and 35 MPa 42 MPa and 53 MPa 53 MPa and 42 MPa 35 MPa and 42 MPa ANSWER DOWNLOAD EXAMIANS APP
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