The minimum diameter of longitudinal bars in a column is 12 mm 6 mm 8 mm 16 mm TRUE ANSWER : ? YOUR ANSWER : ?
Sinking of an intermediate support of a continuous beam i) reduces the negative moment at support ii) increases the negative moment at support iii) reduces the positive moment at center of span iv) increases the positive moment at center of span The correct answer is (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) TRUE ANSWER : ? YOUR ANSWER : ?
According to IS: 456-1978, the column or the strut is the member whose effective length is greater than 2 times the least lateral dimension 3 times the least lateral dimension 4 times the least lateral dimension The least lateral dimension TRUE ANSWER : ? YOUR ANSWER : ?
The diameter of ties in a column should be More than 5 mm and also more than one-fourth of diameter of main bar More than or equal to 5 mm More than 5 mm but less than one-fourth of diameter of main bar More than or equal to one fourth of diameter of main bar TRUE ANSWER : ? YOUR ANSWER : ?
Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to Deflect downward or upward Deflect downward None of these Deflect upward TRUE ANSWER : ? YOUR ANSWER : ?
Normally prestressing wires are arranged in the upper part of the beam center lower part of the beam anywhere TRUE ANSWER : ? YOUR ANSWER : ?
Poisson’s ratio for concrete None of these increases with richer mixes remains constant decreases with richer mixes TRUE ANSWER : ? YOUR ANSWER : ?
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 53 MPa and 42 MPa 35 MPa and 42 MPa 42 MPa and 53 MPa TRUE ANSWER : ? YOUR ANSWER : ?
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 dependent on grade of concrete also 0.40 d TRUE ANSWER : ? YOUR ANSWER : ?
Maximum distance between expansion joints in structures as per IS : 456 – 1978 is 45 m 30 m 60 m 20 m TRUE ANSWER : ? YOUR ANSWER : ?