Category: Design of Concrete Structures

A. Lean mixes bleed more as compared to rich ones
B. Bleeding can be minimized by adding pozzuolana finer aggregate
C. Bleeding can be increased by addition ‘of calcium chloride
D. none of the above

A. higher compressive strength of con-crete
B. lower compressive strength of concrete
C. higher tensile strength of steel
D. lower tensile strength of steel

A. compressive and tensile
B. tensile and compressive
C. both compressive
D. both tensile

A. plain hot rolled wires
B. cold drawn wires
C. heat treated rolled wires
D. all have same tensile strength

A. 1.5
B. 2.0
C. 2.5
D. 3.0

A. 35 MPa and 42 MPa
B. 42 MPa and 35 MPa
C. 42 MPa and 53 MPa
D. 53 MPa and 42 MPa

A. more than or equal to one fourth of diameter of main bar
B. more than or equal to 5 mm
C. more than 5 mm but less than one-fourth of diameter of main bar
D. more than 5 mm and also more than one-fourth of diameter of main bar

1. maximum bending moment
2. shear force
3. punching shear
The correct answer is?

A. only (1)
B. (1) and (2)
C. (1) and (3)
D. (1), (2) and (3)

A. 24 to 48 hours
B. 3 days
C. 7 days
D. 14 days

A. 1/4
B. 1/5
C. 1/6
D. 1/8