A. 10 mm
B. 15 mm
C. 20 mm
D. 25 mm
Related Mcqs:
- The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or____________________?
A. 12 bar diameters
B. 18 bar diameters
C. 24 bar diameters
D. 30 bar diameters - The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than_______________?
A. 18 bar diameters
B. 24 bar diameters
C. 30 bar diameters
D. 36 bar diameters - The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel rods but not less than________________?
A. 4 mm
B. 5 mm
C. 6 mm
D. 7 mm - If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than____________________?
A. 4 mm
B. 5 mm
C. 6 mm
D. 8 mm - The minimum clear cover for R.C.C. columns shall be_________________?
A. Greater of 40 mm or diameter
B. Smaller of 40 mm or diameter
C. Greater of 25 mm or diameter
D. Smaller of 25 mm or diameter - By over-reinforcing a beam, the moment of resistance can be increased not more than________________?
A. 10 %
B. 15 %
C. 20 %
D. 25 % - If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is_____________?
A. 10 mm
B. 12 mm
C. 14 mm
D. 16 mm - If diameter of a reinforcement bar is d, the anchorage value of the hook is_______________?
A. 4d
B. 8d
C. 12d
D. 16d - The anchorage value of a hook is assumed sixteen times the diameter of the bar if the angle of the bend, is___________________?
A. 30°
B. 40°
C. 45°
D. All the above - If Sb, is the average bond stress on a bar of diameter subjected to maximum stress , the length of the embedment is given by_____________?
A. l = dt/Sb
B. l = dt/2Sb
C. l = dt/3Sb
D. l = dt/4Sb
