A. Twice the diameter
B. Thrice the diameter
C. Four times the diameter
D. Five times the diameter
Related Mcqs:
- 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 - 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 length of the straight portion of a bar beyond the end of the hook, should be at least_______________?
A. Twice the diameter
B. Thrice the diameter
C. Four times the diameter
D. Seven times the diameter - If diameter of a reinforcement bar is d, the anchorage value of the hook is_______________?
A. 4d
B. 8d
C. 12d
D. 16d - The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of___________________?
A. 10 mm
B. 15 mm
C. 20 mm
D. 25 mm - An R.C.C. column is treated as short column if its slenderness ratio is less than_______________?
A. 30
B. 35
C. 40
D. 50 - 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 - Cantilever retaining walls can safely be used for a height not more than_______________?
A. 3 m
B. 4 m
C. 5 m
D. 6 m - Dimensions of a beam need be changed if the shear stress is more than_______________?
A. 10 kg/cm2
B. 15 kg/cm2
C. 20 kg/cm2
D. 25 kg/cm2 - If the average bending stress is 6 kg/cm2 for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, is__________________?
A. 28 d
B. 38 d
C. 48 d
D. 58 d
