A. Minimum cross sectional area of longitudinal reinforcement in a column is 0.8%
B. Spacing of longitudinal bars measured along the periphery of column should not exceed 300 mm
C. Reinforcing bars in a column should not be less than 12 mm in diameter
D. The number of longitudinal bars provided in a circular column should not be less than four
Design of Concrete Structures
According to IS: 456-1978, the maximum reinforcement in a column is_____________?
According to IS: 456-1978, the maximum reinforcement in a column is_____________?
A. 2 %
B. 4%
C. 6 %
D. 8 %
According to IS : 456-1978, the fiexural strength of concrete is________________?
According to IS : 456-1978, the fiexural strength of concrete is________________?
A. directly proportional to compressive strength
B. inversely proportional to compressive strength
C. directly proportional to square root of compressive strength
D. inversely proportional to square root of compressive strength
Lap length in compression shall not be less than______________?
Lap length in compression shall not be less than______________?
A. 15 4>
B. 20
C. 24 (j)
D. 30 (j)
where (j) is diameter of bar
For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than_______________?
For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than_______________?
A. 15 mm
B. 25 mm
C. 30 mm
D. 40 mm
The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than________________?
The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than________________?
A. 0.15
B. 0.12
C. 0.30
D. 1.00
The ratio of the diameter of reinforcing bars and the slab thickness is_______________?
The ratio of the diameter of reinforcing bars and the slab thickness is_______________?
A. 1/4
B. 1/5
C. 1/6
D. 1/8
The minimum cover in a slab should neither be less than the diameter of bar nor less than_______________?
The minimum cover in a slab should neither be less than the diameter of bar nor less than_______________?
A. 10 mm
B. 15 mm
C. 25 mm
D. 13 mm
According to IS : 456- 1978, minimum slenderness ratio for a short column is_______________?
According to IS : 456- 1978, minimum slenderness ratio for a short column is_______________?
A. less than 12
B. less than 18
C. between 18 and 24
D. more than 24
For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be________________?
For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be________________?
A. 600 mm
B. 750 mm
C. 900 mm
D. more than 1 m