A. 15 4>
B. 20
C. 24 (j)
D. 30 (j)
where (j) is diameter of bar
Related Mcqs:
- In reinforced concrete footing on soil, the minimum thickness at edge should not be less than______________?
A. 100 mm
B. 150 mm
C. 200 mm
D. 250 mm - Ratio of permissible stress in direct compression and bending compression is______________?
A. less than 1
B. between 1 and 1.5
C. between 1.5 and 2.0
D. greater than 2 - 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 individual variation between test strength of sample should not be more than______________?
A. ±5% of average
B. ± 10% of average
C. ± 15% of average
D. ±20% of average - 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 - The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of__________________?
A. 0.367 xu
B. 0.416 xu
C. 0.446 xu
D. 0.573 xuwhere xu is the depth of neutral axis at the limit state of collapse
- The maximum value of hoop compression in a dome is given by___________________?
A. wR / 4d
B. wR/2d
C. wR/d
D. 2wR/dwhere, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome
- 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 - A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D. is less than__________________?
A. 1.5
B. 2.0
C. 2.5
D. 3.0 - Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than__________________?
A. 35 MPa and 42 MPa
B. 42 MPa and 35 MPa
C. 42 MPa and 53 MPa
D. 53 MPa and 42 MPa
