2241. In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength______________?
A. 100 kg/cm2
B. 200 kg/cm2
C. 300 kg/cm2
D. 400 kg/cm2
✅ The correct answer is option D.
Civil Engineering
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2242. If the size of a column is reduced above the floor, the main bars of the columns, are_____________?
A. Continued up
B. Bent inward at the floor level
C. Stopped just below the floor level and separate lap bars provided
D. All the above
✅ The correct answer is option D.
2243. For a ribbed slab______________?
A. Clear spacing between ribs shall not be greater than 4.5 cm
B. Width of the rib shall not be less than 7.5 cm
C. Overall depth of the slab shall not exceed four times the breadth of the rib
D. All the above
✅ The correct answer is option D.
2244. In a combined footing if shear stress exceeds 5 kg/cm2, the nominal stirrups provided are______________?
A. 6 legged
B. 8 legged
C. 10 legged
D. 12 legged
✅ The correct answer is option D.
2245. If diameter of a reinforcement bar is d, the anchorage value of the hook is_______________?
A. 4d
B. 8d
C. 12d
D. 16d
✅ The correct answer is option D.
2246. If the depth of actual neutral axis of a doubly reinforced beam______________?
A. Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier
B. Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier
C. Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously
D. All the above
✅ The correct answer is option D.
2247. An under-reinforced section means_________________?
A. Steel is provided at the underside only
B. Steel provided is insufficient
C. Steel provided on one face only
D. Steel will yield first
✅ The correct answer is option D.
2248. carrying a uniformly distributed load per metre length is suspended at the A pile of length centre and from other two points 0.15 L from either end ; the maximum hogging moment will be_______________?
A. WL²/15
B. WL²/30
C. WL²/60
D. WL²/90
✅ The correct answer is option D.
2249. 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
✅ The correct answer is option D.
2250. For stairs spanning l metres longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is_______________?
A. wl²/4
B. wl²/8
C. wl²/12
D. wl²/16
✅ The correct answer is option D.