The maximum permissible size of aggregates to be used in casting the ribs of a slab, is______________?
A. 5 mm
B. 7.5 mm
C. 10 mm
D. 15 mm
MCQs / Q&A
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___________________?
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
Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam_______________?
Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam_______________?
A. Are curtailed if not required to resist the bending moment
B. Are bent up at suitable places to serve as shear reinforcement
C. Are bent down at suitable places to serve as shear reinforcement
D. Are maintained at bottom to provide at least local bond stress
longitudinal bars and lateral stirrups, is__________________?
longitudinal bars and lateral stirrups, is__________________?
A. Stress in concrete × area of concrete
B. Stress in steel × area of steel
C. Stress in concrete × area of concrete + Stress in steel × area of steel
D. None of these
To ensure uniform pressure distribution, the thickness of the foundation, is__________________?
To ensure uniform pressure distribution, the thickness of the foundation, is__________________?
A. Kept uniform throughout
B. Increased gradually towards the edge
C. Decreased gradually towards the edge
D. Kept zero at the edge
If is the net upward pressure on a square footing of side for a square column of side , the maximum bending moment is given by_________________?
If is the net upward pressure on a square footing of side for a square column of side , the maximum bending moment is given by_________________?
A. B.M = pb (c – a)/4
B. B.M = pb (b – a)²/4
C. B.M = pb (b – a)²/8
D. B.M = pb (b + a)/8
A pre-stressed concrete member is preferred because___________________?
A pre-stressed concrete member is preferred because___________________?
A. Its dimensions are not decided from the diagonal tensile stress
B. Large size of long beams carrying large shear force need not be adopted
C. Removal of cracks in the members due to shrinkage
D. All the above
Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension_______________?
Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension_______________?
A. Two times
B. Three times
C. Four times
D. Five times
An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm2, the beam________________?
An R.C.C. beam of 6 m span is 30 cm wide and has a lever arm of 55 cm. If it carries a U.D.L. of 12 t per m and allowable shear stress is 5 kg/cm2, the beam________________?
A. Is safe in shear
B. Is safe with stirrups
C. Is safe with stirrups and inclined bars
D. Needs revision of section
The width of the flange of a L-beam, should be less than______________?
The width of the flange of a L-beam, should be less than______________?
A. One- sixth of the effective span
B. Breadth of the rib + four times thickness of the slab
C. Breadth of the rib + half clear distance between ribs
D. Least of the above