A. 4 cm
B. 6 cm
C. 8 cm
D. 12 cm
Related Mcqs:
- If longitudinally spanning stairs are casted along with their landings, the maximum bending moment per metre width, is taken as___________________?
A. wl²/4
B. wl²/8
C. wl²/10
D. wl²/12 - 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 - If R and T are rise and tread of a stair spanning horizontally, the steps are supported by a wall on one side and by a stringer beam on the other side, the steps are designed as beams of width_______________?
A. R + T
B. T – R
C. 2 + T2)
D. R – T - A very comfortable type of stairs is_______________?
A. Straight
B. Dog legged
C. Geometrical
D. Open newel - The horizontal portion of a step in a stairs case, is known as_________________?
A. Rise
B. Flight
C. Winder
D. Tread - The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is______________?
A. 35
B. 25
C. 30
D. 20 - An R.C.C. lintel is spanning an opening of 2 m span in a brick wall. The height of the roof is 2.9 m above the floor level and that of the opening is 2.1 m above the floor level. The lintel is to be designed for self weight plus_______________?
A. Triangular load of the wall
B. UDL of wall
C. UDL of wall + load from the roof
D. Triangular load + load from the roof - The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is_________________?
A. 25
B. 30
C. 35
D. 40 - If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by_________________?
A. 0.2
B. 0.3
C. 0.4
D. 0.5 - 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