A. wl²/4
B. wl²/8
C. wl²/10
D. wl²/12
Related Mcqs:
- 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 W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than________________?
A. WL/12 (L – 2D/3)²
B. WL/10 (L + 2D/3)²
C. WL/10 (L – 2D/3)²
D. WL/12 (L – D/3)² - 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 - For stairs spanning horizontally, the minimum waist provided is________________?
A. 4 cm
B. 6 cm
C. 8 cm
D. 12 cm - To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is________________?
A. 0.107 L
B. 0.207 L
C. 0.307 L
D. 0.407 L - is the pre-stressed force applied to the tendon of a rectangular pre-stressed beam whose area of cross section is and sectional modulus is . The maximum stress in the beam, subjected to a maximum bending moment , is_________________?
A. f = (P/A) + (Z/M)
B. f = (A/P) + (M/Z)
C. f = (P/A) + (M/Z)
D. f = (P/A) + (M/6Z) - 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 - 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 - is the pre- stressed force applied to tendon of a rectangular pre-stressed beam whose area of cross section is and sectional modulus is . The minimum stress on the beam subjected to a maximum bending moment is________________?
A. f = (P/A) – (Z/M)
B. f = (A/P) – (M/Z)
C. f = (P/A) – (M/Z)
D. f = (P/A) – (M/6Z) - In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at
A. Less loaded column
B. More loaded column
C. A point of the maximum shear force
D. A point of zero shear force