A. (5/6) (r/1 + r²) M
B. (5/6) (r²/1 + r²) M
C. (5/6) (r²/1 + r3) M
D. (5/6) (r²/1 + r4) M
Related Mcqs:
- Long and short spans of a two way slab are l and l and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. Accordingy to xRankine Grashoff theory___________________?
A. (wx/wy) = (ly/lx)
B. (wx/wy) = (ly/lx)²
C. (wx/wy) = (ly/lx)4
D. None of these - The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept______________?
A. 0.7
B. 0.8
C. 0.9
D. 0.6 - Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by_________________?
A. Rankine formula
B. Marcus formula
C. Rankine Grashoff formula
D. Grashoff formula - If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is_______________?
A. K/x (1 + x/d) + bw
B. Kx (1 – x/l) + bw
C. Kx (1 + x/l) + bw
D. All the above - According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is______________?
A. Half of the width of the slab
B. Two -third of the width of the slab
C. Three-fourth of the width of the slab
D. Four-fifth of the width of the slab - In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed downwards at the end of the heel slab, which is known as___________________?
A. A key
B. A cut-off wall
C. A rib
D. All the above - on a circular slab of radius , the maximum radial moment at the centre of the If is the load slab, is WR²/16_____________?
A. 2WR²/16
B. 3WR²/16
C. 5WR²/16
D> NON OF THESE - If W is the load on a circular slab of radius R, the maximum circumferential moment at the centre of the slab, is________________?
A. WR²/16
B. 2WR²/16
C. 3WR²/16
D. Zero - An R.C.C. roof slab is designed as a two way slab if________________?
A. It supports live loads in both directions
B. The ratio of spans in two directions is less than 2
C. The slab is continuous over two supports
D. The slab is discontinuous at edges - bending moment of a simply supported slab is M Kg.cm, the effective depth of the If the maximum slab is (where Q is M.R. factor)________________?
A. M/100Q
B. M/ Q
C. M/Q)
D. (M/100Q)
