A. L/d
B. L/2d
C. (L/2d)²
D. (L/3d)²
Related Mcqs:
- A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be________________?
A. 2/3
B. 3/2
C. 5/8
D. 8/5 - The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is_______________?
A. 1/2
B. 2/3
C. 1/4
D. 1/3 - The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is___________________?
A. 1/8
B. 1/4
C. 1/2
D. 1/3 - A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the bar, is___________________?
A. 411 N mm
B. 511 N mm=
C. 611 N mm
D. 711 N mm - a uniform circular bar of diameter d and length , which extends by an The deflection of amount under a tensile pull , when it carries the same load at its mid-span, is___________________?
A. el/2d
B. e²l/3d²
C. el²/3d²
D. e²l²/3d² - The maximum deflection of a simply supported beam of span L, carrying an isolated load at the centre of the span; flexural rigidity being EI, is______________?
A. WL3/3EL
B. WL3/8EL
C. WL3/24EL
D. WL3/48EL - A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be________________?
A. 10 m
B. 12 m
C. 14 m
D. 16 m - A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the value of E = 0.2 × 106 N/mm2, the depth of the joist, is________________?
A. 200 mm
B. 250 mm
C. 300 mm
D. 400 mm - A simply supported beam which carries a uniformly distributed load has two equal overhangs. To have maximum B.M. produced in the beam least possible, the ratio of the length of the overhang to the total length of the beam, is_________________?
A. 0.207
B. 0.307
C. 0.407
D. 0.508 - The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is________________?
A. 1/8
B. 1/10
C. 1/12
D. 1/16
