A. WL²/2EI
B. WL²/3EI
C. WL3/2EI
D. WL3/3EI
Related Mcqs:
- A cantilever of length is subjected to a bending moment at its free end. If EI is the flexural rigidity of the section, the deflection of the free end, is_________________?
A. ML/EI
B. ML/2EI
C. ML²/2EI
D. ML²/3EI - The maximum deflection due to a uniformly distributed load w/unit length over entire span of a cantilever of length l and of flexural rigidly EI, is_________________?
A. wl3/3EI
B. wl4/3EI
C. wl4/8EI
D. wl4/12EI - 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 cantilever of length 2 cm and depth 10 cm tapers in plan from a width 24 cm to zero at its free end. If the modulus of elasticity of the material is 0.2 × 106 N/mm2, the deflection of the free end, is________________?
A. 2 mm
B. 3 mm
C. 4 mm
D. 5 mm - 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 - A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is________________?
A. L/d
B. L/2d
C. (L/2d)²
D. (L/3d)² - constant, depth of a cantilever of length of uniform strength loaded with Keeping breadth uniformly distributed load varies from zero at the free end and________________?
A. 2w w l at the fixed end
B. l) at the fixed end
C. w l) at the fixed end
D. 3w l at the fixed end - d constant, the width of a cantilever of length l of uniform strength loaded with Keeping the depth a uniformly distributed load w varies from zero at the free end and________________?
A. (2w/ × l² at the fixed end
B. (3w/ × l² at the fixed end
C. (3w/ × l² at the fixed end
D. (5w/ × l² at the fixed end - The ratio of the deflections of the free end of a cantilever due to an isolated load at 1/3rd and 2/3rd of the span, is________________?
A. 1/7
B. 2/7
C. 3/7
D. 2/5 - 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
