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Applied Mechanics and Graphic Statics

Applied Mechanics and Graphic Statics
The centre of gravity of a quadrant of a circle lies along its central radius at a distance of

0.6 R
0.3 R
0.4 R
0.2 R

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Applied Mechanics and Graphic Statics
The moment of inertia of a circular lamina of diameter ‘d’, about an axis perpendicular to the plane of the lamina and passing through its centre, is

πd⁴/32
π/64 (D⁴ + d⁴)
πd⁴/24
πd⁴/16

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Applied Mechanics and Graphic Statics
Maximum efficiency of a screw jack for the angle of friction θ, is

(1 + sin θ)/(1 - sin θ)
sin θ/(1 + sin θ)
(1 - sin θ)/sin θ
(1 - sin θ)/(1 + sin θ)

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Applied Mechanics and Graphic Statics
One end of a light string 4 m in length is fixed to a point on a smooth wall and the other end fastened to a point on the surface of a smooth sphere of diameter 2.25 m and of weight 100 kg. The reaction between the sphere and the wall of the arrangement made is

105.5 kg
108.5 kg
110 kg
102.5 kg

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Applied Mechanics and Graphic Statics
The angular speed of a car taking a circular turn of radius 100 m at 36 km/hr will be

10 rad/sec
1 rad/sec
0.1 rad/sec
100 rad/sec

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Applied Mechanics and Graphic Statics
The vertical reaction at the support ‘A’ of the structure shown in below figure, is Applied Mechanics and Graphic Statics mcq question image

4 t
2 t
5 t
3 t

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