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Applied Mechanics and Graphic Statics

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

(1 + sin θ)/(1 - sin θ)
(1 - sin θ)/(1 + sin θ)
(1 - sin θ)/sin θ
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 tension in the string is

25 kg
17.5 kg
19.5 kg
22.5 kg

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Applied Mechanics and Graphic Statics
The unit of moments in M.K.S system, is

kg/sec2
kg/sec
kg.m
kg/m2

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Applied Mechanics and Graphic Statics
If a particle is projected inside a horizontal tunnel which is 554 cm high with a velocity of 60 m per sec, the angle of projection for maximum range, is

11°
9°
8°
10°

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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
102.5 kg
110 kg
108.5 kg

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Applied Mechanics and Graphic Statics
The time period of a simple pendulum depends on (i) Mass of suspended particle (ii) Length of the pendulum (iii) Acceleration due to gravity

All are correct
Both (ii) and (iii)
Both (i) and (iii)
Only (i)

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