Each arm of a porter governor is 150 mm long and is hinged at a distance...
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Each arm of a porter governor is 150 mm long and is hinged at a distance of 40 mm from axis of rotation. The mass of each ball is 1.5 kg and of the sleeve 15 kg. When the links are at 30° to vertical, the sleeve begins to rise at 250 rpm. The maximum speed of rotation when the inclination of arms to vertical is 45° (assume friction is constant) (a) 301 rpm (c) 292 rpm (b) 282 rpm (d) 324.5 rpm Each arm of a porter governor is 150 mm long and is hinged at a distance of 40 mm from axis of rotation. The mass of each ball is 1.5 kg and of the sleeve 15 kg. When the links are at 30° to vertical, the sleeve begins to rise at 250 rpm. The maximum speed of rotation when the inclination of arms to vertical is 45° (assume friction is constant) (a) 301 rpm (c) 292 rpm (b) 282 rpm (d) 324.5 rpm
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