Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be equal to 100% more than 50% more than 66.67% less than 50% equal to 100% more than 50% more than 66.67% less than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cable loaded with 0.5 tonne per horizontal metre span is stretched between supports in the same horizontal line 400 m apart. If central dip is 20 m, the minimum tension in the cable, will be 200 tonnes at the centre 500 tonnes at the centre 200 tonnes at the right support 200 tonnes at the left support 200 tonnes at the centre 500 tonnes at the centre 200 tonnes at the right support 200 tonnes at the left support ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The apparent weight of a man in a moving lift is less than his real weight when it is going down with Retardation An acceleration Uniform speed Linear momentum Retardation An acceleration Uniform speed Linear momentum ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec. The work required to stop the hoop is 6 J 2 J 8 J 4 J 6 J 2 J 8 J 4 J ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Instantaneous center is at infinity when the angular velocity is Minimum Constant Maximum Zero Minimum Constant Maximum Zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The force polygon representing a set of forces in equilibrium is a Closed polygon Open polygon Triangle Parallelogram Closed polygon Open polygon Triangle Parallelogram ANSWER DOWNLOAD EXAMIANS APP
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