Applied Mechanics and Graphic Statics In a lifting machine with efficiency 60%, an effort of 200 N is required to raise a load of 6 kN. The velocity ratio of the machine is 30 50 60 80 30 50 60 80 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If g1 and g2 are the gravitational accelerations on two mountains A and B respectively, the weight of a body when transported from A to B will be multiplied by g2 g2/g1 g1/g2 g1 g2 g2/g1 g1/g2 g1 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The mechanical advantage of an ideal machine is 100. For moving the local through 2 m, the effort moves through 2.5 m 2 m 0.02 m 20 m 2.5 m 2 m 0.02 m 20 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A glass ball is shot to hit a wall from a point on a smooth floor. If the ball returns back to the point of projection in twice the time taken in reaching the wall, the coefficient of restitution between the glass ball and the wall is 0.25 0.4 0.5 0.33 0.25 0.4 0.5 0.33 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics ‘μ’ is coefficient of friction. A wheeled vehicle travelling on a circular level track will slip and overturn simultaneously if the ratio of its wheel distance to the height of its centroid, is 2μ ½μ μ 3μ 2μ ½μ μ 3μ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics When a body moves round a fixed axis, it has A rotary motion A rotary motion and translatory motion A circular motion A translatory A rotary motion A rotary motion and translatory motion A circular motion A translatory ANSWER DOWNLOAD EXAMIANS APP
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