Applied Mechanics and Graphic Statics A load of 500 kg was lifted through a distance of 13 cm. by an effort of 25 kg which moved through a distance of 650 cm. The efficiency of the lifting machine is 0.3 0.4 0.5 0.55 0.3 0.4 0.5 0.55 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A quantity measured in the C.G.S system of units has dimensions M”2L3 T3/2. What numerical factor would be required to convert the quantity to SI units ? 1/100 1 100 1/10000 1/100 1 100 1/10000 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The following factor affects the orbit of a satellite up to an altitude of 720 km from the earth's surface None of these Uneven distribution of the gravitational field Aerodynamic forces Gravity of the sun and the moon None of these Uneven distribution of the gravitational field Aerodynamic forces Gravity of the sun and the moon ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For maximum range of a projectile, the angle of projection should be 45° 60° None of these 30° 45° 60° None of these 30° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/sec hits an identical stationary ball ‘B’ on the table. If the impact is perfectly plastic, the velocity of the ball ‘B’ just after impact would be Zero None of these 10 m/sec 5 m/sec Zero None of these 10 m/sec 5 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A marble ball is rolled on a smooth floor of a room to hit a wall. If the time taken by the ball in returning to the point of projection is twice the time taken in reaching the wall, the coefficient of restitution between the ball and the wall, is 1.0 0.75 0.25 0.50 1.0 0.75 0.25 0.50 ANSWER DOWNLOAD EXAMIANS APP