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 0.4 0.3 0.5 0.55 0.4 0.3 0.5 0.55 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The resultant of the forces acting on a body will be zero if the body Moves along a curved path Moves with variable velocity in a straight line Does not move at all Rotates Moves along a curved path Moves with variable velocity in a straight line Does not move at all Rotates ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A Second's pendulum gains 2 minutes a day. To make it to keep correct time its length Must be decreased Must be increased Is not changed but weight of the bob is decreased Is not changed but weight of the bob is increased Must be decreased Must be increased Is not changed but weight of the bob is decreased Is not changed but weight of the bob is increased ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in 8 sec 20 sec 5 sec 10 sec 8 sec 20 sec 5 sec 10 sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on Two straight lines A straight line A triangle A point Two straight lines A straight line A triangle A point 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 None of these Zero 10 m/sec 5 m/sec None of these Zero 10 m/sec 5 m/sec ANSWER DOWNLOAD EXAMIANS APP
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