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 0.55 0.4 0.5 0.3 0.55 0.4 0.5 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For maximum range of a projectile, the angle of projection should be 30° None of these 60° 45° 30° None of these 60° 45° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Ball ‘A’ of mass 250 g moving on a smooth horizontal table with a velocity of 10 m/s hits an identical stationary ball ‘B’ on the table. If the impact is perfectly elastic, the velocity of the ball ‘B’ just after impact would be 5 m/sec None of these 10 m/sec Zero 5 m/sec None of these 10 m/sec Zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics At a given instant ship ‘A’ is travelling at 6 km/h due east and ship ‘B’ is travelling at 8 km/h due north. The velocity of ‘B’ relative to ‘A’ is 7 km/hrs 1 km/hrs 2 km/hrs 10 km/hrs 7 km/hrs 1 km/hrs 2 km/hrs 10 km/hrs ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Periodic time of body moving with simple harmonic motion, is Directly proportional to the square of its angular velocity Inversely proportional to the square of its angular velocity Inversely proportional to its angular velocity Directly proportional to its angular velocity Directly proportional to the square of its angular velocity Inversely proportional to the square of its angular velocity Inversely proportional to its angular velocity Directly proportional to its angular velocity ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A particle is dropped from the top of a tower 60 m high and another is projected upwards from the foot of the tower to meet the first particle at a height of 15.9 m. The velocity of projection of the second particle is 20 m/sec 22 m/sec 18 m/sec 16 m/sec 20 m/sec 22 m/sec 18 m/sec 16 m/sec ANSWER DOWNLOAD EXAMIANS APP