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 stone is thrown vertically upwards with a vertical velocity of 49 m/sec. It returns to the ground in 20 sec 5 sec 10 sec 8 sec 20 sec 5 sec 10 sec 8 sec ANSWER DOWNLOAD EXAMIANS APP
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 0.5 0.4 0.55 0.3 0.5 0.4 0.55 0.3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a particle is projected inside a horizontal tunnel which is 554 cm high with a velocity of 60 m per sec, the angle of projection for maximum range, is 8° 9° 11° 10° 8° 9° 11° 10° ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be 20 m/sec 30 m/sec 50 m/sec 40 m/sec 20 m/sec 30 m/sec 50 m/sec 40 m/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The unit of force in C.G.S. system of units, is called Newton Kg Dyne All of these Newton Kg Dyne All of these ANSWER DOWNLOAD EXAMIANS APP