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 60 50 30 80 60 50 30 80 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A circular disc rotates at n rpm. The angular velocity of a circular ring of same mass and radius as the disc and to have the same angular momentum is 2n rpm n rpm n/4 rpm n/2 rpm 2n rpm n rpm n/4 rpm n/2 rpm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The pole distance is measured in distance scale mass scale time scale force scale distance scale mass scale time scale force scale ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The centre of gravity of a quadrant of a circle lies along its central radius at a distance of 0.3 R 0.2 R 0.6 R 0.4 R 0.3 R 0.2 R 0.6 R 0.4 R ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics To double the period of oscillation of a simple pendulum The mass of its bob should be doubled The mass of its bob should be quadrupled Its length should be quadrupled Its length should be doubled The mass of its bob should be doubled The mass of its bob should be quadrupled Its length should be quadrupled Its length should be doubled ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The height at which the end of a rope of length ‘l’ should be tied so that a man pulling at the other end may have the greatest tendency to overturn the pillar, is ¾ l ½ l l/√2 2/√3 l ¾ l ½ l l/√2 2/√3 l ANSWER DOWNLOAD EXAMIANS APP