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 80 50 60 30 80 50 60 30 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 2/√3 l l/√2 ½ l ¾ l 2/√3 l l/√2 ½ l ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ladder of weight 'w' rests against a smooth vertical wall, and rests on rough horizontal ground, the coefficient of friction between the ladder and the ground being 1/4. The maximum angle of inclination of the ladder to the vertical, if a man of weight 'w' is to walk to the top of it safely, is tan'1 x, where x is 43834 43833 4 3 43834 43833 4 3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Impulse can be obtained from a Force-displacement diagram Force-time diagram Velocity-displacement diagram Velocity-time diagram Force-displacement diagram Force-time diagram Velocity-displacement diagram Velocity-time diagram ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The motion of a particle moving with S.H.M. from an extremity to the other, constitutes One full oscillation Two oscillations Half an oscillation None of these One full oscillation Two oscillations Half an oscillation None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The total kinetic energy of a hoop of mass 2 kg and radius 4 m sliding with linear velocity 8 m/sec and angular velocity 5 radian/sec is 64 J 400 J 464 J 89 J 64 J 400 J 464 J 89 J ANSWER DOWNLOAD EXAMIANS APP