Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 66.67% equal to 100% less than 50% more than 50% more than 66.67% equal to 100% less than 50% more than 50% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A cube on a smooth horizontal surface Cannot be in unstable equilibrium Can be in any of these states Cannot be in stable equilibrium Cannot be in neutral equilibrium Cannot be in unstable equilibrium Can be in any of these states Cannot be in stable equilibrium Cannot be in neutral equilibrium ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The angular speed of a car while taking a circular turn of radius 100 m at 36 km/hour, is 100 radian/sec 0.1 radian/sec 1 radian/sec 1000 radian/sec 100 radian/sec 0.1 radian/sec 1 radian/sec 1000 radian/sec ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is 8 8TC 6 7i 4 8 8TC 6 7i 4 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 2/√3 l ½ l ¾ l l/√2 2/√3 l ½ l ¾ l l/√2 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a simple pendulum, the period of one oscillation is 2π √(l/g) 2π √(2g/l) 2π √(g/2l) 2π √(l/2g) 2π √(l/g) 2π √(2g/l) 2π √(g/2l) 2π √(l/2g) ANSWER DOWNLOAD EXAMIANS APP