Applied Mechanics and Graphic Statics Free body diagram is an Isolated joint with internal forces acting on it Isolated joint with only body forces acting on it None of these Isolated joint with all the forces, internal as well as external, acting on it Isolated joint with internal forces acting on it Isolated joint with only body forces acting on it None of these Isolated joint with all the forces, internal as well as external, acting on it 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 0.2 R 0.3 R 0.6 R 0.4 R 0.2 R 0.3 R 0.6 R 0.4 R ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The C.G. of a thin hollow cone of height ‘h’, above its base lies on the axis, at a height of 2h/3 h/4 3h/4 h/3 2h/3 h/4 3h/4 h/3 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 50% more than 66.67% less than 50% equal to 100% more than 50% more than 66.67% less than 50% equal to 100% 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 n/2 rpm n/4 rpm 2n rpm n rpm n/2 rpm n/4 rpm 2n rpm n rpm ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics One end of an elastic string of natural length / and modulus X is kept fixed while to the other end is attached a particle of mass m which is hanging freely under gravity. The particle is pulled down vertically through a distance x, held at rest and then released. The motion is a damped oscillatory motion a simple harmonic motion None of these a rectilinear motion with constant speed a damped oscillatory motion a simple harmonic motion None of these a rectilinear motion with constant speed ANSWER DOWNLOAD EXAMIANS APP
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