Applied Mechanics and Graphic Statics In a lifting machine a weight of 5 kN is lifted through 200 mm by an effort of 0.1 kN moving through 15 m. The mechanical advantage and velocity ratio of the machine are respectively 75 and 50 50 and 50 75 and 75 50 and 75 75 and 50 50 and 50 75 and 75 50 and 75 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A rigid body is in a stable equilibrium if the application of any force Neither raises nor lowers the CG of the body Can raise the CG of the body but cannot lower it None of above Tends to lower the CG of the body Neither raises nor lowers the CG of the body Can raise the CG of the body but cannot lower it None of above Tends to lower the CG of the body ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The member which does not carry zero force in the structure shown in below figure, is ED DC BD BC ED DC BD BC ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A system of coplanar forces is in equilibrium when Funicular polygon closes Force polygon closes All the forces are concurrent Both force polygon" and funicular polygon close Funicular polygon closes Force polygon closes All the forces are concurrent Both force polygon" and funicular polygon close ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For a non-concurrent force system to be in equilibrium Both force polygon and funicular polygon must close None of these Only the closure of force polygon is sufficient Only the closure of funicular polygon is sufficient Both force polygon and funicular polygon must close None of these Only the closure of force polygon is sufficient Only the closure of funicular polygon is sufficient ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics For lifting a load of 50 kg through a distance of 2.5 cm, an effort of 12.5 kg is moved through a distance of 40 cm. The efficiency of the lifting machine, is 0.6 0.7 0.75 0.65 0.6 0.7 0.75 0.65 ANSWER DOWNLOAD EXAMIANS APP