Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 50% less than 50% more than 66.67% equal to 100% more than 50% less than 50% more than 66.67% equal to 100% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The characteristic of a couple is: Algebraic sum of forces, constituting a couple is zero All listed here A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same Algebraic sum of forces, constituting a couple is zero All listed here A couple can be never the balanced by a single force Algebraic sum of moments of forces, constituting a couple, about any point, is same ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The maximum frictional force which comes into play, when a body just begins to slide over the surface of a another body, is known Limiting friction Rolling friction Sliding friction None of these Limiting friction Rolling friction Sliding friction None of these ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Power can be expressed as Work/time Work/energy Work/distance Work × time Work/time Work/energy Work/distance Work × time 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 Only the closure of funicular polygon is sufficient None of these Only the closure of force polygon is sufficient Both force polygon and funicular polygon must close Only the closure of funicular polygon is sufficient None of these Only the closure of force polygon is sufficient ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is 44052 43833 43864 43839 44052 43833 43864 43839 ANSWER DOWNLOAD EXAMIANS APP
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