Engineering Mechanics The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is D/(D + d) D/(D - d) 2D/(D + d) 2D/(D - d) D/(D + d) D/(D - d) 2D/(D + d) 2D/(D - d) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A ladder is resting on a rough ground and leaning against a smooth vertical wall. The force of friction will act Perpendicular to the wall at its upper end Upward at its upper end Downward at its upper end Zero at its upper end Perpendicular to the wall at its upper end Upward at its upper end Downward at its upper end Zero at its upper end ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is πN/60 2πN/180 πN/180 2πN/60 πN/60 2πN/180 πN/180 2πN/60 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the gravitational acceleration at any place is doubled, then the weight of a body will be g √2.g 2g g/2 g √2.g 2g g/2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Two balls of equal mass and of perfectly elastic material are lying on the floor. One of the balls with velocity ‘v’ is made to strike the second ball. Both the balls after impact will move with a velocity v/2 v/8 v v/4 v/2 v/8 v v/4 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a thin spherical shell of mass m and radius r, about its diameter is 2mr²/3 2mr²/5 3mr²/5 mr²/3 2mr²/3 2mr²/5 3mr²/5 mr²/3 ANSWER DOWNLOAD EXAMIANS APP
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