Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be more than 50% equal to 100% less than 50% more than 66.67% more than 50% equal to 100% less than 50% more than 66.67% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A rod AB carries three loads of 30 N, 70 N and 100 N at distances of 20 mm, 90 mm and 150 mm respectively from A. Neglecting the weight of the rod, the point at which the rod will balance is 119.5 mm from A 132.5 mm from A 125.5 mm from A 109.5 mm from A 119.5 mm from A 132.5 mm from A 125.5 mm from A 109.5 mm from A ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A block in the shape of a parallelepiped of sides 1m × 2m × 3m lies on the surface. Which of the faces gives maximum stable block? 2 m × 3 m Equally stable on all faces 1 m × 2 m 1 m × 3 m 2 m × 3 m Equally stable on all faces 1 m × 2 m 1 m × 3 m ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The velocity ratio of an inclined plane of inclination ‘θ’ with horizontal for lifting a load is sin θ cosec θ cos θ tan θ sin θ cosec θ cos θ tan θ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics ‘μ’ is coefficient of friction. A wheeled vehicle travelling on a circular level track will slip and overturn simultaneously if the ratio of its wheel distance to the height of its centroid, is ½μ 3μ μ 2μ ½μ 3μ μ 2μ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Impulse can be obtained from a Force-displacement diagram Velocity-displacement diagram Force-time diagram Velocity-time diagram Force-displacement diagram Velocity-displacement diagram Force-time diagram Velocity-time diagram ANSWER DOWNLOAD EXAMIANS APP