Applied Mechanics and Graphic Statics The condilion for a lifting machine to be reversible is that its efficiency should be less than 50% more than 50% more than 66.67% equal to 100% less than 50% more than 50% more than 66.67% equal to 100% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A system of coplanar forces is in equilibrium when Both force polygon" and funicular polygon close Force polygon closes Funicular polygon closes All the forces are concurrent Both force polygon" and funicular polygon close Force polygon closes Funicular polygon closes All the forces are concurrent ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two bodies of masses M1 and M2(M1 > M2) are connected by alight inextensible string passing over a smooth pulley, the tension in the string, will be given by T = g(M1 - M2)/(M1 + M2) T = g(M2 + M1)/(M2 - M1) T = g(M1 + M2)/(M1 × M2) T = g(M2 - M1)/(M1 + M2) T = g(M1 - M2)/(M1 + M2) T = g(M2 + M1)/(M2 - M1) T = g(M1 + M2)/(M1 × M2) T = g(M2 - M1)/(M1 + M2) ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the given forces P₁, P₂, P₃ and P₄ are such that the force polygon does not close, then the system will Always reduce to a resultant force Always reduce to a couple Both (A) and (C) Be in equilibrium Always reduce to a resultant force Always reduce to a couple Both (A) and (C) Be in equilibrium 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 2μ 3μ ½μ μ 2μ 3μ ½μ μ ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If the linear velocity of a point on the rim of a wheel of 10 m diameter, is 50 m/sec, its angular velocity will be 5 rad/sec 10 rad/sec 20 rad/sec 20 rad/sec 5 rad/sec 10 rad/sec 20 rad/sec 20 rad/sec ANSWER DOWNLOAD EXAMIANS APP
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