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 66.67% more than 50% equal to 100% less than 50% more than 66.67% more than 50% equal to 100% ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If a set of given forces are such that their free vectors build a closed polygon, then The resultant force and resultant couple are always zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple is not zero The resultant force is zero but resultant couple may not be zero The resultant force and resultant couple are always zero The resultant force and resultant couple both may not be zero The resultant force is zero but resultant couple is not zero The resultant force is zero but resultant couple may not be zero ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics If two forces acting at a point are in equilibrium, they must be equal in magnitude and their line of action must be along The perpendicular to both the lines None of these The same line in opposite sense The same line in the same sense The perpendicular to both the lines None of these The same line in opposite sense The same line in the same sense ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics Pick up the correct statement from the following. The kinetic energy of a body Remain constant Before impact is less than that after impact Before impact is more than that after impact Before impact is equal to that after impact Remain constant Before impact is less than that after impact Before impact is more than that after impact Before impact is equal to that after impact ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics A solid sphere of mass M and radius R rolls down a plane inclined at 0 with the horizontal. The acceleration of sphere is (where g is acceleration due to gravity) (5/7) g sin0 (3/7) g sin 0 (2/5) g sin 0 (1/3) g sin0 (5/7) g sin0 (3/7) g sin 0 (2/5) g sin 0 (1/3) g sin0 ANSWER DOWNLOAD EXAMIANS APP
Applied Mechanics and Graphic Statics The dimensions of Gravitational Universal constant āGā are M1L3T2 M-1L2r2 M-2L3T2 M-1L3r2 M1L3T2 M-1L2r2 M-2L3T2 M-1L3r2 ANSWER DOWNLOAD EXAMIANS APP
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