Engineering Mechanics The algebraic sum of moments of the forces forming couple about any point in their plane is Both of above are correct Equal to the moment of the couple Constant Both of above are wrong Both of above are correct Equal to the moment of the couple Constant Both of above are wrong ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If a body is acted upon by a number of coplanar non-concurrent forces, it may Be completely at rest All of these Rotate about itself without moving Move in any one direction rotating about itself Be completely at rest All of these Rotate about itself without moving Move in any one direction rotating about itself ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The maximum efficiency of a lifting machine is m/V.R. V.R./m 1/(m × V.R.) 1/m m/V.R. V.R./m 1/(m × V.R.) 1/m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angle between two forces when the resultant is maximum and minimum respectively are 180° and 0° 0° and 180° 90° and 180° 90° and 0° 180° and 0° 0° and 180° 90° and 180° 90° and 0° ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The resultant of two forces P and Q (such that P > Q) acting along the same straight line, but in opposite direction, is given by P / Q P + Q Q / P P - Q P / Q P + Q Q / P P - Q ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a sphere of mass 'm' and radius 'r', about an axis tangential to it, is 7mr²/3 7mr²/5 2mr²/3 2mr²/5 7mr²/3 7mr²/5 2mr²/3 2mr²/5 ANSWER DOWNLOAD EXAMIANS APP