Engineering Mechanics The maximum mechanical advantage of a lifting machine is 1 / m m 1 - m 1 + m 1 / m m 1 - m 1 + m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The energy possessed by a body, for doing work by virtue of its position, is called Potential energy Electrical energy Chemical energy Kinetic energy Potential energy Electrical energy Chemical energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics For a self locking machine, the efficiency must be Less than 50% Greater than 50% 1 Equal to 50% Less than 50% Greater than 50% 1 Equal to 50% ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Non-coplanar non-concurrent forces are those forces which Do not meet at one point but their lines of action lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane None of these Meet at one point, but their lines of action do not lie on the same plane Do not meet at one point but their lines of action lie on the same plane Do not meet at one point and their lines of action do not lie on the same plane None of these Meet at one point, but their lines of action do not lie on the same plane ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Varingon's theorem of moments states that if a number of coplanar forces acting on a particle are in equilibrium, then The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero The algebraic sum of their moments about any point is equal to the moment of their resultant force about the same point Their lines of action are at equal distances Their algebraic sum is zero The algebraic sum of their moments about any point in their plane is zero ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is 2πN/180 πN/60 2πN/60 πN/180 2πN/180 πN/60 2πN/60 πN/180 ANSWER DOWNLOAD EXAMIANS APP
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