Engineering Mechanics The efficiency of a lifting machine is the ratio of All of these Work done by the machine to the work done on the machine Output to the input Mechanical advantage to the velocity ratio All of these Work done by the machine to the work done on the machine Output to the input Mechanical advantage to the velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The point, through which the whole weight of the body acts, irrespective of its position, is known as Center of gravity Moment of inertia Center of mass Center of percussion Center of gravity Moment of inertia Center of mass Center of percussion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a rectangular section having width (b) and depth (d) about an axis passing through its C.G. and parallel to the width (b), is db³/12 bd³/12 bd³/36 db³/36 db³/12 bd³/12 bd³/36 db³/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics If the number of pulleys in a system is equal to its velocity ratio, then it is a __________ system of pulleys. Second None of these Third First Second None of these Third First ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a differential pulley block with D and d as the diameters of larger and smaller pulley, is 2D/(D + d) D/(D - d) 2D/(D - d) D/(D + d) 2D/(D + d) D/(D - d) 2D/(D - d) D/(D + d) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The energy possessed by a body, for doing work by virtue of its position, is called Electrical energy Kinetic energy Chemical energy Potential energy Electrical energy Kinetic energy Chemical energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
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