Engineering Mechanics The maximum mechanical advantage of a lifting machine is 1 / m 1 + m 1 - m m 1 / m 1 + m 1 - m m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Which of the following are vector quantities? Linear velocity All of these Linear acceleration Linear displacement Linear velocity All of these Linear acceleration Linear displacement ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of percussion is below the centre of gravity of the body and is at a distance equal to h/kG h × kG kG2/h h2/kG h/kG h × kG kG2/h h2/kG ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The angular velocity (in rad/s) of a body rotating at N revolutions per minute is 2πN/60 πN/60 πN/180 2πN/180 2πN/60 πN/60 πN/180 2πN/180 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by Increasing the radius of the load drum All of these Increasing the number of teeth of the pinion Increasing the length of the handle Increasing the radius of the load drum All of these Increasing the number of teeth of the pinion Increasing the length of the handle ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will Slant up towards direction of pull Slant down towards direction of pull None of these Remain horizontal Slant up towards direction of pull Slant down towards direction of pull None of these Remain horizontal ANSWER DOWNLOAD EXAMIANS APP
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