Engineering Mechanics The maximum efficiency of a lifting machine is m/V.R. 1/(m × V.R.) 1/m V.R./m m/V.R. 1/(m × V.R.) 1/m V.R./m ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio for the third system of pulleys is n n² 2n - 1 2n n n² 2n - 1 2n ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is bh3/8 bh3/12 bh3/4 bh3/36 bh3/8 bh3/12 bh3/4 bh3/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The center of percussion of a solid cylinder of radius ‘r’ resting on a horizontal plane will be 3r/2 2r/3 r/A r/2 3r/2 2r/3 r/A r/2 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 down towards direction of pull Remain horizontal Slant up towards direction of pull None of these Slant down towards direction of pull Remain horizontal Slant up towards direction of pull None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The unit of angular velocity is Revolutions/min m/min rad/s Both (B) and (C) Revolutions/min m/min rad/s Both (B) and (C) ANSWER DOWNLOAD EXAMIANS APP
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