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) D/(D + d) 2D/(D + d) 2D/(D - d) D/(D - d) D/(D + d) 2D/(D + d) ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics Coefficient of friction depends upon Both (A) and (B) Nature of surface only None of these Area of contact only Both (A) and (B) Nature of surface only None of these Area of contact only 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 None of these Remain horizontal Slant down towards direction of pull Slant up towards direction of pull None of these Remain horizontal Slant down towards direction of pull 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 db³/36 bd³/36 db³/12 bd³/12 db³/36 bd³/36 ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The centre of gravity a T-section 100 mm × 150 mm × 50 mm from its bottom is 75 mm 50 mm 125 mm 87.5 mm 75 mm 50 mm 125 mm 87.5 mm 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 Q / P P - Q P / Q P + Q Q / P P - Q P / Q P + Q ANSWER DOWNLOAD EXAMIANS APP