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 P - Q P / Q Q / P P + Q P - Q P / Q Q / P P + Q 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 None of these Slant up towards direction of pull Slant down towards direction of pull Remain horizontal None of these Slant up towards direction of pull ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The velocity ratio of a single purchase crab winch can be increased by Increasing the length of the handle Increasing the number of teeth of the pinion All of these Increasing the radius of the load drum Increasing the length of the handle Increasing the number of teeth of the pinion All of these Increasing the radius of the load drum ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The range of projectile will be maximum for a given velocity of projectile, when the angle of projection (α) is 60° + β/2 30° + β/2 β/2 45° + β/2 60° + β/2 30° + β/2 β/2 45° + β/2 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 mass Center of gravity Center of percussion Moment of inertia Center of mass Center of gravity Center of percussion Moment of inertia ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a square of side (a) about an axis through its center of gravity is a4/12 a4/8 a4/4 a4/36 a4/12 a4/8 a4/4 a4/36 ANSWER DOWNLOAD EXAMIANS APP
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