Engineering Mechanics In a screw jack, the effort required to lower the load is __________ the effort required to raise the same load. None of these More than Equal to Less than None of these More than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics In order to determine the effects of a force, acting on a body, we must know Line of action of the force Nature of the force i.e. whether the force is push or pull Magnitude of the force All of these Line of action of the force Nature of the force i.e. whether the force is push or pull Magnitude of the force All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The moment of inertia of a solid cone of mass ‘m’ and base radius ‘r’ about its vertical axis is 4mr²/5 3mr²/5 2mr²/5 3mr²/10 4mr²/5 3mr²/5 2mr²/5 3mr²/10 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 time of flight of a projectile on downward inclined plane depends upon None of these Both (A) and (B) Angle of inclination of the plane Angle of projection None of these Both (A) and (B) Angle of inclination of the plane Angle of projection ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The three forces of 100 N, 200 N and 300 N have their lines of action parallel to each other but act in the opposite directions. These forces are known as Coplanar non-concurrent forces Like parallel forces Unlike parallel forces Coplanar concurrent forces Coplanar non-concurrent forces Like parallel forces Unlike parallel forces Coplanar concurrent forces ANSWER DOWNLOAD EXAMIANS APP
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