Engineering Mechanics A screw jack used for lifting the loads is A reversible machine None of these A non-reversible machine An ideal machine A reversible machine None of these A non-reversible machine An ideal machine 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 Moment of inertia Center of percussion Center of mass Center of gravity Moment of inertia Center of percussion ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics The forces, which meet at one point and their lines of action also lie on the same plane, are known as Coplanar concurrent forces Non-coplanar non-concurrent forces Non-coplanar concurrent forces Coplanar non-concurrent forces Coplanar concurrent forces Non-coplanar non-concurrent forces Non-coplanar concurrent forces Coplanar non-concurrent forces 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 Remain horizontal None of these Slant down towards direction of pull Slant up towards direction of pull Remain horizontal None of these Slant down towards direction of pull Slant up towards direction of pull ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics One kg force is equal to 8.9 N 9.8 N 12 N 7.8 N 8.9 N 9.8 N 12 N 7.8 N ANSWER DOWNLOAD EXAMIANS APP
Engineering Mechanics A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is Reversible Non-reversible Ideal None of these Reversible Non-reversible Ideal None of these ANSWER DOWNLOAD EXAMIANS APP
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