Theory of mechanics
Simple mechanisms:
1)In a reciprocating steam engine, which of the following forms a kinamatic link crank shaft and flywheel
2)The motion of a piston in the cylinder of steam engine is an example of completely constrained motion
3)The motion transmitted between the teeth of gear in mesh is partly sliding and partly rolling
4)The cam and follower without a spring forms a self closed pair
5)A ball and a socket joint forms a spherical pair
6)The lead screw of lathe with nut forms a screw pair
7)When the elements of the pair are kept in contact by the action of external forces, the pair is said to be force closed pair
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