Theory of Machine | Theory of Machine Objective Type Questions and answers

21. If there are L number of links in a mechanism then number of possible inversions is equal to.......

   A.L+1

   B.L-1

   C.L

   D.L+2

   E.L-2

22. The c.g. of alink in any mechanism would experience.......

   A.no acceleration

   B.linear acceleration

   C.angular acceleration

   D.both angular and linear accelerations

   E.none of the above

23. For a machine to be self-locking,its efficiency should be.......

   A.100%

   B.less than 67%

   C.less than 50%

   D.more than 50%

   E.none of the above

24. A point on a link connecting double slider crank chain traces a.......

   A.straight line

   B.circle

   C.parabola

   D.hyperbola

   E.ellipse

25. A mechanism is an assemblage of.......

   A.Two links

   B.Three links

   C.four links or more than four links

   D.all of the above

   E.none of the above

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