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
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C.L
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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
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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
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24. A point on a link connecting double slider crank chain traces a.......
A.straight line
B.circle
C.parabola
D.hyperbola
E.ellipse
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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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