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Theory of Machines - Interview Questions and Answers

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126. The approximate straight line mechanism is a
A. four bar linkage
B. 6 bar linkage
C. 8 bar linkage
D. 3 bar linkage
E. 5 bar linkage.
Explanation:
127. A circular bar moving in a round hole is an example of
A. incompletely constrained motion
B. partially constrained motion
C. completely constrained motion
D. successfully constrained motion
E. none of the above
Explanation:
128. The following is the inversion of slider crank chain mechanism
A. Whit worth quick return mechanism
B. hand pump
C. oscillating cylinder engine
D. all of the above
E. none of the above.
Explanation:
129. In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links
A. will remain same
B. will change
C. could change or remain unaltered depending oh which link is fixed
D. will not occur
E. none of the above.
Explanation:
130. A kinematic chain requires at least
A. 2 links and 3 turning pairs
B. 3 links and 4 turning pairs
C. 4 links and 4 turning pairs
D. 5 links and 4 turning pairs
E. none of the above.
Explanation:
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