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Question

Which of the following option is TRUE for a crank rocker mechanism? 

A.

One link connected to the fix link oscillates while the other has full rotation

B.

One link connected to the fix link rotates and the other also rotates fully.

C.

One link connected to the fix link oscillates and the other also oscillates.

D.

None of these.

Answer ( Option A)

One link connected to the fix link oscillates while the other has full rotation

Solution

●In crank-rocker mechanism, as from its name we can know that in this, input link is a crank and rotating full circle, and output link is a rocker (lever) and have oscillation motion.

●According to its motion, the other name of this mechanism is crank-lever mechanismor rotary-oscillating converter.

Hence, the correct option is (A)

.&Key Points:-

The other inversion of 4-bar mechanism are :

●According to their motion, crank-crank on double crank or drag-crank mechanism or rotary-rotary converter.

●The other mechanism is rocker-rocker or double-rocker or double lever mechanism or oscillating converter according to its motion.

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