Which amongst the following is an
inversion of double slider crank chain?
Engine indicator
Elliptical trammel
Quick return motion
Coupled wheels of a locomotive
Elliptical trammel
●Elliptical trammel is the first
inversion of double slider crank chain. It is obtained when link 1 (slotted
plate) is fixed.
●Engine indicator is an inversion of four-bar chain. It is made up of rocker-rocker or double rocker mechanism.
●Quick return motion mechanism is the
second inversion of single slider-crank chain.
●Coupled wheels of a locomotive is an
inversion of four-bar chain. The mechanism used is parallel crank four bar
linkage (Parallelogram) or double-crank mechanism.
Hence, the correct option is (B).
&Key Points:-
Engine indicator are also known as double-lever mechanism, watt
indicatoror straight line mechanism.
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