Quick return mechanism is an inversion
of ________ .
Four bar chain
Single slider crank chain
Double slider crank chain
Crossed slider crank chain
Single slider crank chain
●Quick return mechanism is a second inversionof single slider crank chain which is obtained when link 2 (crank) is fixed.
●It is also known as Whitworth
quick-return mechanism or rotary I.C. engine or Gnome engine.
Hence, the correct option is (B).
&Key Points:-
Single slider-crank chain :
1. First inversion is obtained when
link 1 (cylinder) is fixed, known as reciprocating engine or compressor.
2. Third inversionis obtained when
link 3 (connecting rod) is fixed known as oscillating cylinder engine or crank
and slotted lever mechanism.
3. Fourth inversion is obtained when
link 4 (slider) is fixed, known as hand pump, pendulum pump or bull engine.
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