General Studies · Machine Tools
In a shaper machine, the length of the stroke is increased by:
- 1increasing the length of the slotted arm
- 2decreasing the centre distance of the bull gear and crank pin
- 3increasing the centre distance of the bull gear and crank pin✓
- 4decreasing the length of the slot in the slotted lever
Correct answer
increasing the centre distance of the bull gear and crank pin
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