Agricultural Engineering > GATE 2020 > Chaff Cutters
A chaff cutter is operated by an electric motor running at 1440 rpm. The speed reduction from motor to the main shaft of the cutting unit is 4:1. The feed rollers of 10 cm diameter each are driven by the main shaft through a suitable gear drive with a speed reduction of 15:1. If the chaff cutter has two knives, the theoretical length of cut chaff in mm (round off to 2 decimal places) is _______.
Correct : 10.47
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