Subtopic: Functional requirements, principles of working, construction and operation of manual, animal, tractor and renewable energy operated equipment for tillage, sowing, planting, fertilizer application, inter-cultivation, spraying, mowing, chaff cutting, harvesting and threshing
Question Statement:
In a reciprocating mower, 'cutter bar lead' is provided to:
Options:
(A) Compensate for backward deflection caused by cutting resistance so the cutter bar runs perpendicular to travel when operating
(B) Angle the cutter bar backward
(C) Increase stroke length
(D) Sharpen the ledger plates
Answer Key:
A
Step-by-Step Solution & Explanation
Lead (approx. $2\text{ cm}$ forward lead per meter length of cutter bar) ensures the bar aligns perpendicular to travel under load.