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, the register of the knife refers to the:
Options:
(A) Vertical clearance between knife clip and knife section
(B) Condition where the center of the knife section stops exactly in the center of the ledger plate at both ends of the stroke
(C) Forward lead given to the outer end of the cutter bar
(D) Horizontal distance between two adjacent guard fingers
Answer Key:
B
Step-by-Step Solution & Explanation
Register of a mower knife means that the centerline of each knife section is exactly centered over the centerline of each guard ledger plate at the two extreme dead ends of the pitman stroke. If it does not center, unharvested tufts and knife jamming occur.