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:
The ledger plate in a mower cutter bar guard is made of hardened steel because:
Options:
(A) It acts as the stationary shearing die edge against which the moving knife section cuts crop stems
(B) It supports the weight of the tractor
(C) It acts as a skid shoe
(D) It drives the pitman arm
Answer Key:
A
Step-by-Step Solution & Explanation
Ledger plates provide the sharp, wear-resistant shear bed against which reciprocating knife blades slice vegetation.