Allied & ICAR Exam Bank • ALLIED_2900MSQ • 2 Marks
Section 2: Farm Machinery
Farm Machinery
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:
Which of the following losses are monitored when evaluating total combine harvester field performance?
Options:
(A) Pre-harvest loss (natural shattering before harvest)
(B) Cutter bar loss (shattered or uncut heads dropped on ground)
(C) Threshing loss (unthreshed grain attached to discharged straw)
(D) Walker and shoe cleaning loss (free grains blown out or carried over)
Answer Key:
A, B, C, D
Step-by-Step Solution & Explanation
ASABE S343 standard divides combine losses into pre-harvest, header/cutter bar, threshing cylinder, and cleaning shoe losses.