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 fluted roller seed metering mechanism in a seed drill regulates seed discharge rate primarily by:
Options:
(A) Shifting the fluted roller axially into or out of the seed cup to vary active flute length
(B) Changing the seed tube diameter
(C) Varying the furrow opener depth
(D) Tilting the seed box
Answer Key:
A
Step-by-Step Solution & Explanation
Sliding the fluted roller exposes a greater or smaller length of the flutes to the seed pocket inside the feed cup.