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 fertilizer drill, the star wheel metering mechanism meters granular fertilizer by:
Options:
(A) Rotating star-shaped finger wheels inside the fertilizer hopper gate
(B) Pneumatic suction cups
(C) Centrifugal misting
(D) Ultrasonic vibration
Answer Key:
A
Step-by-Step Solution & Explanation
The star-wheel revolving horizontally carries fertilizer past an adjustable gate into the feed tubes.