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 agricultural knapsack sprayers, pressure regulation and continuous spraying without pulsing are ensured by an internal:
Options:
(A) Air chamber (surge pressure bottle)
(B) Centrifugal compressor
(C) Electronic throttle valve
(D) Pneumatic cylinder
Answer Key:
A
Step-by-Step Solution & Explanation
The air vessel compresses trapped air during the pump stroke, which expands during the return stroke to maintain smooth, continuous nozzle output.