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:
Match the Farm Machinery Components in Group-I with their Functional Operations in Group-II:
$\begin{array}{|ll|ll|}\hline \textbf{Group-I (Component)} & & \textbf{Group-II (Functional Operation)} & \\ \hline \text{P. Fluted Roller} & & \text{1. Precision single seed metering for crops like cotton and maize} \\ \text{Q. Inclined Plate} & & \text{2. Continuous volumetric metering of cereal seeds in seed drills} \\ \text{R. Rasp Bar Cylinder} & & \text{3. Rubbing and impact threshing of wheat and paddy} \\ \text{S. Star Wheel} & & \text{4. Agitation and positive discharge of granular fertilizer} \\ \hline \end{array}$
Select the CORRECT matching combination:
Options:
(A) P-2, Q-1, R-3, S-4
(B) P-1, Q-2, R-4, S-3
(C) P-2, Q-4, R-3, S-1
(D) P-3, Q-1, R-2, S-4
Answer Key:
A
Step-by-Step Solution & Explanation
Seeding and Harvesting Machinery Components:
- **P. Fluted Roller**: Volumetric metering for small grain seed drills (2).
- **Q. Inclined Plate**: Precision singulation metering for planters (1).
- **R. Rasp Bar Cylinder**: Rubbing/impact action for cereal threshers (3).
- **S. Star Wheel**: Fertilizer metering device (4).
Correct match: **P-2, Q-1, R-3, S-4**.