Allied & ICAR Exam Bank • ALLIED_0188 NAT • 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:

A 7-row seed drill sowing wheat at $100\text{ kg/ha}$ with row spacing $20\text{ cm}$ operates at $5\text{ km/h}$. The total seed delivery rate from the drill hopper in kg/h is:

Answer Key:

70

Step-by-Step Solution & Explanation

Width $W = 7 \times 0.20 = 1.4\text{ m}$. Coverage $= (1.4 \times 5)/10 = 0.70\text{ ha/h}$. Delivery rate $= 0.70 \times 100 = 70.0\text{ kg/h}$.
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