Allied & ICAR Exam Bank • ALLIED_0230 MCQ • 1 Mark

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:

Rotary combine harvesters replace conventional straw walkers with:

Options:

  • (A) Axial-flow rotors that combine threshing and centrifugal separation in a single elongated cage
  • (B) Manual sorting belts
  • (C) Pneumatic blowers only
  • (D) Gravity drop shakers

Answer Key:

A

Step-by-Step Solution & Explanation

Axial-flow rotary combines use centrifugal force inside longitudinal threshing/separating rotors, reducing grain damage and machine length.
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