Allied & ICAR Exam Bank • ALLIED_0139 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 rotavator travels forward at $2.4\text{ km/h}$. The rotor turns at $200\text{ rpm}$ and each flange has 3 blades. The bite length in cm is:

Answer Key:

6.67

Step-by-Step Solution & Explanation

$v_f = 2.4 \times 1000 / 3600 = 66.67\text{ cm/s}$. Cut frequency $= 200 \times 3 / 60 = 10\text{ cuts/s}$. Bite length $= 66.67 / 10 = 6.67\text{ cm}$.
← Previous (ALLIED_0138) Next (ALLIED_0140) →

Practice In Authentic CBT Exam Interface

Test your skills under authentic timed conditions with live scoring and AIR percentile ranking.

Launch CBT Mock Test