Allied & ICAR Exam Bank • ALLIED_0339 NAT • 2 Marks

Section 3: Farm Power

Farm Power

Subtopic: Tractors and Power Tillers

Question Statement:

In a tractor final drive, a planetary gear reduction set has sun gear with 12 teeth and stationary ring gear with 60 teeth. The gear reduction ratio $(1 + z_{ring}/z_{sun})$ is:

Answer Key:

6

Step-by-Step Solution & Explanation

Planetary gear ratio with fixed annulus $= 1 + 60 / 12 = 1 + 5 = 6.0$.
← Previous (ALLIED_0338) Next (ALLIED_0340) →

Practice In Authentic CBT Exam Interface

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

Launch CBT Mock Test