Allied & ICAR Exam Bank • ALLIED_0809 NAT • 2 Marks

Section 2: Farm Machinery

Farm Machinery

Subtopic: Soil tillage

Question Statement:

A disc plow blade has diameter $D = 60\text{ cm}$ and disc bowl depth $d = 7.5\text{ cm}$. Using $R \approx \frac{D^2}{8d} + \frac{d}{2} = \frac{3600}{60} + 3.75$, the radius of spherical curvature $R$ in cm is:

Answer Key:

63.75

Step-by-Step Solution & Explanation

$R = \frac{3600}{60} + 3.75 = 60 + 3.75 = 63.75\text{ cm}$.
← Previous (ALLIED_0808) Next (ALLIED_0810) →

Practice In Authentic CBT Exam Interface

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

Launch CBT Mock Test