Allied & ICAR Exam Bank • ALLIED_0140 MCQ • 1 Mark

Section 2: Farm Machinery

Farm Machinery

Subtopic: Soil tillage

Question Statement:

Cone Index (CI) measured by an ASAE standard cone penetrometer is defined as:

Options:

  • (A) The penetration force per unit base area of a standard $30^\circ$ cone expressed in kPa
  • (B) The shear strength angle in degrees
  • (C) Liquid limit divided by plastic limit
  • (D) Percentage moisture at field capacity

Answer Key:

A

Step-by-Step Solution & Explanation

Cone index is force per unit cone base area pushed into soil at $30\text{ mm/s}$ to quantify penetration resistance.
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