Question Bank • QB_SUB_FP_ERG_003 MCQ • 1 Mark

Section 3: Farm Power

Tractors and Power Tillers

Subtopic: Human engineering and safety considerations in design of tractor and agricultural implements

Question Statement:

The human body is most sensitive to vertical whole-body vibration in which resonant frequency band?

Options:

  • (A) 4 to 8 Hz
  • (B) 50 to 100 Hz
  • (C) 0.1 to 0.5 Hz
  • (D) 1000 to 2000 Hz

Answer Key:

A

Step-by-Step Solution & Explanation

ISO 2631-1 identifies 4–8 Hz as the natural resonance band for human trunk and abdominal organs under vertical vibration.
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