Allied & ICAR Exam Bank • ALLIED_1109 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Tractor PTO Standards

Question Statement:

As per standard agricultural tractor specifications (ASAE / BIS), a 540 rpm Power Take-Off (PTO) shaft has:

Options:

  • (A) 6 splines with a nominal diameter of 35 mm (1-3/8 inch)
  • (B) 21 splines with a nominal diameter of 35 mm
  • (C) 6 splines with a nominal diameter of 45 mm
  • (D) 12 splines with a nominal diameter of 25 mm

Answer Key:

A

Step-by-Step Solution & Explanation

Standard 540 rpm PTO uses a 6-spline, 35 mm (1-3/8 in) shaft. The 1000 rpm PTO uses a 21-spline shaft of the same diameter (Type 2).
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