Question Bank • QB_SUB_FP_TRS_001 MCQ • 1 Mark

Section 3: Farm Power

Tractors and Power Tillers

Subtopic: Power transmission systems – gear trains, differential, final drives and power take-off

Question Statement:

The standard rotational speed and spline diameter for a Type 1 standard PTO shaft specified by ISO/ASAE is:

Options:

  • (A) 540 rpm with 6 splines of 35 mm (1-3/8 inch) diameter
  • (B) 1000 rpm with 21 splines of 45 mm diameter
  • (C) 750 rpm with 8 splines
  • (D) 540 rpm with 10 splines of 25 mm diameter

Answer Key:

A

Step-by-Step Solution & Explanation

ASAE/ISO 500 standard defines Type 1 standard PTO as 540 ± 10 rpm with 6 splines and 34.9 mm (1-3/8 in) diameter.
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