Allied & ICAR Exam Bank • ALLIED_0249 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Power efficiencies and measurement, engine performance curves

Question Statement:

The Morse test is used to determine indicated power of multi-cylinder internal combustion engines by:

Options:

  • (A) Cutting off fuel/ignition to each cylinder in sequence and measuring the resulting reduction in brake power
  • (B) Measuring exhaust gas temperature
  • (C) Calculating air flow using orifice meter
  • (D) Weighing fuel tank continuously

Answer Key:

A

Step-by-Step Solution & Explanation

Cutting off one cylinder drops BP by that cylinder's indicated power, allowing individual IP determinations without an indicator diagram.
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