GATE AG 2022 • Q27 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Fuels and combustion

Question Statement:

The lowest temperature at which the fuel ceases to flow is known as ______.

Options:

  • (A) Pour point
  • (B) Cloud point
  • (C) Flash point
  • (D) Boiling point

Official Answer Key:

A

Step-by-Step Solution & Explanation

• Pour point is defined as the lowest temperature at which a fuel/oil just ceases to flow under specified test conditions. • Distractor logic: (B) Cloud point is when wax crystals first appear (fuel still flows). (C) Flash point is an ignition property. (D) Boiling point is a phase-change property.

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