Allied & ICAR Exam Bank • ALLIED_0251 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Thermodynamic principles of I.C. engines

Question Statement:

In an air-standard Dual combustion cycle, heat addition occurs:

Options:

  • (A) Partly at constant volume and partly at constant pressure
  • (B) Entirely at constant volume
  • (C) Entirely at constant pressure
  • (D) At constant temperature

Answer Key:

A

Step-by-Step Solution & Explanation

Dual (limited pressure) cycles approximate modern high-speed diesel engines with initial rapid isochoric combustion followed by isobaric burning.
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