Allied & ICAR Exam Bank • ALLIED_2984 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: I.C. engine cycles

Question Statement:

In the ideal air-standard Diesel cycle, heat addition from fuel combustion takes place at:

Options:

  • (A) Constant pressure (isobaric)
  • (B) Constant volume (isochoric)
  • (C) Constant temperature (isothermal)
  • (D) Constant entropy (isentropic)

Answer Key:

A

Step-by-Step Solution & Explanation

Diesel cycle models fuel injection as taking place at constant pressure as the piston begins downward power stroke.
← Previous (ALLIED_2983) Next (ALLIED_2985) →

Practice In Authentic CBT Exam Interface

Test your skills under authentic timed conditions with live scoring and AIR percentile ranking.

Launch CBT Mock Test