Allied & ICAR Exam Bank • ALLIED_2993 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Thermodynamic principles of I.C. engines

Question Statement:

Mean Effective Pressure (MEP) of an internal combustion engine represents:

Options:

  • (A) The hypothetical constant pressure which, acting on the piston throughout the expansion stroke, produces the same net work output as the actual cycle
  • (B) Peak combustion cylinder pressure
  • (C) Atmospheric intake manifold pressure
  • (D) Exhaust backpressure

Answer Key:

A

Step-by-Step Solution & Explanation

$\text{MEP} = \frac{W_{net}}{V_s}$, providing a normalized metric of cylinder work output independent of engine displacement.
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