Allied & ICAR Exam Bank • ALLIED_0255 MCQ • 1 Mark

Section 3: Farm Power

Farm Power

Subtopic: Power efficiencies and measurement, engine performance curves

Question Statement:

Volumetric efficiency of a naturally aspirated 4-stroke internal combustion engine is defined as:

Options:

  • (A) The ratio of mass of fresh air inducted into cylinder during intake stroke to theoretical mass that could fill displacement volume at ambient conditions
  • (B) Clearance volume divided by stroke volume
  • (C) Indicated power divided by fuel heat
  • (D) Bore to stroke ratio

Answer Key:

A

Step-by-Step Solution & Explanation

Volumetric efficiency measures the air breathing effectiveness of an IC engine relative to its displacement volume at STP.
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