Allied & ICAR Exam Bank • ALLIED_0272
MCQ • 1 Mark
Section 3: Farm Power
Farm Power
Subtopic: I.C. engine systems – fuel, cooling, lubrication, ignition, electrical, intake and exhaust
Question Statement:
The primary function of the intercooler (aftercooler) paired with an engine turbocharger is to:
Options:
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(A) Cool compressed intake air to increase its density and reduce combustion peak temperatures
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(B) Heat incoming fuel
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(C) Cool exhaust gases entering the turbine
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(D) Lubricate turbocharger bearings
Step-by-Step Solution & Explanation
Compressing air heats it, lowering density. The charge air cooler reduces temperature, increasing air density and power while reducing NOx.
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