Heavy Duty Equipment Technician Red Seal Exam Prep · Question
Which statement best describes the function of an intercooler in a turbocharged diesel engine?
The intercooler reduces the temperature of the air that has been compressed and heated by the turbocharger. Cooler, denser air contains more oxygen, leading to
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Question: Which statement best describes the function of an intercooler in a turbocharged diesel engine?
Answer options:
- It cools the engine coolant before it enters the radiator
- It cools the engine oil before it enters the engine block ✅ It cools the compressed intake air from the turbocharger before it enters the engine
- It cools the exhaust gases before they enter the exhaust manifold
Correct answer: It cools the compressed intake air from the turbocharger before it enters the engine
Explanation: The intercooler reduces the temperature of the air that has been compressed and heated by the turbocharger. Cooler, denser air contains more oxygen, leading to improved combustion and increased power.
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- What is the primary purpose of a 'lock-up clutch' in a modern heavy-duty torque converter?
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