Heavy Duty Equipment Technician Red Seal Exam Prep · Question
What is the function of the wastegate in a turbocharger system?
The wastegate is a valve that diverts a portion of the exhaust gases away from the turbine, thereby preventing excessive boost pressure from being generated.
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Question: What is the function of the wastegate in a turbocharger system?
Answer options:
- To filter the exhaust gases before they enter the turbo
- To regulate engine speed by bypassing intake air ✅ To control boost pressure by diverting exhaust gases around the turbine
- To lubricate the turbocharger bearings
Correct answer: To control boost pressure by diverting exhaust gases around the turbine
Explanation: The wastegate is a valve that diverts a portion of the exhaust gases away from the turbine, thereby preventing excessive boost pressure from being generated.
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