Which condition would maximize turbocharger boost?

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Multiple Choice

Which condition would maximize turbocharger boost?

Explanation:
Max boost occurs when the wastegate is kept fully closed. The wastegate controls how much exhaust energy goes through the turbine: with it closed, almost all exhaust drives the turbine, causing the compressor to spin faster and build higher pressure in the intake. If the wastegate is fully open, exhaust bypasses the turbine, keeping boost low. An automatic control system can regulate boost to a target, which may prevent maximum boost, and a pressure relief valve open would vent pressure, reducing boost. So, keeping the wastegate fully closed is the condition that yields the highest boost.

Max boost occurs when the wastegate is kept fully closed. The wastegate controls how much exhaust energy goes through the turbine: with it closed, almost all exhaust drives the turbine, causing the compressor to spin faster and build higher pressure in the intake. If the wastegate is fully open, exhaust bypasses the turbine, keeping boost low. An automatic control system can regulate boost to a target, which may prevent maximum boost, and a pressure relief valve open would vent pressure, reducing boost. So, keeping the wastegate fully closed is the condition that yields the highest boost.

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