Which of the following strategies best explains how the VGT operates as an engine brake?
A) It narrows the nozzle ring to increase exhaust backpressure and boost pressure.
B) It narrows the nozzle ring to decrease exhaust backpressure and increase boost pressure.
C) It widens the nozzle ring to increase exhaust backpressure and boost pressure.
D) It widens the nozzle ring to decrease exhaust backpressure and boost pressure.
Correct Answer:
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