Technician A says that an internal EGR briefly opens the exhaust valve during the exhaust stroke. Technician B says that internal methods result in poor mixing with the intake air and excessive EGR rates at low speeds. Who is right?
A)A only"
B)B only"
C)Both A and B
D)Neither A nor B"

Question

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The Answer of Technician A says that an internal EGR briefly opens the exhaust valve during the exhaust stroke. Technician B says that internal methods result in poor mixing with the intake air and excessive EGR rates at low speeds. Who is right?
A)A only"
B)B only"
C)Both A and B
D)Neither A nor B"

Technician a Says That an Internal EGR Briefly Opens the Exhaust