Consider a Piezoelectric CR Injector

question 15

Multiple Choice

Consider a piezoelectric CR injector. What happens to the actuator when current is initially applied to the piezoceramic wafers?

• A)The nozzle valve is seated by high-pressure fuel.
• B)The crystals expand.
• C)The crystals contract.
• D)Reaction induction causes a delayed injector response time.

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