Two Technicians Are Explaining the Siemens Injector Operation

question 10

Multiple Choice

Two technicians are explaining the Siemens injector operation. Technician A says that a piezoceramic actuator uses multiple stacked piezo crystal discs that expand longitudinally when electrically energized. Technician B says that fuel pressure in a chamber below the control piston regulates the movement of the control piston. Who is right?

• A)A only"
• B)B only"
• C)Both A and B
• D)Neither A nor B"

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