Question

Technician $A$ states that a Bosch rack actuator can be described as a linear proportioning solenoid. Technician B states that the rack position sensor is a piezoelectric device. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither $A$ nor $B$

   Technician $A$ states that a Bosch rack actuator can be described as a linear proportioning solenoid. Technician B states that the rack position sensor is a piezoelectric device. Who is correct?
a. Technician A only
b. Technician B only
c. Both A and B
d. Neither $A$ nor $B$

Medium Heavy Duty Truck Engines, Fuel & Computerized Management Systems

Sean Bennett 4th Edition

Chapter 22, Problem 17

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Step 1

A linear proportioning solenoid is a type of actuator that provides variable control based on the input signal. Research indicates that Bosch rack actuators are indeed designed to function similarly to linear proportioning solenoids, allowing for precise control Show more…

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Technician $A$ states that a Bosch rack actuator can be described as a linear proportioning solenoid. Technician B states that the rack position sensor is a piezoelectric device. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither $A$ nor $B$

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Key Concepts

Piezoelectric Sensing

Piezoelectric sensing involves materials that generate an electrical voltage when subjected to mechanical stress or deformation. This sensing method is ideal for detecting rapid, transient changes in pressure, vibration, or force, but it is not typically used for tracking the continuous position of components over time.

Linear Proportional Solenoid

A linear proportional solenoid is an actuator that controls linear motion by varying the magnetic force in proportion to the input current. This technology allows for precise control over movement, which is essential in applications where gradated responses are necessary, such as in regulating mechanical motion or fluid flow in automotive systems.

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