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Which of the following best describes how a diode functions in an electrical circuit?


A) current amplifier
B) voltage amplifier
C) relay switch
D) one-way switch

Correct Answer

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Which of the following types of sensor would be associated with a Wheatstone bridge circuit?


A) variable capacitance
B) Piezo resistive
C) Piezo-electric
D) thermister

Correct Answer

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What is used to convert the results of ECU processing into action?


A) actuators
B) hydraulic circuits
C) valve cams
D) diodes

Correct Answer

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Which Digital Multimeter (DMM) test mode would be used to bench-test transistors?


A) Volts DC
B) Volts AC
C) Ohms
D) Milliamps

Correct Answer

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How many terminals are required by a potentiometer such as that used as a 'contact' throttle position sensor?


A) one only
B) two
C) three
D) four

Correct Answer

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Where is the radar antenna located in a Wingman collision mitigation system (CMS) ?


A) behind mirrors
B) under the dash
C) on the steering wheel
D) center of front bumper

Correct Answer

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Technician A says that when an ECU is exposed to voltage spikes its circuitry can be damaged.Technician B says that because of the sensitivity of chassis electronic systems,great care should be exercised when connecting break-out box and diagnostic Tee-connectors into a circuit.Who is correct?


A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Correct Answer

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Which of the following types of data is retained electronically in a vehicle computer system?


A) RAM
B) ROM
C) PROM
D) EEPROM

Correct Answer

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Which type of diode produces an electrical response when subjected to light?


A) Zener diode
B) LED
C) Clamping diode
D) Photodiode

Correct Answer

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With which part of a computer processing cycle are sensors associated with?


A) input
B) processing
C) output
D) actuator

Correct Answer

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