Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 21, Problem 2MC
Which of the following uses a permanent magnet and two electromagnets?
- Air-core gauge
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Chapter 21 Solutions
Automotive Technology
Ch. 21 - What is the purpose of an IVR?Ch. 21 - Explain how an air-core gauge works.Ch. 21 - What are two ways to provide input for the...Ch. 21 - Describe the two types of instrument panel...Ch. 21 - What is the device found in some fuel tanks to...Ch. 21 - What is the correct way to check a coolant...Ch. 21 - What type of sending unit is typically used to...Ch. 21 - What is the major difference between an indicator...Ch. 21 - True or False? A driver information center...Ch. 21 - True or False? The ABS lamp turns on whenever the...
Ch. 21 - The indicator needle on a speedometer is held to...Ch. 21 - Which of the following uses a permanent magnet and...Ch. 21 - What type of memory is used to store the...Ch. 21 - Which of the following is not a true statement...Ch. 21 - Which of the following statements about oil gauge...Ch. 21 - While discussing what the maintenance reminders...Ch. 21 - None of the engines gauges works: Technician A...Ch. 21 - The oil pressure light stays on whenever the...Ch. 21 - A digital speedometer constantly reads 0 mph:...Ch. 21 - All gauges operate but read lower than normal:...Ch. 21 - When testing an engine temperature sensor:...Ch. 21 - The coolant temperature gauge stays low (cold)...Ch. 21 - While discussing the instrumentation on a Toyota...Ch. 21 - The TPM warning lamp is lit: Technician A says...Ch. 21 - The yellow electronic throttle control warning...
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- All gauges operate but read lower than normal: Technician A says that the connection to the instrument cluster may be corroded. Technician B says that the cluster s IVR may be open. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardTrue or False? The strength of the magnetic field in an electromagnet increases with an increase in the number of turns of wire and the current flowing through them.arrow_forwardTrue false or neither true or falsearrow_forward
- Explain working principle of hook gauges?arrow_forwardWhich of the following tests would not be performed to check for high resistance in the battery' cables? Cranking voltage test Insulated circuit resistance test Starter relay by-pass test Ground circuit resistance testarrow_forwardWhat is the magnetic particle testarrow_forward
- Name and sketch the three types of plug gaugesarrow_forwardWhich of the following is not made of semiconductor material? Zener diode Thermistor PM generator Hall-effect switcharrow_forwardWhile measuring the resistance of a wire with an ohmmeter: Technician A says that if low resistance is shown on the meter, the wire is shorted. Technician B says that if no resistance is measured, the wire is shorted. Who is correct? Technician A Technician B Both A and B d. Neither A nor Barrow_forward
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