Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 21, Problem 5MC
Which of the following statements about oil gauge circuits is not true?
- A switch can be used
Expert Solution & Answer
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Choose True or False
Testing oil pressure sensors usually
involves substituting the specified
in place of the sensor and
observing the reaction of the oil pressure
gauge.
Select one:
a. Pressure
b. Voltage
c. Resistance
d. None of the above
ödalg äbäi A negative gauge pressure is
referred as
Vacuum pressure
Suction pressure
Absolut pressure
None of theses O
Suction pressure and Vacuum
pressure
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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- Before installing a gauge on the high-pressure side of a system, you should do which of the following? A. Turn on the system. B. Turn off the system. C. Adjust the system to a neutral position. D. Have a cylinder approved by the DOT nearby.arrow_forwardWhich of the following statements about manifold gauge sets is not true? An adapter is required for using R-12 gauges on an R-134a system. A manifold gauge set is used when discharging, charging, and evacuating and for diagnosing trouble in an A/C system. The gauge manifold is designed to control refrigerant flow. When the manifold test set is connected into the system, pressure is registered on both gauges at all times. R-134a service hoses have a black stripe along their length, the low-pressure hose is blue, and the high-pressure hose is red.arrow_forwardWhat is the use of pressure gauge?arrow_forward
- 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_forwardName and sketch the three types of plug gaugesarrow_forwardWhen oil pressure is below the spring pressure, the switch opens and the gauge reading falls toward the low-pressure side. Select one: True Falsearrow_forward
- None of the engines gauges works: Technician A tests gauge operation using a scan tool. Technician B begins by checking the fuse and then checks for voltage at the last point common to all the malfunctioning gauges. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardChoose correct answer: In hydraulic system circuit,the pressure gauge would not be available in the power pack. Select one: True Falsearrow_forwardTechnician A says that if the oil pressure shows low on the vehicle's gauge, engine oil pressure should be verified using a manual test gauge. Technician B says that if a vehicle's oil pressure gauge reads too high, engine oil pressure should be verified using a manual test gauge. Who is correct? Select one: a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forward
- A(n) is used to diagnose gauge problems by substituting precise resistances in the gauge circuit and comparing the gauge reading to the specifications. Select one: a. Additive substitution box b. Resistance substitution box c. Gauge reading box d. Oil pressure sensorarrow_forwardWhat is thermocouple gauge used for detection of leaks in vacuum systems.arrow_forwardThe following transducer is used to measure the temperature. a. Bourdon tube b. Bellows c. Thermocouple d. Strain Gaugearrow_forward
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