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
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Testing oil pressure sensors usually
involves substituting the specified
in place of the sensor and
observing the reaction of the oil pressure
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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
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What is the use of pressure gauge?
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_forwardAll 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_forward
- Name 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_forwardCheck the correct statements. * Attitude indicator must be adjusted during flight ASi must be adjusted when aircraft changes altitude Altimeter must be manually adjusted during flight The pressure inside the aneroid is kept at sea level when it comes to the altimeter Smaller aircraft normally use digital instruments smaller aircraft normally have several pitot tubes and static portsarrow_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_forwardExplain the above : pressure sensor, pressure gauge and pressure transmitter with an applicationarrow_forwardThe following transducer is used to measure the temperature. a. Bourdon tube b. Bellows c. Thermocouple d. Strain Gaugearrow_forward
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