Automotive Technology
7th Edition
ISBN: 9781337794213
Author: ERJAVEC, Jack.
Publisher: Cengage,
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Textbook Question
Chapter 43, Problem 3MC
Pressure readings reveal possible problems in which of the following?
a. Oil pump
b. Governor
c. Apply circuits
d. All of the above
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Pressure regulators are being discussed. Technician A says they are located in the fuel rail. Technician B says they are located on the fuel rail. Who is correct?
a. A only
b. B only
c. Both A and B
d. Neither A nor B
True or False? Oil pressure is determined bywhether the pump is a gear type or rotor typeand by oil clearances, the pump’s pressure regulator valve, and oil viscosity.
A technician is inspecting a vehicle and finds
the upper radiator hose is collapsed, and the
cooling system pulled into a vacuum when
cold. Technician A states that a leak in the
surge tank could be the cause. Technician B
states that the radiator cap is most likely
defective. Who is correct?
Select one:
a. Technician A only
b. Technician B only
c. Both Technicians A and B
d. Neither Technician A nor B
Chapter 43 Solutions
Automotive Technology
Ch. 43 - What is the most probable cause of a low fluid...Ch. 43 - What does milky colored ATF indicate?Ch. 43 - What do varnish or gum deposits on the dipstick...Ch. 43 - Typically during a pressure test, the pressure...Ch. 43 - List five reasons for replacing a torque...Ch. 43 - Explain why oil circuit diagrams are invaluable...Ch. 43 - Explain how a plugged fluid cooler can cause a...Ch. 43 - What is checked during a stall test?Ch. 43 - Ifa transmission does not have a dipstick, how do...Ch. 43 - What should you do if a valve does not move freely...
Ch. 43 - Which of the following is the most likely cause...Ch. 43 - When should the ATF level be checked on most...Ch. 43 - Pressure readings reveal possible problems in...Ch. 43 - Which of the following is a probable cause for a...Ch. 43 - When rebuilding an automatic transmission, which...Ch. 43 - Technician A says that a prerequisite to accurate...Ch. 43 - While discussing proper band adjustment...Ch. 43 - Technician A says that if the shift for all...Ch. 43 - Technician A says that the only positive way to...Ch. 43 - Technician A says that delayed shifting can be...Ch. 43 - While checking the condition of a cars ATF:...Ch. 43 - While discussing the results of an oil pressure...Ch. 43 - While discussing a pressure test: Technician A...Ch. 43 - While checking the engine and transmission mounts...Ch. 43 - While discussing the cause of aerated fluid in a...
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- Technician A says that coolant hoses should be squeezed to check for hardening or softening. Technician B says that coolant hoses should be visually inspected for swelling and cracks. Who is correct? Select one: a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forwardThe flow pattern can be controlled by which equipment or part of the vessel?A. BafflesB. ImpellersC. Baffles and impellersD. None of these.arrow_forwardWhich is not a pressure or force acting on a TXV diaphragm?A. Head pressureB. Evaporator pressureC. Spring pressureD. Bulb pressurearrow_forward
- Which among the valves is called non return valve a.flap check b.ball c.plunger valve d.diaphragm e.Checkarrow_forwardOn the low-pressure side of a double diaphragm seal system, the transmitter measures a pressure of 108 in. WC when the tank is empty. Which process should you apply before measuring on the high-pressure side? Low water level cutoff Ratholing Zero suppression Blowdownarrow_forwardPressure relief valves: Select one: a. Open manually upon overloading in pressure O b. Open automatically upon overloading in pressure c. Two directional valve d. Oil flow control valvearrow_forward
- Technician A uses a feeler gauge and straightedge to determine the pump cover flatness.Technician B uses an outside micrometer tomeasure the diameter and thickness of theouter rotor. Who is correct?a. Technician Ab. Technician Bc. Both A and Bd. Neither A nor Barrow_forwardWhen performing a coolant pressure test, Technician A says to pressurize the system to the pressure shown on the radiator cap. Technician B says that the coolant should be drained before performing the test. Who is correct? Select one: a. Technician A only b. Technician B only c. Both A and B d. Neither A nor Barrow_forwardA vehicle comes in with no coolant and a core plug popped out of the engine block. Technician A states that the water pump is likely to be overpressurizing the system. Technician B states that the coolant may not have a low enough freezing point. Who is correct? Select one: a. Technician A only b. Technician B only c. Both Technicians A andB d. Neither Technician A nor Barrow_forward
- Technician A uses a feeler gauge and straightedge to determine the pump cover flatness. Technician B uses an outside micrometer to measure the diameter and thickness of the outer rotor. Who is correct? Technician A Technician B Both A and B Neither A nor Barrow_forwardTwo techs are discussing oil coolers. Technician A says that when inspecting oil- to-water type coolers, look for mixing of the fluids: oil in the coolant, and coolant in the oil. Technician B says that when inspecting oil-to-air type coolers, look for oil in the coolant only. Who is correct? Select one: a. Technician A b. Technician B c. Both A and B d. Neither A nor Barrow_forwardCoolant condition can be tested with all the following tools EXCEPT: Select one: a. Hydrometer b. Barometer c. Refractometer d. Electronic testerarrow_forward
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