38) Technician A says that most pressure regulating valves work by balancing hydraulic pressure against a spring force. Technician B says that many electronic transmissions may use solenoids to further regulate hydraulic pressure. Who is correct? Technician A Technician B Both technicians A and в Neither technician A nor B

38) Technician A says that most pressure regulating valves work by balancing hydraulic pressure against a spring force. Technician B says that many electronic transmissions may use solenoids to further regulate hydraulic pressure. Who is correct? Technician A Technician B Both technicians A and в Neither technician A nor B

Automotive Technology

7th Edition

ISBN:9781337794213

Author:ERJAVEC, Jack.

Publisher:ERJAVEC, Jack.

Chapter12: Upper End Theory And Service

Section: Chapter Questions

Problem 5ASRQ: Technician A says an engine may use one or more valve springs per valve. Technician B says...

See similar textbooks

Similar questions

Technician A says it is not necessary to measure valve stem height unless the valves have been replaced. Technician B says valve stem height can be adjusted with shims. Who is correct? Technician A Technician B Both A and B Neither A nor B
Technician A says an engine may use one or more valve springs per valve. Technician B says additional valve springs are used to control vibration and increase total pressure. Who is correct? a. Technician A b. Technician B c. Both A and B d. Neither A nor B
While discussing the results of an oil pressure test: Technician A says that when the fluid pressures are high, internal leaks, a clogged filter, low oil pump out put, or a faulty pressure regulator valve are indicated. Technician B says that if the fluid pressure increased at the wrong time, an internal leak at the servo or clutch seal is indicated. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor B
True or False? No-start, surging, or stalling can be caused by an EGR valve that does not open.
The hydraulic system is free from noise and produces high pressure. Select one:TrueFalse Hydraulic valves and their actuators are more in weight and can handle less amount of pressure. Select one:TrueFalse
Which among the valves is called non return valve a.flap check b.ball c.plunger valve d.diaphragm e.Check
A valve may be operated by any of the following except? a. none of the choices b. electronically c. mechanically d. manually
When discussing the diagnosis of a positive back pressure EGR valve: Technician A says that with the engine running at idle speed, if a hand pump is used to supply vacuum to the EGR valve, the valve should open at 12 in. Hg of vacuum. Technician B says that with the engine not running, any vacuum supplied to the EGR valve should be bled off and the valves diaphragm should not move. Who is correct? a. Technician A only b. Technician B only c. Both A and B d. Neither A nor B
Pressure bleeding is being discussed: Technician A says that metering and combination valves must be held open using a special tool during the bleeding operation to ensure good results. Technician B says that the pressure bleeder requires special adapters to connect it to the master cylinder reservoir. Who is correct? Technician A only Technician B only Both A and B Neither A nor B
Explain why a height-sensing proportioning valve is required on some vehicles.
An EGR valve that does not fully close can cause all of the following except ____ . a. a no-start b. stalling c. surging d. detonation
In a negative backpressure EGR valve, if the exhaust pressure passage in the stem is plugged, the bleed valve remains.