An owner of a vehicle equipped with ABS brakes complained that whenever he tried to stop on icy or slippery roads, the brake pedal would pulse up and down rapidly. Technician A says that this is normal for many ABS units. Technician B says that the ABS unit is malfunctioning. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A
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Which of the following statements are correct regarding direct-burial fuel tanks? Select all that apply.
A) Unlike fiberglass tanks, steel tanks are heavy enough not to need weighting to avoid buoyancy. B) Steel tanks are more fire-resistant and durable than fiberglass. C) The double-wall feature traps leaking oil to prevent contamination of surrounding soil. D) The double-wall feature eliminates the need for monitoring.
In addition to starting, stopping and controlling the speed of a motor, the controller may be required to respond to a number of conditions. List four examples of these conditions.
What will be an ideal response?
Technician A says that a too-rich air-fuel mixture can be caused by a defective fuel pressure regulator. Technician B says that a defective fuel pressure regulator can cause a too-lean air-fuel mixture. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
In a conventional gas furnace, the hot flue gases are ____.
A. forced out a PVC vent with a blower B. recycled through a secondary heat exchanger and then vented through a draft diverter C. forced through a type B vent by a blower D. vented by natural convection