A customer complains that the heated steering wheel is not working. Which of these could be the cause?
A) Vehicle inside temperature above 32°C
B) Loose horn buttons
C) A 0.150 volt drop on the ground wire
D) None of these
A) Vehicle inside temperature above 32°C
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Oil separators work on the principle of low refrigerant and oil velocity.
Answer the following statement true (T) or false (F)
Two technicians are discussing vacuum brake boosters. Technician A says that a low, soft brake pedal is an indication of a defective booster. Technician B says that there should be at least two power-assisted brake applications after the engine stops running. Which technician is correct?
A) Technician A only B) Technician B only C) Both Technicians A and B D) Neither Technician A nor B
The refrigerant metering device used on most PTAC units is
A) The thermostatic expansion valve B) The low side float C) The electronically controlled stepper motor expansion valve D) The capillary tube
Which one of the following statements about the Allen-Bradley PLC memory structures and addressing is NOT true?
A) The SLC 500 input module location dictates a part of the input instruction address. B) There are two different systems: rack/slot-based systems and tag-based systems. C) The SLC 500 uses the rack/slot address—based system with data files and program files. D) The Logix system permits either rack/slot- or tag-based addressing.