Technician A says that an oxygen sensor can have one, two, three, four, or more wires, depending on the style and design. Technician B says that if the exhaust has little oxygen, the voltage of the oxygen sensor will be close to 1 volt (1000 mV) and close to zero if there is high oxygen content in the exhaust. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
C
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A relatively new method of joinery is the use of wood ____________________
Fill in the blank(s) with the appropriate word(s).
When during troubleshooting should the wiring diagram be referenced?
A) before checking the power supply B) before touching the unit C) after grounding the pilot burner D) after checking the thermostat
The easiest way to draw multiple ellipses with a constant difference between the major axis and minor axis is
the _____. a. string method b. trammel method c. three-center method d. five-center method
The controlled variable must deviate from the set point in an on/off controller to cause controlled action to occur.
Answer the following statement true (T) or false (F)