How do technicians adjust in-shot burners in high-efficiency furnaces?
A) Timers are adjusted. B) Airflow only is modified.
C) Gas pressure only is adjusted. D) Combustion speed is slowed.
C
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____________________is the branch of science that deals with human measurement by describing human size, shape, and other physical characteristics.
Fill in the blank(s) with the appropriate word(s).
Technician A says that electronic service information can be printed out so the technician can make notes on the copy. Technician B says that electronic service information prevents damage to the hardcopy service manuals. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
What is the most common type of sunload sensor?
A) PTC thermistor B) NTC thermistor C) Photo diode D) Potentiometer
. Which of the following means the external devices can be plugged in or unplugged at any time?
A. Open system interconnection B. Ranging C. Parity D. Hot-swappable