Post-purge is the process of keeping the burner blower energized for a period of at the end of the heating cycle. This process is also referred to as __________.
A. motor-off-delay
B. valve-on-delay
Answer: A
Trades & Technology
You might also like to view...
In which situation is the open space provided by a courtyard within a building not considered as "frontage" by a building code?
Trades & Technology
____________________ is an internally toothed ring gear.
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
The step in the repair process where the customer is questioned to verify what their concerns are is _____
A) Traffic jam B) Quality assurance C) Appointment D) Work performance
Trades & Technology
The shaft support shown in the accompanying figure is an example of a machine part that can be sketched easily by ____.
A. reduction B. blocking C. estimating D. inversion
Trades & Technology