Pre-purge is the the process of energizing the burner blower for a period of time before allowing fuel to enter the combustion chamber. This process is also referred to as __________.
A. motor-off-delay
B. valve-on-delay
Answer: B
Trades & Technology
You might also like to view...
Technician Parker spent 32 of his 40-hour work week answering service calls. What percent of the week was he not?doing service calls?
Fill in the blank(s) with the appropriate word(s).
Trades & Technology
Trauma is psychological stress
Indicate whether the statement is true or false
Trades & Technology
The current relay coil is wired:
A) In series with the start winding. B) In series with the run winding. C) In parallel with the start winding. D) In parallel with the run winding.
Trades & Technology
____ means to present or precondition.
a. Basis b. Bias c. Floor d. Ground
Trades & Technology