Pilot burners, thermal couples, thermal piles Flashcards
1
Q
Name three main designs of pilot burners
A
Non-aerated
Aerated
Post aerated
2
Q
What is the primary function of a pilot?
A
To effectively ignite mean burners
3
Q
What is the secondary functional pilots?
A
flame failure
4
Q
Define standing pilot
A
Constant flame never goes out
5
Q
Expanding pilot
A
Small flame expands to a bigger flame when ready for ignition
6
Q
Intermittent pilot
A
The flame automatically ignites when cold for heat stays on till done
7
Q
What is the most common problem associated with orange flame?
A
Dirt to dust, or impurities in the air combustion
8
Q
What is required by thermocouple on open circuit reading it exceeds 32 mV
A
Reduce pilot flame
9
Q
Thermocouple reading 30 mV to 15 mV indicates what
A
Acceptable
10
Q
Hey thermal pile is connected in what
A
Series
