Gas Part B Flashcards
Q: What are the 3 main components all regulators share.
A: Loading Force, Sensing Mechanism and, restriction.
Q: Difference between a low and high capacity regulator.
A: High capacity has no turns (straight threw)
Q: How many variable type of regulators are there and what pressure can they be set to.
A: 2 and 3” to 6” and 2” to 5”
Q: How much electrical energy does a thermocouple produce.
A: 20-30mVDC
Q: The pilot flame should contact what portion of a thermocouple.
A: The first 3/8- ½ of an inch.
Q: How many DC Volts and amps does a spark ignitor use.
A: 15000VDC and 4mA.
Q: How hot is a glow bar and how many amps of current are flowing threw it when the gas valve is open.
A: 2650F and 3.2-3.6A.
Q: When preforming a drop out test, afte the pilot flame is extingusised what is the max length of time it should take for the burner to drop out or close.
A: 3min
