B Gas Fitters Course Questions and Answers 100% Course
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Course
B Gas Fitters
Institution
B Gas Fitters
B Gas Fitters Course Questions and Answers 100% CourseB Gas Fitters Course Questions and Answers 100% CourseB Gas Fitters Course Questions and Answers 100% CourseB Gas Fitters Course Questions and Answers 100% Course
Pilot turn down test - ANSWER--To Reduce the pilot to a point that will just hold...
Pilot turn down test - ANSWER--To Reduce the pilot to a point that will just
hold in any safeties
-Then attempt to light main burner, must light within 4 seconds for
residential
Base volume index (BVI) - ANSWER-Acts like BPI except it will correct to
selling temperature and pressure
Base pressure index (BPI) - ANSWER-Records Uncorrected volume of gas
consumption
Re calculates and corrects the volume to selling pressure
Incinerating pilot - ANSWER-Similar to aerated pilot
, Primary air passes by the flame to incinerate lint or dust to protect orfice
from being plugged
Aerated pilot - ANSWER-Sharp intense blue flame as a result of pre mixing
air/gas (primary mixing)
Shorter thermocouple lifespan
Intermittent pilot - ANSWER-A pilot which is automatically lighted each time
there is a call for heat and burns the entire period that the main burner is
firing
Standing Pilot - ANSWER-A pilot flame that remains burning continuously
Whether the burner is on or off
Target pilot - ANSWER-Non aerated type , uses secondary air only
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