Verified Answers
\.Flash point of #2 fuel oil is? - ANSWERS✔-100
\.Ignition point of #2 fuel oil is? - ANSWERS✔-500
\.What is the BTU content of #2 fuel oil? - ANSWERS✔-140,000
\.What brand of oil burner has a fixed retention head? - ANSWERS✔-Beckett
\.Where is the retention ring mounted on an adjustable head oil burner? -
ANSWERS✔-Nozzle assembly
\.Organization that publishes oil specifications - ANSWERS✔-ASTM
\.The key final adjustment for most burners is? - ANSWERS✔-Combustion Air
\.What happens to the flow rate at the nozzle when fuel temperature decreases? -
ANSWERS✔-Increases
, \.Modern oil burners operate with what CO2 levels ________%? - ANSWERS✔-10-
13%
\.Corrosion is formed in the flue pipe when? - ANSWERS✔-Flue gas temperature is
below the dew point
\.What term measures electrical current? - ANSWERS✔-Amp
\.Normal limit control circuit voltage of a heating system is? - ANSWERS✔-120v
\.What are the normal colors of the load carrying conductors? - ANSWERS✔-Red,
Black, Blue, Orange
\.Maximum length of unsupported FMC is? - ANSWERS✔-3'
\.Maximum amperage of a #14 awg conductor is? - ANSWERS✔-15
\.Ground wires are usually what color? - ANSWERS✔-Green and Bare
\.When testing electrical circuits for a complete path of current what is the term? -
ANSWERS✔-Continuity
\.OHMS represents what electrical term? - ANSWERS✔-Resistance