what is safety lockout timing firing under 3 GPH Correct Ans-45 seconds
how should a stack control be mounted according to code Correct Ans-not rigidly mounted
why should stack switch not be rigidly mounted Correct Ans-so it can be easily removed
for cleaning and inspection, without disturbing any wiring
what safety devices are found on a gravity burner Correct Ans-a constant level valve, and a
solenoid valve
when is a tank vent pipe required Correct Ans-on all tanks
what must be done after an installation has been completed Correct Ans-a certificate of
completion must be submitted
where are certificates of completion submitted Correct Ans-local fire department
what is the time limit for submitting a certificate of completion Correct Ans-72 hours,
excluding weekends and holidays
what is on a certificate of completion Correct Ans-Name of burner
Approval number issued by Marshall
Grade of fuel oil used
Size of tank in gallons
Any special requirements that pertain to the installation
Assurance of compliance with regulations
Assurance that proper maintenance instructions have been left with the owner or occupant
, Oil Burners State test Questions and Answers
Name and address of the owner or occupant of the premises where the installation or
alteration was made
Results of combustion efficiency test and nozzle size
what kind of joints are used on tank installations Correct Ans-swing joints
why are swing joints used Correct Ans-to allow for movement or settling without pipe and
tank damage, and to enable the pipe to pitch back towards tank
what is the minimum distance that a burner must be from a tank Correct Ans-5 ft
how many gallons of oil may be stored without a permit Correct Ans-10 gallons
how much outside or replacement air is needed in a confined space Correct Ans-140
square inch top and bottom per gallon per hour
how much outside of replacement air is needed in a boiler room of tight Construction
Correct Ans-28 square inches per gallon per hour
what is a flame detector Correct Ans-a device that senses Flame thermally or visually
what is the purpose of a heat anticipator Correct Ans-prevent overheating of the home
explain two different types of differentials used by thermostats Correct Ans-mechanical
differential is the operation of the Helix, turning the Appliance on and off
electrical differential is the operation of the anticipator preventing overheating