Maine State Journeyman Exam up to 15gph | questions and answers

Maine State Journeyman Exam up to 15gph | questions and answers How many apprentices can a journeyman directly supervise? - 2 When performing any service work on a customers heating system the licensee must notify the homeowner of? - Efficiency and code violations Can a licensed journeyman perform a cleaning on wood/oil combination unit without direct supervision? - No When installing a furnace, direct wired water heater or boiler what must be done prior to placing it in service? - Everything complies with NFPA 31 code When installing a new oil burner the _______ must be brought into compliance with the rules of the board before ______? - Wiring Start up When an emergency situation arises that does not allow adequate time to get the chimney lined/repaired before installing the new heating appliance what can be done? - 90 day waiver Who is responsible for ensuring repairs or the chimney is lined within the 90 days? - InstallerLicensee When is a heat loss required? - For new install Prior to a boiler replacement a________ or a ________ Must be conducted before replacement of an existing system. - Heat loss/ heat load The low-water cut off must be located where? - 6 inches above boiler crown sheet but in no case below An oil supply or return line under cement subfloor or earth must be ________ And without ________? - Sleeved Fittings (continuous) Coated copper tubing must have _______ Installed at the tank when ________? - OSV Underground Whenever an outlet of an oil supply tank is located more than ______ above the burner a _____ or _____ valve is required. - 4ft OSV or PRV Unprotected lines that are buried or grouted must be? - removed from service All fuel supply tanks must be a minimum of _____ From any gas and or solid fuel burning appliance - 5ft If a customer is converting to an alternative fuel and leaving the oil tank what must be done? - Vent pipe left in place fill pipe removed and plugged supply lines removed and plugged Outside oil tank supports shall not be _______? - Wood What is the required thickness of the vertical oil tank pad? - 3 inches of solid concrete When are shims allowed to be used on oil tank legs? - Never Oil tanks must be disposed of in accordance with? - DEP What are two options for supporting in inside oil tank on unfinished floors? - 3" Cement padssolid concrete blocks When are vent alarms required on inside oil tanks? - Always on all tanks 11-5,000 gals If the entrance to the boiler room is only accessible from the outside the ____________ may be placed _________? - Emergency switch. At the inside not more than 1 foot away from the door When can residential warm air heat exchangers be welded for a repair? - Never What is appendix A of the Maine fuel code? - DEP Spills What is required to be filled out when a chimney waiver is needed? Who must sign? - Installer and consumer signature What is the maximum size of mini split heat pump a journeyman technician may install in a one and two family dwelling - 36,000 BTU max What size vent is required for waste oil tank? - 2 inch If an oil line passes through a wall what must be installed? - Thermally actuated valve How far away from a water heater connection before a pex pipe connection can be made? - 18 inches How far off the floor should a relief valve be piped? - 6"-12" What must be installed within 18 inches of a water heater? - Expansion tank A water system containing storage of hot water shall have a _________ relief valve - Pressure/temperature Where on water supply piping are unions required to be installed? - Within 12" What type of furnace is used in a manufactured home? - Downflow What secondary voltage is a transformer at for low-voltage use? - 24 volt What is the secondar