Massachusetts Oil burner Exam Bundle (Graded A)

The cross connection between two supply tanks shall not exceed? - Answer- 660 gallons When is an automatic draft control not required? - Answer- When the equipment is designed to control the draft. Combustion performance testing can indicate: - Answer- Improper air oil mixture, too much combus...

What is the voltage found at the TT terminals - Answer- 24 volts What are the 8 steps of a no heat call - Answer- 1 talk to customer 2 check tt.3 check to make sure an emergency switch is on 4check to make sure there is oil in the tank 5 check to make sure the main power going to the unit is on s...

Air Heater. - Answer- . An indirect-fired appliance intended to supply heated air for space heating and other purposes, but not intended for permanent installation. Air pressure switch . - Answer- An electrical switch designed to prove that the proper draft has been established by the power vente...

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut t...

Max safety timing on a primary control - Answer- 15 seconds Safety control circuits shall be - Answer- 2-wire, one side grounded, with nominal voltage not exceeding 150v Crankcase/used oil may only be used in - Answer- Commercial/industrial setting. Or in a appliance specifically designed to d...

Cast iron fittings can be used in heating fuel systems? - Answer- False Tank vent shall terminate - Answer- Within 12 feet of the fill and visible from the fill Tanks exceeding 330 gallons must have - Answer- Top supply connection Fuel return piping from an appliance shall - Answer- Enter t...

What is a cad cell? - Answer- Visual flame detector What does "in-step" mean? - Answer- The primary control start circuit is closed What is the voltage found at the TT terminals? - Answer- 24 volts What are the 8 steps on a no heat call? - Answer- Main fuse, oil burner fuse, customer emer...

The main function of the primary control is: - Answer- Locking out on safety in the event of flame failure Power must be provided to an electric blower control board on terminals: - Answer- L1 and L2 Once a PSC motor starts - Answer- The centrifugal switch turns off the electricity to the capa...

What is the formula used to determine the cubic feet of air required for proper combustion? - Answer- GPH x 1540 x 1.25 What determines the nozzle angle used? - Answer- The air pattern and the chamber size/shape What is the position of the blast tube in the chamber? - Answer- 1/4" behind the ...

the board of fire prevention regulations established under section 14 of chapter 22 - Answer- Board a combination of any materials, whether portable or fixed, having a roof, to form a structure for the shelter of persons, animals, or property. for the purpose of this definition, "roof", shall i...

how should an oil tank be supported - Answer- Ridgid non-combustible supports to prevent settling, sliding, or lifting what is the wire gauge used on oil burner circuits - Answer- 14 gauge minimum how is an oil burner wired - Answer- oil burners are wired intermittent or interrupted what do...

What are 2 ways the fuel flow rate is set on an oil burner? - Answer- Nozzle, size and oil pressure. List three things needed for ignition? - Answer- Fuel, air and spark. Flame Retention Burners have what advantage over Non Flame Retention? - Answer- Better air to oil mixture and cleaner burni...

When a new burner is installed, what wiring must also be updated? - Answer- Breaker, properly rated wiring, properly installed and located emergency switch, properly installed and located thermal electric switch, properly installed and located service switch and properly installed and located low wa...

In an electric circuit for the wattage to remain the same if the voltage drops, the amperage must - Answer- Increase Atomizing type burners were designed to burn which type of fuel - Answer- Type 2 fuel oil Pour point problems with outside above ground fuel tanks can be partially relieved by -...