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Oil burners Exam Help2


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3.Temp at which all thermal switches and valves trip
4.Next to last component of the nozzle oil travels through
5.Temp at which flue gases will start to condense
6.A cast-iron boiler that is dry fired could _____
11.Btu's in 1 gal. of fuel oil
13.Key final adjustment for most oil burners
14.A cause of pulsating oil pump pressure and a pulsating fire is air leaks in the ______ line
15.A stack switch requires ______ conduit
16.Type of furnace that requires plastic piping and acidic protection
17.To convert a oil pump to a two pipe system an internal ______ plug must be installed
18.The difference between cut-in and cut-out of an oil pump
22.Contains the flame and maintains a burn (combustion -what-)
24.UL standard for storage tank above 660 gal
26.Minimum gauge oil tank
29.The combination of elements found in fuel oil
32.Material used for oil supply and return lines
34.Installed to remedy high viscosity
35.Fuel introduced to the combustion chamber before ignition (type of ignition)
37.The name of the lowest temp at which vapors in air above fuel ignite for short period of time when exposed to flame
40.Service switch must be within how many feet of the burner
42.Oil burners that produce smoke also produces ____
43.UL standard for storage tank 660 gal or less
1.Two problems a vacuum test will reveal is air leas and ______ in the pipe
2.Draft ______ when its hotter outside
3.Maximum allowed voltage for an oil burner circuit
5.The flow rate on the nozzle is based on ___ psi
7.Type of fuel delivery set-up that requires a check valve on the supply line of an oil tank
8.Minimum distance from burner to tank
9.The lower end of the vent pipe may never extend more then how much into the tank
10.Used to get the proper amount of air flow through the burner
11.Lock out time of a burner firing 3.1-20 gph
12.Joints that allow movement in the piping
19.As more air is added to the fire, the draft reading ______
20.Distance above grade vent pipes must be
21.Lockout time of a burner firing less than 3GPH
23.The flash point of #2 fuel oil
25.Outside tanks must be protected by atmospheric corrosion and ______ damage
27.Amount of time fire restive assemblys must protect tanks
28.Finest mesh screen size allowable on a vent pipe
30.Increasing the fuel pump pressure will ______ the flow rate
31.Minimum distance above grade for vent pipes
33.About 21% of air is made up of this
36.Maximum length of flexible conduit that can be used on an oil burner
38.Changing what pressure changes the GPH of the nozzel
39.Type of boiler that requires a low water cut-off
40.Minimum size oil line
41.Where should return lines be connected to the tank

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