Oil Burner License EXAM Questions & Answers |
100% Verified solutions | Latest!!
Save
Practice questions for this set
Learn 1 /7 Study with Learn
Terms in this set (64)
Rotary burners Operate with low pressure gravity
2 stage oil pump Draws completely air free oil in second stage
Fails to prime when the Inlet vacuum is greater than
Fuel pump
15" vacuum
Stack thermometer Measures flue gas temp and ranges from 200/1,000°F
Delayed ignition Caused by electrode problem
Nozzle spray angle range 30° to 90°
from
, Air enters heating system From draft tube, to turbulator, to combustion chamber
High carbon dioxide Caused by insufficient draft or overfired burner
content is
Malfunctions in heating Cause primary safety control to increase resistance
system across cad cell until burner shuts off
Hollow cone spray More stable during operation under same
pattern advantage conditions/flow rate
Oil tank located above Zero
burner and is gravity fed
oil shows a vacuum gauge
reading of
Fuel pump located on left side of burner
Gun type oil burner Have high operating costs
Step up transformers Are used to ignite fuel oil
Gives twisting motion to air stream before striking oil
Turbulator
spray
Single stage pumps are Recommended up to 3" vacuum
Hollow cone spray Recommended in smaller burners
pattern nozzles are
2 stage fuel units Eliminates all air from being delivered to nozzle
Solid cone pattern Not recommended for oil burners firing 2.0 or 3.0 gph
nozzles are
Recommended for round or square combustion
70° to 90° spray angles
chambers
Oil burner nozzles Are selected on basis of spray angle produced
Excessive draft Reduces percentage of carbon dioxide in flue gases
Completely burn fuel oil using less amounts of air
Efficient oil burners
necessary for combustion
100% Verified solutions | Latest!!
Save
Practice questions for this set
Learn 1 /7 Study with Learn
Terms in this set (64)
Rotary burners Operate with low pressure gravity
2 stage oil pump Draws completely air free oil in second stage
Fails to prime when the Inlet vacuum is greater than
Fuel pump
15" vacuum
Stack thermometer Measures flue gas temp and ranges from 200/1,000°F
Delayed ignition Caused by electrode problem
Nozzle spray angle range 30° to 90°
from
, Air enters heating system From draft tube, to turbulator, to combustion chamber
High carbon dioxide Caused by insufficient draft or overfired burner
content is
Malfunctions in heating Cause primary safety control to increase resistance
system across cad cell until burner shuts off
Hollow cone spray More stable during operation under same
pattern advantage conditions/flow rate
Oil tank located above Zero
burner and is gravity fed
oil shows a vacuum gauge
reading of
Fuel pump located on left side of burner
Gun type oil burner Have high operating costs
Step up transformers Are used to ignite fuel oil
Gives twisting motion to air stream before striking oil
Turbulator
spray
Single stage pumps are Recommended up to 3" vacuum
Hollow cone spray Recommended in smaller burners
pattern nozzles are
2 stage fuel units Eliminates all air from being delivered to nozzle
Solid cone pattern Not recommended for oil burners firing 2.0 or 3.0 gph
nozzles are
Recommended for round or square combustion
70° to 90° spray angles
chambers
Oil burner nozzles Are selected on basis of spray angle produced
Excessive draft Reduces percentage of carbon dioxide in flue gases
Completely burn fuel oil using less amounts of air
Efficient oil burners
necessary for combustion