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JOURNEYMAN OIL BURNER PRACTICE QUESTIONS AND ANSWERS #13.
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JOURNEYMAN OIL BURNER PRACTICE QUESTIONS AND ANSWERS #13.
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JOURNEYMAN OIL BURNER PRACTICE QUESTIONS AND ANSWERS #13The cross connection between two supply tanks shall not exceed? - correct answer 660 gallons
When is an automatic draft control not required? - correct answer When the equipment is designed to control the draft.
Combustion performance testing can indicate: - correct answer Improper air oil mixture, too much combustion air, and low pump pressure.
If a second oil-burning appliance is installed in a single chimney, you must insure: - correct answer Sufficient draft is available for safe operation of all connected equipment.
Delayed ignition can be caused by: - correct answer Weak ignition transformer
You should replace the oil burner nozzle with: - correct answer The manufacturers recommended nozzle spray pattern and spray angle.
Viscosity problems can be corrected by: - correct answer Decreasing the nozzle size and increasing the pump pressure accordingly
The minimum operating pressure of an oil pump is: - correct answer 100 PSI
If a stack relay fails you, must? - correct answer Replace it with an approved type controller
Aquastats are normally found on what type of heating systems? - correct answer Hydronic
Airstats are found on what type of heating systems? - correct answer Forced warm air systems
Under sized returns on a warm air system can result in what? - correct answer Short cycling of the oil burner
Incorrect nozzle selection in regards to gallon per hour, can result in what problems in a steam system? - correct answer Some radiators not heating quickly enough
Low boiler water temperature in a hydronic hot water system may be caused by? - correct answer Undersized oil burner nozzles
Delayed opening oil valves are used to? - correct answer Allow oil pump to come up to speed
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