Questions and Answers 100%
Accurate
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 combustion air, and low pump pressure.
If a second oil-burning appliance is installed in a single chimney, you must
insure: - ANSWER-Sufficient draft is available for safe operation of all
connected equipment.
Delayed ignition can be caused by: - ANSWER-Weak ignition transformer
, You should replace the oil burner nozzle with: - ANSWER-The manufacturers
recommended nozzle spray pattern and spray angle.
Incorrect nozzle selection in regards to gallon per hour, can result in what
problems in a steam system? - ANSWER-Some radiators not heating quickly
enough
Low boiler water temperature in a hydronic hot water system may be caused
by? - ANSWER-Undersized oil burner nozzles
Delayed opening oil valves are used to? - ANSWER-Allow oil pump to come
up to speed
An advantage of flame retention burner is - ANSWER-Their high static
pressure enables boilers and furnaces with tighter more efficient heat
exchange passages
The key final adjustment for most oil burners is - ANSWER-Combustion air