NATE ICE Residential Oil Heat. Top Questions & Answers. 100% Accurate. VERIFIED.
In regard to the characteristics of an oil flame, oil-burner flame-detection systems make use of the: - -production of heat or visible light.
On a new oil furnace installation, the oil pump pressure is found to...
In regard to the characteristics of an oil flame, oil-burner flame-detection systems make use of the: -
✔✔-production of heat or visible light.
On a new oil furnace installation, the oil pump pressure is found to be 50 psi. Which, if any, of the
following actions should be taken? - ✔✔-increase the pump pressure
On a "no heat" service call for an oil-fired furnace, what is the main safety precaution that the technician
must take before attempting to fire the oil furnace? - ✔✔-check the combustion chamber for liquid oil
On start-up of an oil unit, the technician's smoke test shows the unit to have a #8 smoke. Which of the
following is the correct action that should be taken? - ✔✔-increase primary air
The primary reason for using a barometric draft control on an oil furnace is to maintain: - ✔✔-
appropriate CO2 content.
The secondary voltage on an oil-burner ignition transformer is approximately: - ✔✔-10,000 volts
Upon resetting the primary control, the burner ignites and runs normally for about 45 seconds and then
stops. Which one of the following is the most likely problem? - ✔✔-a dirty or faulty cad cell
What is considered confined space for an oil furnace? - ✔✔-less than 50 cubic feet per 1,000 BTUH
When using a primary control system for an oil burner, what voltage levels feed the control and the
furnace control circuit? - ✔✔-24 volts feed the control and 120 volts feed the control circuit
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