Give a pre-start checklist when checking a newly installed oil furnace
What will be an ideal response?
That the correct nozzle size has been selected for desired input rate. All shipping supports are removed.
Power wiring is properly connected. Control wiring is properly connected. Blower access door is secured in place. Valve on the oil supply line is open.
Reset button on the primary control is pushed down.
Flame observation door and all cleanout access covers are closed. The thermostat is set to HEAT at a temperature higher than the room.
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To help prevent condensation, some vertical seals are designed with ____.
A. fiber dams B. conductors C. drain plugs D. horizontal seals
Arrange these events in chronological order: (A) Boston Massacre, (B) Townshend Acts, (C) Tea Act, and (D) Intolerable Acts.
A. A, B, C, D B. D, B, C, A C. C, B, D, A D. B, A, C, D E. A, C, D, B
This question is based on the following five alternatives that are evaluated by the rate of return method.
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If the alternatives are mutually exclusive and the MARR is 15% per year, the alternative to select is:
(a) Either B, D, or E
(b) Only B
(c) Only D
(d) Only E
The line that connects the condenser to the metering device is called the:
A) Liquid line. B) Discharge line. C) Suction line. D) Condensate line.