The inducer in a condensing furnace runs, but the burners will not light. One possible cause is _____
a. an undersized inducer
b. an open 24V transformer
c. an oversized chimney
d. snow blocking the air intake
d
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What are solid plates or covers that are installed between pipe or equipment flanges to prevent the flow of fluids and to isolate equipment or piping sections when repairs are being performed?
A. Hoses B. Gaskets C. Blinds D. Expansion loop
The repair order log keeps track of ________.
A) Lost parts B) Future appointments C) Vehicles that are currently in the shop D) Vehicles that have been picked up
Aluminum screening can be considered a more environmentally friendly product than flexible ____, which is coated with soft PVC that is manufactured with harmful phthalates.
A. copper B. steel C. fiberglass D. composition
The accuracy of a(n) __________ is altered by atmospheric pressure fluctuations.
A. gage pressure measurement B. absolute pressure measurement