Lo más probable es que el revestimiento con chapa de metal se instale sobre el aislamiento en _____.
a. calderas
b. conductos de humo
c. precipitadores
d. Todos los anteriores
d. Todos los anteriores
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For exterior mortar, an integral type water proofer should be added to the mortar mix.
Answer the following statement true (T) or false (F)
A system or circuit conductor that is intentionally grounded is called a ____.
a. conductive path b. circuit fault c. current path d. grounded conductor
When verifying a straightness tolerance applied to surface elements, what are the three separate requirements that must be checked?
What will be an ideal response?
Why should the temperature inside the compressor be kept under 300°F?
A) Because the compressor oil starts to break down above 300°F B) Because the metal components inside the compressor will start to melt C) Because the refrigerant starts to fractionate above 300°F D) Because the refrigerant starts to boil inside the compressor above 300°F