The amortisseur winding provides good starting torque and a relatively high starting current.
Answer the following statement true (T) or false (F)
False
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¿De qué material estaría hecho el tubo de entrada al sistema de plomería de agua fría?
a. Plástico b. Acero galvanizado c. Hierro fundido d. Acero inoxidable
On a system with a fixed metering device, an excessive amount of oil in the system can cause _____.
a. a shortage of refrigerant in the evaporator b. excessive lubrication c. low superheat values d. refrigerant floodback
Answer the following statement(s) true (T) or false (F)
1.Nonmetallic sheathed cable is permitted to be installed in a raceway. 2.Electrical metallic tubing (Type EMT) must be secured within 30 inches of every outlet box, junction box, cabinet, and conduit body. 3.The NEC® considers horizontal runs of Type EMT supported by openings through framing members at intervals not greater than 10' and securely fastened within 3 feet of termination points to be properly supported. 4.The securing and supporting requirements for Type FMC are the same as those for Type NM cable. 5.Schedule 80 rigid PVC conduit has a larger inside diameter than Schedule 40 rigid PVC conduit.
Purging refrigerant lines with nitrogen during their installation prevents _____
a. acid formation b. overheating c. copper oxide formation d. corrosion buildup