List the four types of refrigerant certifications.
What will be an ideal response?
Type 1, Type II, Type III, Universal
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You are looking for information on wiring methods. The best place to begin would be to scan _____.
a. the entire NEC® until you locate the information b. the Informative Annexes for specific information c. the NEC® Table of Contents to find the desired chapter d. NEC Chapter 9 for applicable tables
What are the three major electrical defects that can cause a compressor not to operate?
What will be an ideal response?
A problem with using doorways as ventilation openings is that ______.
a. this technique compromises personnel entry & exit b. it is more difficult to control the ventilation process c. the large opening can admit too much air d. this technique tends to produce churning
Describe the difference between sheet erosion and gully erosion
What will be an ideal response?