The service disconnecting means for a one-family dwelling load calculation must have a rating of at least ____.
A. the calculated load
B. the load for a single unit
C. one quarter the total load
D. one half the total load
Answer: A
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A low-voltage control circuit _____.
a. operates from the load circuit b. is separate from the load circuit c. is never connected to a control transformer d. carries the full-load of the line current
For Example 6.6 (b), if the units of k, A, T1 ? T2, and L, are given in Btu/h·ft·°F, ft2,°F, and ft, respectively, what is the appropriate unit for heat transfer rate q?
What will be an ideal response?
What are the most common types of refrigeration system contaminants introduced because of improper installation?
What will be an ideal response?
The total system response is the sum of the natural and forced responses
Indicate whether the statement is true or false