What is the equivalent length of a 5-in connector with a 90-degree ell?
A) 11 ft B) 7 ft C) 9 ft D) 5 ft
C
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A series circuit has ____ path(s) for current flow.
a. one b. two c. three d. four
What is the main safety concern for any type of gas-fired room heater?
A) The electrical wiring to the unit must be heavy gauge to accommodate a high current draw. B) They are dangerous if used as a drying rack for wet clothing. C) The space where they are installed must have sufficient infiltration to supply the necessary combustion air. D) They will overheat if the ductwork is undersized.
Which fitting would join four pipes together at one joint?
What will be an ideal response?
A matching transformer's primary needs ________ more turns than its secondary to match a 600 ? audio signal distribution line to an 8 ? speaker
A) 75 B) 8.66 C) 0.115 D) 0.013