Codes require storm drainage systems in all _____.
a. regions with 100-year averages of 3 inches or more
b. private waste disposal systems
c. commercial and residential buildings
d. DWV systems
c. commercial and residential buildings
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Two junction boxes are each located on different walls, 12 inches from the same corner. Given a 90° bend with a take-up of 6 inches and a gain of 2-1/4 inches, what is the developed length of the conduit between them?
a. 8-1/4 inches b. 10-3/4 inches c. 18-7/8 inches d. 21-3/4 inches
Arc heating is used in ____.
A. space heating B. cooking C. welding D. medical applications
Technician A says the hood has two catches—the primary and secondary—for emergencies. Technician B says the hood latch should be the first thing to attach when adjusting the hood. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B
Refrigeration systems are designed to operate year round. For this reason they are equipped with ____.
A. some type of head pressure control B. a low ambient control C. oversized evaporator coils D. both a and b