Any fixed or stationary electric sign that is installed within a fountain must be at least how many feet inside the fountain, as measured from the fountain’s outside edge?
a. 5 feet (1.5 m)
b. 6 feet (1.8 m)
c. 7 feet (2.1 m)
d. 8 feet (2.4 m)
a. 5 feet (1.5 m)
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Answer the following statement(s) true (T) or false (F)
The symbol for a limit switch illustrates a ball float.
Where are overcurrent protective devices normally installed in a branch circuit?
a. At the circuit load b. Where the conductors receive their supply c. At circuit devices only d. At the supply transformer only
Gregor Mendel developed his inheritance theories by observing which of the following?
a. grape vines c. garden peas b. fruit trees d. day lilies
If an R134a system has suction pressure of 20 psig and a suction line temperature of 46° the evaporator is _____________.
a. Flooding b. Starving c. Operating properly d. Need more information