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.
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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
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Gregor Mendel developed his inheritance theories by observing which of the following?
a. grape vines c. garden peas b. fruit trees d. day lilies
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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
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