Traditionally sewer pipes were cast iron and supply pipes were galvanized iron or ____.
A. steel
B. PVC
C. cast iron
D. aluminum
Answer: A
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Name at least three of the items typically indicated by symbols on site plans.
What will be an ideal response?
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In an AC capacitive circuit:
A) Current leads voltage. B) Current lags voltage. C) The voltage and current are in phase. D) Voltage leads current.
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What do modern electronic thermostats use to sense temperature?
What will be an ideal response?
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What must be done to stop the flow of water to all sprinklers?
A. crimp the piping in the riser B. close the fire department connection outside C. close the sprinkler control valve D. deactivate the water flow alarm
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