Answer the following statement(s) true (T) or false (F)
A contactor may or may not contain auxiliary contacts.
ANSWER: True
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Give one location where an RPZ backflow preventer should not be installed.
What will be an ideal response?
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____ hardware for lumber mostly consists of nails, but other fasteners and such items as joist hangers may also be required.
A. Rough B. Finish C. Shop D. Standard
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Which part will need to be cleaned if there is excessive soot buildup?
A) Oil tank B) Bypass plug C) Suction line D) Chimney connector
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Large rooftop package AC units often use ________ to help draw in fresh air to meet code requirements and to cool if temperature and humidity permit
A) an economizer B) airflow C) enthalpy D) low pressure
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