The component used to control the defrost cycle in a freezer is a ____.
A. contactor
B. relay
C. thermistor
D. timer
Answer: D
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What color code is normally used to identify an acetylene hose on an oxy-acetylene station?
A. red B. blue C. black D. green
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The service consultant using the customer service computer program typically can do which of the following?
A. Create and find a customer file B. Create an estimate, repair order, and invoice C. Look up labor times and identify the parts for the job D. All of the above
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Answer the following statement(s) true (T) or false (F)
Green lumber should be used in construction.
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Protect concrete from freezing for a minimum of ____ after being placed by providing insulation or artificial heat, if necessary.
a.3 hours b.4 hours c.4 days d.4 weeks
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