When is insulation required on air ducts?
What will be an ideal response?
If the air temperature is 15°F different from the air in the duct.
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You can increase the gross profit percentage of your shop by ________.
A) Improving the mix of your technician skill/pay levels B) Putting your technicians on the support group system C) Putting your technicians on the team system D) All of the above
What are five major criteria used in the selection of a cultivar?
What will be an ideal response?
A(n) ____________________saw has fine teeth and a stiff metal back
Fill in the blank(s) with the appropriate word(s).
What prevents cold air from being circulated to the heated space during the defrost cycle?
A. The auxiliary heater turns on to "temper" the air. B. All of the dampers close automatically. C. The indoor fan motor turns off. D. Both a and b are correct.