Flex duct is easy to install and quiet but has higher ________ than all other forms of duct material
A) efficiency ratings B) installation cost
C) energy loss D) resistance to airflow
D
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Explain what a cool roof is, and state its advantages and limitations.
What will be an ideal response?
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____ are detailed methods for implementing rules in everyday activities.
a. OSHA regulations b. Policies c. Procedures d. Company processes
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The depth of cut for a finish cut should be approximately ________ of an inch?
A) .005 B) .020 C) .060 D) .080
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What is commonly done when a drop-in refrigerant is placed in operating equipment?
A) A crankcase heater is installed. B) The oil is replaced. C) A leak-detecting dye is added. D) The refrigerant piping is replaced.
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