For calculating the heat gain from appliances, the guideline typically applied to a house with only a refrigerator and a vented cooking surface is ____ Btu/h.
A. 600
B. 1200
C. 2400
D. 3600
Answer: A
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Flex duct is easy to install, quiet, but has higher ________ than all other forms of duct material
A) installation cost B) efficiency ratings C) energy loss D) resistance to airflow
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Dashed lines are used to show drawing features that are not visible in relationship to the view or plan.
Answer the following statement true (T) or false (F)
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Describe a multiwire branch circuit.
What will be an ideal response?
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If the voltage source of a series circuit decreased by half and the circuit resistance remained the same, the total current would ____.
A. decrease to zero B. decrease by half C. double D. remain the same
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