When there is an elbow in fiberglass duct, a hanger must be placed within _____
a. 12 inches of the elbow throat
b. 12 inches of the connection to the straight duct
c. 18 inches of the elbow throat
d. 18 inches of the connection to the straight duct
a
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What is the riser on a set of stairs?
What will be an ideal response?
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Each ________ word refers to one sample of an analog waveform
Fill in the blank(s) with correct word
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Polling ________
A) is more efficient than interrupt-driven processor operation B) has the processor operate normally until a device signals that it requires servicing C) requires the processor to periodically check each device to see which if any of them require servicing D) none of the above
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The type of stone preferred for sill blocks is _____ stone.