Which of these technologies is NOT used in 80 percent furnaces?

A) Adding a condensing recuperative coil B) Flattening and serpentining heat exchangers
C) Adding induced draft combustion blowers D) Removing standing pilot lights


A

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There are about half the number of dairy cows in this country than there were in 1950 but about the same amount of milk production

Indicate whether the statement is true or false

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UF is the abbreviation for ____________________

Fill in the blank(s) with correct word

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Through how many thimble rotations must a metric micrometer be turned to make the spindle move exactly 1.25 mm?

A. 1.25 B. 1.50 C. 2.25 D. 2.50

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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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