Why is carbon monoxide production undesirable in furnace operation?
A) Carbon monoxide can cause illness. B) Carbon monoxide is an inert substance.
C) Carbon monoxide causes furnace inefficiency. D) Carbon monoxide may block ventilation.
A
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In a right triangle, a and b represent legs and c represents the hypotenuse. Determine the measure of side a if b = 84.5 in and c = 110.2 in. Express the answer to the nearest tenth inch.
Fill in the blank(s) with the appropriate word(s).
Some of the commonly used details in the plumbing section are _________ heater piping details.
Fill in the blank(s) with the appropriate word(s).
How many millimeters are there in one meter?
a. 10^2 b. 10^3 c. 10^-2 d. 10^-3
If the rung condition of a timer-on instruction becomes false before AC=PR, the accumulator value __________.
A. freezes B. resets to zero