What control replaced the stack switch in the more current oil furnace?
What will be an ideal response?
Computerized control boards.
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AC vent temperature at the center outlet should be ________.
A) 45°F–55°F (7°C–13°C) B) 35°F–45°F (2°C–7°C) C) 55°F–65°F (13°C–18°C) D) 25°F–35°F (4°C–2°C)
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Vertical dimensions above a common datum are ___________
Fill in the blank(s) with correct word
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A half section is used typically for symmetrical objects; the cutting-plane line actually cuts through one quarter of the part. The sectional view shows half of the interior and half of the exterior at the same time.
Answer the following statement true (T) or false (F)
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?Under stagnation conditions, fluid in the collector may vaporize.
Answer the following statement true (T) or false (F)
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