The terminal and wire resistance values are critical in electric furnaces because the large current draw from the strip heaters:
A) Causes electro radiation.
B) Increases if the overall circuit resistance increases.
C) Turns even small resistances into heat that accelerates oxidation.
D) Causes arcing to ground at connections with a high resistance.
C
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The air we breathe is mostly oxygen.
Answer the following statement true (T) or false (F)
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Evaluate: 52 × (16 × 3 - 12) ÷ 8
Fill in the blank(s) with the appropriate word(s).
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When evacuating a refrigeration system, what is the easiest way to tell if all the liquid refrigerant has left the system?
What will be an ideal response?
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Which of the following is not one of the five categories of soil parent material?
A) glacial deposits B) loess deposits C) layer deposits D) organic deposits
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