Estimates indicate that the United States has enough coal left to last approximately 1,000 years
Indicate whether the statement is true or false.
F
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A fuel tank expansion chamber is designed to be what percentage of the tank capacity?
A) 10-20% B) 25-30% C) 2-5% D) None of these
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The triac is connected in series with the load.
Answer the following statement true (T) or false (F)
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The most frequently used triggering device is the ____.
A. MOSFET B. SCR C. TRIAC D. DIAC
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Steel and aluminum piping materials are required for use with _____.
a. HFC-407C b. HFC-410A c. ammonia d. HCFC-22
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