Do not use metal ladders when working near live electrical circuits.
Answer the following statement true (T) or false (F)
True
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A career in the conservation and environmental field is _____
a. research scientist b. field biologist c. engineer d. all of the above
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A weld likely will fail testing if the weld contains ____.
A. any slag inclusions B. a long string or large pieces of slag inclusions C. too few slag inclusions D. slag inclusions that are too small
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What are two differences between R404A and R477 (CO2) piping for the same evaporator temperature and system Btuh capacity?
a. R404A piping must withstand lower pressure and is a smaller diameter than R477 b. R477 piping must withstand higher pressure, but has smaller diameter than R404A
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What is 26 out of 87 in percentage?
A) 33.5% B) 61.0% C) 11.3% D) 29.97%
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