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
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
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
What is 26 out of 87 in percentage?
A) 33.5% B) 61.0% C) 11.3% D) 29.97%