A coating of aluminum on steel panels provides longer-lasting protection than zinc because it _____.
a. is not water soluble
b. can be applied more evenly
c. reflects damaging heat
d. does not oxidize
Answer: A
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When turning off the electrical power at a disconnect panel to work on an electrical circuit, what should you do to ensure that no one will turn the power on until you have finished and are ready?
What will be an ideal response?
The process of removing heat from a place where it is not wanted and transferring that heat to a place where it makes little or no difference is known as ____.
A. cooling B. refrigeration C. defrosting D. temperature balancing
The primary function of ____________________ bones is to absorb concussion.
Fill in the blank(s) with the appropriate word(s).
Which of the following is used for piping natural gas?
A) Copper B) Galvanized iron C) White iron D) Black iron