Which of the following is the primary cause of corrosion in ferrous piping systems?
A) Alkalinity.
B) Oxygen.
C) Calcium salts.
B) Oxygen.
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What are the advantages and disadvantages of deep-cycle lead antimony batteries?
What will be an ideal response?
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Identify the type of weld created when one piece is square and the other piece has a beveled surface.
What will be an ideal response?
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A frequency ________ is a circuit that can measure and display the frequency of a signal
Fill in the blank(s) with correct word
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The form used to report work-related injuries and illnesses is _____
a. DOT Form 75 b. OSHA Form 300/300A c. IRS Form 1040A d. OSHA Form 301
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