A reliable means of identifying an unknown plastic is to make a weld rod adhesion test or a trial-and-error weld on a hidden or damaged area of the part.
Answer the following statement true (T) or false (F)
True
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A 30% water and 70% antifreeze is the maximum mixture that should be used.
Answer the following statement true (T) or false (F)
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There are two types of electric currents that can be produced by generators, alternating current or AC, and direct current or DC
Indicate whether the statement is true or false.
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What are the relative humidity limits recommended for residences?
A. 20% to 40%. B. 30% to 50%. C. 40% to 60%. D. 50% to 70%.
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Technician A says that a drill is usually needed to remove a rivet. Technician B says that the most common rivet is a pop rivet. Which technician is correct?
A) Technician A B) Technician B C) Both technicians D) Neither technician
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