As the number of parts that make up a weldment ____, the problem of compounding the errors ____.
A. increases, decreases
B. increases, stays the same
C. increases, increases
D. decreases, stays the same
Answer: C
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Vinyl gaskets are used as _____ gaskets.
a. high-temperature b. severe service c. oil-resistant d. fireproof
The danger zone of food temperatures where bacterial pathogens can multiply is
A) 40 to 140 F B) -40 to 0 F C) -10 to 20 F
In GTA welding, the torch may be angled ____ for better visibility.
A. perpendicular to the work B. 0 to 15 degrees from perpendicular C. 15 to 30 degrees from perpendicular D. 30 to 45 degrees from perpendicular
What is specific humidity?
A) the relative humidity for any particular air sample B) the humidity level required for a particular application C) the weight of water in each pound of dry air, measured in grains D) the amount of water in the air compared to the amount of water the air could hold