The smallest identifiable group of atoms is the ____________________.
Fill in the blank(s) with the appropriate word(s).
unit cell
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(-5)(10)(-2)(4) = ____.
A. 400 B. -400 C. -80 D. 50
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?When would a portable fan be needed?
A. ?Anytime you are welding outside of a welding shop. B. ?When the shop ventilation is not enough to blow away the welding fumes. C. ?When you are welding around others to blow away the extra heat. D. ?When you are making a GTA weld on thick stainless steel piping.
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NEC Article 240 covers which of the following?
a. Nontime-delay fuses b. Ampere rating c. Overcurrent protection d. Plug fuses
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A cylindrical tank is 10' long and has a 4.5' inside diameter. If it is full to 1/3 of its diameter, how many gallons of water does it hold?
Fill in the blank(s) with the appropriate word(s).
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