Which of the following is true with regard to steel erection?

a. Respirators are never needed when welding.
b. A hot work permit may be required when welding.
c.Welding epoxy-coated surfaces is safer than welding bare metal.
d. Eye protection is not necessary when wearing a welding helmet.


b. A hot work permit may be required when welding.

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A device that is capable of interrupting the flow of electricity in a circuit is a __________.

a. capacitor b. terminal loop c. wirenut d. switch

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The FDA has declared milk from BST-supplemented cows to be _____

A) safe B) harmful C) ineffective D) unhealthy

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The crankcase pressure regulator (CPR) puts a limit on the pressure that can return to the compressor.

Answer the following statement true (T) or false (F)

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The decimal equivalent or the weight of equals

A) 256 B) 32 C) 512 D) 128

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