Quenched and tempered steels:

A) Utilize low-hydrogen electrode welding procedures
B) Generally require elevated preheat
C) Are supplied in heat-treated condition
D) All of the above


D

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A _____ is a substance is known to cause cancer

a. Carcinogen c. Virus b. Pathogen d. Protein

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A packaged heat pump installed in a manufactured home is likely to be located _____

a. on the roof b. on the ground c. on a stand d. in a crawlspace

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The device often used as an electronic switch in many applications is the:

A) SPST. B) diode. C) SCR. D) SPDT.

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The most important factor in giving and receiving feedback is to keep the focus on the job at hand and not on personalities.

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

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