After aluminum coupons and backings have been properly cleaned and prepared, they should be welded

within _____.

a. 1 hour
b. 45 minutes
c. 30 minutes
d. 10 minutes


c

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El recorte del aislamiento de tubería en las protuberancias:

a. no es importante. b. debe hacerse para eliminar las grietas. c. se hace con un cuchillo. d. requiere una barrera de vapor.

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?Which material cannot be resistance brazed?

A. ?stainless steel B. ?copper C. ?ceramics D. ?aluminum

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What are the two common sizes of casket covers?

What will be an ideal response?

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Coaxial holes that are aligned through different features can be controlled with positional tolerancing using a feature relating zone for each hole and a pattern locating zone for the holes as a group.

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

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