A large amount of oxygen around flammable materials or sparks can cause _____

a. slow, persistent oxidation of the electrodes
b. severe weakening of the root pass welds
c. rust or scale to enter the weld puddle
d. rapid and uncontrolled combustion


d

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A continuous load is one that operates for ____________________ hours.

Fill in the blank(s) with the appropriate word(s).

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

The four steps involved in a typical engineering problem solution are: define the problem, simplify the problem, analysis, and verify the results.

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The four types of soft foot that may exist are parallel soft foot, angular soft foot, ____ soft foot, and induced soft foot.

A. springing B. bent C. twisted D. vibrating

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List eight commonly used pipe fittings.

What will be an ideal response?

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