Which of the following is not a kind of triangle?

A. equilateral
B. obtuse
C. quadrilateral
D. scalene


Answer: C

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A(n) ____ may be used as a guide so that the torch can be dragged across the work surface.

A. nozzle tip B. nozzle insulator C. nozzle D. electrode tip

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The three classes of equipment failures are nonthreatening, important, and _____

a. debilitating b. temporary c. unexpected d. critical

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________ limit how close permanent structures can be to property lines

A) Building clearances B) Property setbacks C) Right-of-ways D) Utility easements

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In the American Engineers Handbook, the standard temperature of material resistance is _____.

A. 20°C B. 30°C C. 40°C D. 50°C

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