To minimize joint preparation, make the root pass using an electrode designed for _____.

a. shallow penetration
b. medium penetration
c. shallow or medium penetration
d. deep penetration


Answer: D

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A strong steel safety cable used to connect two compressed-air hoses, or a hose and tools, is called a _____.

a. backlash preventer b. guard cable c. tool lockdown d. whip check

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Pigs usually reach market weight around _____

A) 8 weeks B) 20 weeks C) 8 months D) 18 to 24 months

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The subsequent problems deal with the circuit shown below. Assume that the diode is ideal (i.e., has a 0V forward bias voltage).If V1 = 0V (short), V2 > 0, and R1 = R2 = R, what is I1?

A. ?V2 / R B. V2 / R C. V2 / 2R D. 0 E. ?V2 / 2R

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Poor lighting, excessive noise, and inadequate guards for moving parts are examples of _____

A) acceptable risks B) unsafe conditions C) unavoidable hazards D) unsafe acts

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