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
Pigs usually reach market weight around _____
A) 8 weeks B) 20 weeks C) 8 months D) 18 to 24 months
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
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