In the ____ method, the electrode is moved in and out of the molten weld pool as the weld progresses along the joint.

A. root gap
B. open root weld
C. key hole
D. multipass


Answer: C

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Standard inch bolts have lines on the heads to identify the grade.

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

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A soil has a maximum potential cation exchange capacity of 30 cmolc/kg and has a 50% acid saturation. If you want to decrease the percentage acid saturation to 10%, how many cmolc of calcium would it take to replace the exchangeable acid cations per kg of soil? Assume all the calcium exchanged with aluminum

A) 40 B) 5 C) 6 D) 30 E) 12

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Rabbits can produce young 30 days after breeding and raise four to five litters per year consisting of up to ____________________ young per litter.

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

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