When setting up the welding equipment for GMAW on aluminum pipe, turn the welding machine on and
_____.
a. purge the gun per manufacturer instructions
b. set the voltage to the maximum setting
c. discharge any remaining water from the hoses
d. disable the current-slope adjustment
a
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If a K-series open-web steel joist is supported by a W-shape girder, the top of the joist will be _______________ above the top of the girder.
Fill in the blank(s) with the appropriate word(s).
A 500-page book contains 250 sheets of paper. The thickness of the paper used to manufacture the book has mean 0.08 mm and standard deviation 0.01 mm.
a. What is the probability that a randomly chosen book is more than 20.2 mm thick (not including the covers)? b. What is the 10th percentile of book thicknesses? c. Someone wants to know the probability that a randomly chosen page is more than 0.1 mm thick. Is enough information given to compute this probability? If so, compute the probability. If not, explain why not.
A calculator is set in the Engineering mode. The display shows: 56.345 -03. Express this value in the proper engineering units.
A. 56.345 micro B. 56.345 milli C. 5.6345 milli D. 563.45 milli
A current magnetic relay opens and closes its contacts based on the ____.
A. current in the start winding B. voltage across the start winding C. voltage across the run winding D. current in the run winding