?In a(n) ____________________ process, operations are done mechanically under the observation of a welding operator.
Fill in the blank(s) with the appropriate word(s).
machine
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Hobbing, etching, electroforming, and electrical-discharge machining are ____ processes used in making molds in which no cutting tools are involved.?
A. ?tool making B. ?mold casting C. ?metal-displacement D. ?die casting
Which is NOT a function of an ultracapacitor?
A) Can pass DC current B) Can pass AC current C) Discharges DC current D) Can be charged with DC current
The ____ function within the awk command is used to format output.
A. out B. outln C. print D. printf
Jack top-dressed the 540 acres of wheat with 65-0-0 units of liquid nitrogen per acre. He used 28-0-0 liquid nitrogen to get the desired nitrogen. Liquid nitrogen weighs 10.67 pounds per gallon and costs $236.25 per ton.
a. How many pounds of the liquid nitrogen were applied per acre? b. How many gallons per acre were used? c. What did it cost to top-dress the wheat?