List and describe at least three of the jobs connected with the coal industry
What will be an ideal response?
Coal mines need stripping operators (scoops the earth away to expose the coal), coal-loading machine operators
(rips the coal from the seam and loads the coal into trucks) and tractor operators (operates the bulldozers). The
coal industry is like any other industry, requiring secretaries, bookkeepers, drivers, purchasers, sales people,
accountants, supervisors, managers at all levels, and a wide array of other support personnel.
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Which GMAW process is the newest??
What will be an ideal response?
Current transformers differ from voltage transformers in that the primary winding is generally part of the ____.
a. core b. secondary winding c. shell d. power line
Determine the reactions and all bar forces for the truss in Figure P9.34. E = 29,000 ksi and members AB, BC, AD, and DC have A = 3 in. 2 , and members BD, DE, and CE have A = 1 in. 2 for all bars.
The average C02 level in the earth's atmosphere is ________ ppm yet the common level injected into greenhouses is ________________ ppm
Fill in the blank(s) with correct word