This is a machine for photographically reproducing material, especially by Xerography:

A. blue printer
B. diazo printer
C. photocopy printer
D. microfilm printer
E. copy printer


Answer: C

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Determine the equilibrium constant for this reaction at 400 K. State and justify any assumptions or approximations that you make.

A vessel initially contains 10 moles of pure liquid A at P=5 atm and T=400 K. The following reaction occurs isothermally and isobarically until equilibrium is achieved:
A ?2B
Thermochemical data on the two compounds in the liquid phase is presented in the following table. Values of G and H were obtained with a reference pressure of 1 bar:

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Using leader lines and labels, identify thermal breaks in the aluminum cross section given in the following window head detail.



What will be an ideal response?

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Electrical shock occurs when a person becomes part of an electrical circuit.

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

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____________________ steel has a carbon content of 0.8% to 1.5%, making it very difficult to weld.

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

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