Retempering mortar is acceptable under the following condition:

A. It used within 3 hours of the remixing.
B. It is used within 2½ hours of the initial mixing.
C. The amount of water added is more than the amount lost to evaporation.
D. The amount of water added is less than the amount lost to evaporation.


Answer: B

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Which statement about isotherms of a cubic EOS is true?

A. At Tr = 1.000 and any pressure, the first and second derivatives of P with respect to V will both be equal to zero. B. When Tr< 0 the substance can be modeled as a VLE mixture inside the pressure dome. C. Vc represents the critical molar volume and occurs at Tr and Pr. D. It is possible for an isotherm to include some negative values of P. E. None of these statements are true.

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If a pit is dug into the ground, the side of the hole gives a picture of the different layers or _____________________ of soil

Fill in the blank(s) with correct word

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Describe two ways to hide edges

What will be an ideal response?

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Electrolytic capacitors differ from many other capacitors in construction in that they are:

A) smaller. B) polarized. C) larger. D) sensitized.

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