The swelling/shrinking tendency of some silicate clay minerals is due primarily to ________
A) the movement of water molecules in and out of the interlayers of the crystal
B) expansion in the width of the interlayers due to movement of larger ions such as K+
C) varying thickness of the film of water covering the external surface of the particles
D) the high Mg2+ contents in the octahedral layers
E) the presence of cations attracted by the negative charges on the internal surfaces
A
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Termination of the defrost cycle by temperature occurs when the temperature sensor reaches ____.
A. 35°F B. 45°F C. 50°F D. 65°F
All of the following are common factors that influence individual ethics EXCEPT
a. family influences. b. peer influences. c. values and morals. d. situational factors. e. All of these are common factors that influence individual ethics.
What is the limiting oxygen index (LOI)? Which burns more easily, a material with an LOI of 21 or of 17?
What will be an ideal response?
In a CPMT, a(n) ____ leads the project to make sure a sound project planning process is used, a complete and useful project plan is developed, and project resources are prudently managed.
A. incident manager B. champion C. crisis manager D. project manager