Which of the silicate clays would likely have the highest level of potassium in the crystal structure?
A) fine-grained mica
B) chlorite
C) smectite
D) vermiculite
E) kaolinite
A
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When the feature of size is at ____________________, the surface must be perfectly cylindrical.
Fill in the blank(s) with the appropriate word(s).
What pressure relief device can be used in both gas or liquid service?
A. Safety valves B. Relief valves C. Safety relief valves D. Rupture discs
A bowstring truss should use horizontally laminated layers of wood to create the arched top chord, rather than vertically laminated lumber, because _____.
a. the top surface is smoother, creating a better surface for fastening roofing materials b. vertically laminated wood cannot be bent to form the required arch c. the arched chord gains strength from the individual arched layers of wood d. vertically laminated wood cannot be cut into an arched shape
_____ are one of the most important kinds of equipment in the feedlot
a. Sunshades c. Back rubbers b. Waterers d. Mineral feeders