____ is a Portland cement mixture that has high strength.
A. Plaster
B. Grout
C. Masonry
D. Girder
Answer: B
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A crane-operated magnet cannot pick up _____.
a. steel b. iron c. non-ferrous metals d. ferrous metals
To transfer heat to the surrounding air, a convector primarily depends on _____.
a. a circulating fan b. a centrifugal blower c. gravity d. radiation
The Democratic party nominee for President in 1896 was ____; the Republicans nominated ____; and the Populists endorsed ____.
A. William McKinley; Mark Hanna; William Jennings Bryan B. William Jennings Bryan; William McKinley; James B. Weaver C. William Jennings Bryan; William McKinley; William Jennings Bryan D. Mark Hanna; William Jennings Bryan; William Jennings Bryan E. William Jennings Bryan; Theodore Roosevelt; William Jennings Bryan
Consider the {1011}, and {1013} twinning systems that have been observed in magnesium.
(a) These twins have been called reciprocal twins. Examine Appendix E and determine the significance for this designation for the twinning systems. (b) Determine the twinning shear for both of these twins when they appear in magnesium.