_________corrosion is usually caused by a difference in the chemical composition of the grain boundaries from the grain interiors.
Fill in the blank(s) with the appropriate word(s).
Intergranular
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10 joules of heat energy are transferred to a sample of ideal gas at constant volume. As a result, the internal energy of the gas
A. increases by 10 J B. increases by less than 10 J C. increases by more than 10 J D. remains unchanged.
A simply supported beam (L 5 4.5 m) with rectangular cross sec-tion (b 5 95 mm, h 5 280 mm) supports uniform load q 5 25 kN/m. The ratio of the magnitudes of the principal stresses (?1/?2) at a point a 5 1.0 m from the left support and distance d 5 100 mm up from the bottom of the beam is approximately:
(A) 9
(B) 17
(C) 31
(D) 41
10. mL is equal to
A) 0.01 L B) 1.0 kL C) 0.10 L D) 10-6L E) 0.001 ML
A marshmallow in a vacuum becomes
A) larger. B) smaller. C) does not change.