1. Which three of the following industries are classified as secondary industries:
(a) beverages
(b) financial services,
(c) fishing,
(d) power utilities,
(e) publishing, and
(f) transportation?
2. Ferrous metals include which two of the following:
(a) aluminum,
(b) cast iron,
(c) copper,
(d) nickel,
(e) gold, and
(f) steel?
3. Which of the following elements is the most important alloying ingredient in steel:
(a) carbon
(b) chromium
(c) nickel
(d) molybdenum
(e) vanadium
4. The refractory metals are noted for which four of the following properties:
(a) good hot hardness
(b) high density
(c) high elastic modulus
(d) high melting points
(e) low melting points
(f) low stiffness
(g) low strength
5. A ceramic material can be defined as an organic compound consisting of a metal or semimetal and one or more nonmetals:
(a) True
(b) false
6. Which one of the following materials are not ingredients in the new ceramics:
(a) carbides
(b) nitrides
(c) oxides
(d) silicates
Answers: 2
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1. Which three of the following industries are classified as secondary industries:
(a) beverages
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