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17 Cards in this Set
- Front
- Back
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Which of the following properties or characteristics are inconsistent with the metals? (3)
(a) good thermal conductivity (b) high strength (c) high electrical resistivity (d) high stiffness (e) ionic bonding |
high electrical resistivity, ionic bonding |
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Which one of the metallic elements is the most abundant on the earth? (a) aluminum (b) copper (c) iron (d) magnesium (e) silcon |
aluminum |
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The predominant phase in the iron-carbon alloy system for a composition with 99% Fe at room temperature is which one of the following? (a) austenite (b) cementite (c) delta (d) ferrite (e) gamma |
ferrite |
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A steel with 1.0% carbon in known as which one of the following? (a) eutectoid (b) hypoeutectoid (c) hypereutectoid (d) wrought iron |
hypereutectoid |
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The strength and hardness of steel increases as carbon content (a) increases (b) decreases |
increases |
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Plain carbon steels are designated in the AISI code system by which of the following? (a) 01XX (b) 10XX (c) 11XX (d) 12XX (e) 30XX |
10XX |
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Which one of the following elements is the most important alloying ingredient in steel? (a) carbon (b) chromium (c) nickel (d) molybdenum (e) vanadium |
carbon |
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Which one of the following is not a common alloying ingredient in steel? (a) chromium (b) manganese (c) nickel (d) vanadium (e) zinc |
zinc |
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Solid solution alloying is the principal strengthening mechanism in high-strength low-alloy (HSLA) steels? (a) true (b) false |
true |
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Which one of the following alloying elements are most commonly associated with stainless steel? (2)
(a) chromium (b) manganese (c) molybdenum (d) nickel (e) tungsten |
chromium, nickel |
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Which of the following is the most important cast iron commercially? (a) ductile cast iron (b) gray cast iron (c) malleable iron (d) white cast iron |
gray cast iron |
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Which one of the following metals has the lowest density? (a) aluminum (b) magnesium (c) tin (d) titanium |
magnesium |
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Which of the following metals has the highest density? (a) gold (b) lead (c) platinum (d) silver (e) tungsten |
platinum |
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From which of the following ores is aluminum derived? (a) alumina (b) bauxite (c) cementite (d) hematite (e) sheelite |
bauxite |
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Which of the following metals is noted for its good electrical conductivity? (a) copper (b) gold (c) iron (d) nickel (e) tungsten |
copper |
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Traditional brass is an allot of which of the following metallic elements? (a) aluminum (b) copper (c) gold (d) tin (e) zinc |
copper |
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Which one of the following metals has the lowest melting point? (a) aluminum (b) lead (c) magnesium (d) tin (e) zinc |
tin |
