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1. Metal.
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A. Is a dense, elementary
matter, positively charged.
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B. Is fusible, opaque,
conducts heat and electricity.
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C. Is usually solid at
room temperture.
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D. All of the above.
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2. All metals.
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A. Spark when placed on a
grinding wheel.
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B. Are magnetic.
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C. Are grey in color when
polished.
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D. None of the above.
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3. Ferrous or nonferrous determines.
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A. The weldablity of a
metal
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B. The strength of
metal..
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C. The mechanical
properties of metal.
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D. None of the above.
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4. For each metal / alloy, select the correct /
basic symbol.
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A.
Iron, Tin, Nickel, Tungsten. Silver., Manganese, Magnesium. Lead.
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B.
Steel &, Brass&, Bronze&, Monel&, Inconel&.
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5. List 3 types of carbon steel. ( type in your
answer )
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A.
,,
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6. List 3 types of cast iron.
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A.
,,
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7. List 3 types of alloy steel.
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A.
,,
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8. List 3 types of Stainless steel.
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A.
,,
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9. Questions 5 to 8 deals with.
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A. Extractive
metallurgy.
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B. Ferrous metals /
alloys.
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C. Weldable alloys.
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D. Basic metals.
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10. List 3 nonferrous metals / alloys.
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A.
,,
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