WRITTEN TEST 3TO THE PART II METALS
I. VOCABULARY (20 points) a) Choose the best variant: 1. The study of the production and property of metals is known as …. a) alloying; b) metallurgy; c) property; d) conductivity. 2. A metal made by combining two or more metallic elements, to give greater strength or resistance to corrosion is called …. a) tin; b) brass; c) alloy; d) tungsten. 3. A hard, strong, gray or bluish-gray alloy of iron with carbon and usually other elements, used extensively as a structural and fabricating material. a) steel; b) zinc; c) cast-iron; d) antimony. 4. Irregular crystals are called …. a) metals; b) sheets; c) grains; d) films. 5. This metal is completely inert in biological media. a) iron; b) manganese; c) steel; d) titanium. 6. Steels containing from 0.2 to 0.4 per cent of carbon are called …. a) mild-carbon steels; b) medium-carbon steels; c) high-carbon steels; d) silver steels.
b) Match English and Russian equivalents:
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