| 1. | The characteristics that enables one material to cut another is its relative ? | |
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hardness
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resilience
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ductility
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toughness
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Report Question| 2. | Which one of the Following is the Resistance of a metal to Elastic Deformation ? | |
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toughness
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ductility
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stiffness
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strength
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| 3. | The chief alloying elements of stainless steel are ? | |
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nickel and tungsten
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chromium and nickel
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nickel and vanadium
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chromium and tungsten
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| 4. | Wrought iron is ? | |
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95% pure form of iron
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99.9% pure form of iron
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90% pure form of iron
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impure form of iron
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| 5. | Boxite is an ore/mineral of _______ ? | |
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titanium
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chromium
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aluminium
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uranium
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| 6. | Melting point of iron ? | |
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1083°c
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660°c
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1389°c
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1539°c
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| 7. | Which one of the following is used to align the hole to be riveted ? | |
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drift
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dolly
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snap
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rivet set
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| 8. | Specific gravity of steel as compared to aluminium is ? | |
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equal
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less
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more
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varies with the weight of certain type of substance
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| 9. | Steel containing up to 0.15% carbon, is know as ? | |
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medium carbon steel
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high carbon steel
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dead mild steel
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mild steel
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| 10. | For melting of cast iron, the commonly used furnace is ? | |
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blast furnace
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puddling furnace
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cupola furnace
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electric arc furnace
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