| 1. | The minimum distance from a rivet hole centre to the nearest edge of the plate is called ? | |
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lag
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pitch
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lead
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margin
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Report Question| 2. | In a riveted joint the edge of plates are simply laid over each other and riveted. This joint is called ? | |
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butt joint
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lap joint
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corner joint
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edge joint
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| 3. | Mallet is made of ? | |
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hard wood
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lead
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cast iron
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brass
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| 4. | Brass is an alloy consisting of ? | |
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copper & iron
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copper & tin
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copper & zinc
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zinc & tin
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| 5. | Melting point of aluminium is approximately ? | |
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1500°c
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660°c
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2500°c
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1000°c
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| 6. | Which of the following property of metal is not a mechanical property ? | |
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malleability
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toughness
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elasticity
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conductivity
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| 7. | Metals possess physical and mechanical properties. Which one of the following is a physical property of metals ? | |
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malleability
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fusibility
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ductility
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tenacity
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| 8. | Crane hooks are made of ? | |
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steel
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wrought iron
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none of the above
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cast iron
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| 9. | Decirable hardness in a file is generally ? | |
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45 HRC
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60 HRC
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30 HRC
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80 HRC
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| 10. | The alloy containing more than 2% iron is know as ? | |
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mild steel
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low alloy steel
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cast iron
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high speed steel
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