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Materials and Construction-Data Intensity 4 Multiple Questions and Answers.
| 6. | Steel tower used for the storage of oleum___? | ||
| A. | Is lined with lead | ||
| B. | Need not be lined | ||
| C. | Is lined with rubber | ||
| D. | Is lined with acid-proof bricks | ||
| 8. | Aluminium as a material of construction suffers from the disadvantage of___? | ||
| A. | Very high cost | ||
| B. | Scarce availability | ||
| C. | Rather low tensile strength | ||
| D. | Very low strength to weight ratio | ||
| 9. | Which metal is protected by the layer of its own oxide ? | ||
| A. | Iron | ||
| B. | Silver | ||
| C. | Calcium | ||
| D. | Aluminium | ||
| 10. | In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of__? | ||
| A. | Stainless steel | ||
| B. | Cast iron | ||
| C. | Lead lined steel | ||
| D. | Rubber lined steel | ||
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