Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 12
| 1. |
With increase in carbon percentage in steel, its |
| A. |
yield stress decreases. | | B. |
elongation percent increases. | | C. |
tensile strength increases. | | D. |
impact strength increases. |
Answer: Option C
Explanation:
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| 2. |
Percentage of gaunge is maximum in the ore of |
Answer: Option B
Explanation:
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| 3. |
The forms in which various metals and non metals occur in nature are called minerals. Which of the following is not a metallic ferrous mineral? |
| A. |
Cassiterite | | B. |
Sphalerite | | C. |
Chalcopyrite | | D. |
Calcite |
Answer: Option D
Explanation:
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| 4. |
Pick out the wrong statement. |
| A. |
Dry bulb temperature, wet bulb temperature & dew point are the same in case of saturated air. | | B. |
Dew point is reached by cooling the humid air at constant moisture content. | | C. |
Heating of humid air is done for its dehumidification. | | D. |
none of these. |
Answer: Option C
Explanation:
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| 5. |
The most commonly used material for sewers for carrying sewage in the normal situation is |
| A. |
asbestos cement | | B. |
stainiess steel | | C. |
stoneware | | D. |
cast iron |
Answer: Option C
Explanation:
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