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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