Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 9
| 6. |
Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is |
Answer: Option B
Explanation:
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| 7. |
What is the percentage of chromium in 18-4-1 high speed steel ? |
Answer: Option C
Explanation:
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| 8. |
Preheating before welding is done to |
| A. |
make the plate softer. | | B. |
burn oil & grease sticking to plate surfaces. | | C. |
avoid plate distortion. | | D. |
prevent cold cracks. |
Answer: Option D
Explanation:
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| 9. |
Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity) |
Answer: Option B
Explanation:
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| 10. |
Dew point temperature always gives an indication of the __________ of the moist air. |
| A. |
dryness | | B. |
moisture content | | C. |
coolness | | D. |
latent heat |
Answer: Option B
Explanation:
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