Chemical Engineering - Chemical Process
Exercise :: Chemical Process - Section 1
| 16. |
Sucrose content in the raw juice extracted from sugar cane is about __________ percent. |
Answer: Option B
Explanation:
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| 17. |
Fusel oil is a/an |
| A. |
essential oil. | | B. |
extract from medicinal herbs. | | C. |
mixture of higher molecular weight alcohols (a by-product obtained during production of alcohol from molasses). | | D. |
none of these. |
Answer: Option C
Explanation:
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| 18. |
Styrene-butadiene-rubber (SBR) as compared to natural rubber has |
| A. |
Poorer tensile strength. | | B. |
poorer resistance to oxidation. | | C. |
greater amount of heat build-up under heavy loading. | | D. |
all (a), (b) and (c). |
Answer: Option D
Explanation:
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| 19. |
Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture. |
Answer: Option C
Explanation:
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| 20. |
The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is |
| A. |
dilute H2SO4 | | B. |
oleum | | C. |
ultraviolet light | | D. |
none of these |
Answer: Option B
Explanation:
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