Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 21
| 21. |
Production of a hollow product by inflation of a tube or parison is called the __________ process. |
| A. |
blow moulding | | B. |
calendering | | C. |
extrusion | | D. |
injection |
Answer: Option A
Explanation:
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| 22. |
A spark ignition petrol engine has |
| A. |
throttle valve | | B. |
carburettor | | C. |
both (a) & (b) | | D. |
neither (a) nor (b) |
Answer: Option C
Explanation:
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| 23. |
Out of the following, the highest emf for a given temperature is generated by the __________ thermocouple. |
| A. |
chromel - alumel | | B. |
iron - constantan | | C. |
platinum - platinum + rhodium | | D. |
copper-constantan |
Answer: Option B
Explanation:
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| 24. |
Which is the only metal that exists in liquid state at room temperature? |
| A. |
Sodium | | B. |
Mercury | | C. |
Lithium | | D. |
Strontium |
Answer: Option B
Explanation:
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| 25. |
An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform cross-section. |
| A. |
adiabatic | | B. |
isothermal | | C. |
isentropic | | D. |
isochoric |
Answer: Option B
Explanation:
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