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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