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Chemical Engineering - Materials and Construction

Exercise : Materials and Construction - Section 2
41.
__________ is never shipped in glass carboys.
Ammonia
Acetic acid
Phenol
Formaldehyde
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Lead is
not resistant to corrosion.
used as a cathodic material.
not used as pigment (in its compound forms) for paints.
used as a shock absorber (in mattress form) between the foundation and steel framework of skyscrapper buildings.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Nitriding of steel is done (in electric furnace) at __________ °C.
510
1720
2210
910
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Addition of 2% nickel in steel makes it suitable for making
electronic valves
boiler plates, rivets etc.
turbine blades
connecting rod
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
The softest material just next to talc in the Mhos scale is
quartz
gypsum
feldspar
fluorite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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