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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 21
1.
Toughness of a material is measured by the
Vicker's hardness test.
scratch test.
universal testing machine.
notched bar test.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Pick out the wrong statement about nucleate boiling.
Bubble generation is by expansion of entrapped gas/vapour at small cavities in the surface.
Surface temperature is greater than the saturation temperature of the liquid.
Heat transfer from the surface of the liquid is less than that in film boiling.
The temperature is less than that of film boiling.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
L.D. (Linz-Donawitz) converter is used in the production of
copper
steel
zinc
aluminium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Turning/machining of __________ usually does not require any cutting fluid.
cast iron
stainless steel
mild steel
copper
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Powder metallurgy processing can be used for making
dispersion strengthened copper rod.
self lubricating bearing and cemented carbide.
connecting rod.
piston.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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