Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 21
| 1. |
Toughness of a material is measured by the |
| A. |
Vicker's hardness test. | | B. |
scratch test. | | C. |
universal testing machine. | | D. |
notched bar test. |
Answer: Option C
Explanation:
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| 2. |
Pick out the wrong statement about nucleate boiling. |
| A. |
Bubble generation is by expansion of entrapped gas/vapour at small cavities in the surface. | | B. |
Surface temperature is greater than the saturation temperature of the liquid. | | C. |
Heat transfer from the surface of the liquid is less than that in film boiling. | | D. |
The temperature is less than that of film boiling. |
Answer: Option D
Explanation:
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| 3. |
L.D. (Linz-Donawitz) converter is used in the production of |
Answer: Option B
Explanation:
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| 4. |
Turning/machining of __________ usually does not require any cutting fluid. |
| A. |
cast iron | | B. |
stainless steel | | C. |
mild steel | | D. |
copper |
Answer: Option A
Explanation:
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| 5. |
Powder metallurgy processing can be used for making |
| A. |
dispersion strengthened copper rod. | | B. |
self lubricating bearing and cemented carbide. | | C. |
connecting rod. | | D. |
piston. |
Answer: Option B
Explanation:
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