Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 26
| 46. |
The fatigue resistance of a material is improved by the following technique. |
| A. |
Anodising | | B. |
Carburising | | C. |
Ion nitriding | | D. |
Shot peening |
Answer: Option D
Explanation:
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| 47. |
Increase in temperature, in general results in the |
| A. |
decrease in the viscosities of both liquids & gases. | | B. |
increase in the viscosities of both liquids & gases. | | C. |
increase in the viscosity of liquids and decrease in that of gases. | | D. |
decrease in the viscosity of liquids and increase in that of gases. |
Answer: Option D
Explanation:
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| 48. |
Which of the following can be manufactured using powder metallurgy techniques? |
| A. |
Brake linings | | B. |
Bearings | | C. |
Carbide tool tips | | D. |
All 'a', 'b' and 'c'. |
Answer: Option D
Explanation:
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| 49. |
Removal of non-condensables from steam or other vapour is termed as the __________ process. |
| A. |
condensation | | B. |
dearation | | C. |
scavanging | | D. |
exhaust |
Answer: Option B
Explanation:
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| 50. |
Cold heading or upsetting is categorised as the __________ process. |
| A. |
extrusion | | B. |
bending | | C. |
rolling | | D. |
forging |
Answer: Option D
Explanation:
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