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:
|
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:
|
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:
|
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:
|
50. |
Cold heading or upsetting is categorised as the __________ process. |
A. |
extrusion | B. |
bending | C. |
rolling | D. |
forging |
Answer: Option D
Explanation:
|