Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 6
| 11. |
The total frictional resistance to fluid flow does not depend upon the |
| A. |
roughness of the surface. | | B. |
fluid pressure. | | C. |
fluid density. | | D. |
fluid velocity. |
Answer: Option B
Explanation:
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| 12. |
Stretcher strains found in a low carbon sheet are associated with the |
| A. |
texture. | | B. |
dislocation density. | | C. |
yield point phenomenon. | | D. |
thickness of the sheet. |
Answer: Option C
Explanation:
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| 13. |
The most important consideration, while designing the refrigeration system of an aircraft is that the refrigeration system |
| A. |
is as light as possible. | | B. |
has very high C.O.P. | | C. |
employs minimum quantity of refrigerant. | | D. |
consumer minimum horse power. |
Answer: Option A
Explanation:
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| 14. |
Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its |
| A. |
lower cost. | | B. |
abundant availability. | | C. |
resistance to vegetable acids as the tin plate are commercially used in 'canning' industry. | | D. |
none of these. |
Answer: Option C
Explanation:
|
| 15. |
Which of the following is resistant to the action of both heat & chemicals ? |
| A. |
Boro silicate glass, | | B. |
Silica glass. | | C. |
Soda lime glass. | | D. |
none of these. |
Answer: Option A
Explanation:
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