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:
|
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:
|
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:
|
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:
|