Chemical Engineering - Chemical Engineering Basics
Exercise :: Chemical Engineering Basics - Section 16
| 16. |
The bulk modulus of a material with Poisson's ratio of 0.5 is equal to |
| A. |
3 x Young's modulus | | B. |
Young's modulus | | C. |
infinity | | D. |
zero |
Answer: Option C
Explanation:
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| 17. |
Compression ratio of an I.C. engine is the ratio of the |
| A. |
clearance volume to the volume swept by piston per stroke. | | B. |
volume of air in cylinder before compression to that after compression. | | C. |
pressure after compression to that before compression. | | D. |
none of these |
Answer: Option B
Explanation:
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| 18. |
Two stroke engine compared to a four stroke engine has |
| A. |
higher efficiency. | | B. |
less fuel consumption. | | C. |
higher power to weight ratio. | | D. |
lower initial cost. |
Answer: Option C
Explanation:
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| 19. |
Ferrites are __________ magnetic. |
Answer: Option C
Explanation:
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| 20. |
The pH value is the measure of hydrogen ion concentration in a solution. The term pH stands for the __________ in the solution. |
| A. |
power of hydrogen ion concentration | | B. |
percentage of hydrogen ions | | C. |
presence of hydrogen ions | | D. |
none of these |
Answer: Option A
Explanation:
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