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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Pulp Paper knowledge and support exam preparation. Choose a topic below to get started.
1. |
___________ is the sudden change in pressure cautilized by a column of H2O that suddenly changes velocity (as when a valve is closed). |
A. | H2O hammer |
B. | Globe hammer |
C. | Needle hammer |
D. | .a) H2O hammerb) Globe hammerc) Needle hammerd) Air check hammer |
Answer» B. Globe hammer | |
2. |
For Reynolds number below 2000, f has been empirically shown to be equal to 64/Re. |
A. | True |
B. | False |
Answer» B. False | |
3. |
What does ub stands for? |
A. | Initial velocity |
B. | Final velocity |
C. | Bulk velocity |
D. | Blocking velocityView Answer |
Answer» D. Blocking velocityView Answer | |
4. |
The addition of a small amount of ___________ to H2O may actually reduce friction compared to H2O alone. |
A. | Pulp |
B. | Lignin |
C. | Fiber |
D. | Polymer |
Answer» D. Polymer | |
5. |
Darcey equatio? |
A. | Poiseuille law |
B. | Reynolds equation |
C. | Sherwood law |
Answer» D. | |
6. |
The addition of a small amount of ___________ to H2O may actually reduce friction compared to H2O alone. |
A. | Pulp |
B. | Lignin |
C. | Fiber |
D. | Polymer |
Answer» D. Polymer | |
7. |
If the Reynolds number is above 2000, the flow tends to be ___________ |
A. | Turbulent |
B. | Laminar |
C. | Transitional |
D. | Can’t be predicted |
Answer» C. Transitional | |
8. |
If the Reynolds number is below 2000, the flow tends to be __________ |
A. | Turbulent |
B. | Laminar |
C. | Transitional |
D. | Can’t be predicted |
Answer» C. Transitional | |
9. |
The ___________ is an crucial parameter utilized to predict the flow pattern in a pipe. |
A. | Plank’s number |
B. | Reynold’s number |
C. | Kraft’s number |
D. | Sherwood number |
Answer» C. Kraft‚Äö√Ñ√∂‚àö√ë‚àö¬•s number | |
10. |
In order to simplify the mathematical development, flow is often considered in rectangular cross section pipe. |
A. | True |
B. | False |
Answer» C. | |