MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Chemical pulping yields individual fibers that are not cut and give strong papers because of ________ as it interferes with hydrogen bonding is largely removed. |
| A. | Pulp |
| B. | Hydrogen |
| C. | Phosphate |
| D. | Lignin |
| Answer» E. | |
| 2. |
How to calculate yield %? |
| A. | (Dry product mass out) (Dry product mass in)-1 x 100 |
| B. | (Dry product mass out)-1 (Dry product mass out) x 100 |
| C. | (Dry product mass out) (Dry product mass out)-2 x 100 |
| D. | (Dry product mass out)-2 (Dry product mass out) x 100 |
| Answer» B. (Dry product mass out)-1 (Dry product mass out) x 100 | |
| 3. |
HOW_TO_CALCULATE_YIELD_%??$ |
| A. | (Dry product mass out) (Dry product mass in)<sup>-1</sup> x 100 |
| B. | (Dry product mass out)<sup>-1</sup> (Dry product mass out) x 100 |
| C. | (Dry product mass out) (Dry product mass out)<sup>-2</sup> x 100 |
| D. | (Dry product mass out)<sup>-2</sup> (Dry product mass out) x 100 |
| Answer» B. (Dry product mass out)<sup>-1</sup> (Dry product mass out) x 100 | |
| 4. |
Chemical pulping yields individual fibers that are not cut and give strong papers because of ________ as it interferes with hydrogen bonding is largely removed.$ |
| A. | Pulp |
| B. | Hydrogen |
| C. | Phosphate |
| D. | Lignin |
| Answer» E. | |
| 5. |
How to calculate consistency? |
| A. | (Dry solid mass) (slurry mass)<sup>-1</sup> x 100 |
| B. | (Dry solid mass)<sup>-1</sup> (slurry mass) x 100 |
| C. | (Dry solid mass) (slurry mass)<sup>-2 </sup>x 100 |
| D. | (Dry solid mass)<sup>-2</sup> (slurry mass) x 100 |
| Answer» B. (Dry solid mass)<sup>-1</sup> (slurry mass) x 100 | |
| 6. |
How to calculate the total yield? |
| A. | Screening (%) + Screened yield (%) |
| B. | Dry solid mass (%) + Screened yield (%) |
| C. | Screening (%) + Slurry mass (%) |
| D. | Dry product mass out (%) + Dry product mass in (%) |
| Answer» B. Dry solid mass (%) + Screened yield (%) | |
| 7. |
Which process is used to treat all types of woods for pulping process? |
| A. | Mechanical pulping |
| B. | Neutral-sulfite semi-chemical(N.S.S.C.) |
| C. | Kraft process |
| D. | Chemical mechanical pulping |
| Answer» D. Chemical mechanical pulping | |
| 8. |
___________ are small finer bundles of fibers that have not been separated into individual fibers during the pulping process. |
| A. | Shives |
| B. | Yield |
| C. | Grains |
| D. | Pulp |
| Answer» B. Yield | |
| 9. |
____________ is the process whereby the pulp is separated from large shives, knots, and etc. |
| A. | Shredding |
| B. | Cutting |
| C. | Picking |
| D. | Screening |
| Answer» E. | |
| 10. |
Wood-free pulps contain no mechanical pulp or contains pulp subjected to a min. refining. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Which are 4 broad categories of pupling processes? |
| A. | Chemical, semi-chemical, chemi-mechanical, and mechanical |
| B. | Qualitative , semi-chemical, chemi-mechanical, and mechanical |
| C. | Quantitative, semi-chemical, chemi-mechanical, and thermal |
| D. | Isentropic, semi-chemical, chemi-mechanical, and mechanical |
| Answer» B. Qualitative , semi-chemical, chemi-mechanical, and mechanical | |
| 12. |
Pulp consists of 2 things which are, wood and the libocellulosic materials that are broken down physically and chemically. |
| A. | True |
| B. | False |
| Answer» B. False | |