MCQOPTIONS
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MCQOPTIONS
This section includes 13 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. |
_________ or so called wood-containing pulp are bleached with peroxide about 1 percent on pulp, with 4 percent sodium silicate, 50°C. |
| A. | Chemical pulps |
| B. | Softwood pulps |
| C. | Hardwood pulps |
| D. | Mechanical pulps |
| Answer» E. | |
| 2. |
After de-inking and cleaning, the dilute pulp slurry must be concentrated for processing further and storage. What is the term used here? |
| A. | Bleaching of secondary fiber |
| B. | Slurry concentration |
| C. | Deinking process |
| D. | Flocculation |
| Answer» C. Deinking process | |
| 3. |
_________ process is carried out using NaOH, sodium silicate, and H2O2 with a collector system consisting of a surfactant. What is the name of the process? |
| A. | Ink washing |
| B. | Gyroclean |
| C. | Deinking chemistry |
| D. | Reverse cleaners |
| Answer» B. Gyroclean | |
| 4. |
A _________ is a long tube with an overhead grapple that’s utilised to manually remove waste that accumulates at the bottom of the tower. |
| A. | Woodward |
| B. | Junk tower |
| C. | Contaminants |
| D. | Surfactants |
| Answer» C. Contaminants | |
| 5. |
AFTER_DE-INKING_AND_CLEANING,_THE_DILUTE_PULP_SLURRY_MUST_BE_CONCENTRATED_FOR_PROCESSING_FURTHER_AND_STORAGE._WHAT_IS_THE_TERM_USED_HERE??$ |
| A. | Bleaching of secondary fiber |
| B. | Slurry concentration |
| C. | Deinking process |
| D. | Flocculation |
| Answer» C. Deinking process | |
| 6. |
_________ or so called wood-containing pulp are bleached with peroxide about 1 percent on pulp, with 4 percent sodium silicate, 50°C.$# |
| A. | Chemical pulps |
| B. | Softwood pulps |
| C. | Hardwood pulps |
| D. | Mechanical pulps |
| Answer» E. | |
| 7. |
_________ process is carried out using NaOH, sodium silicate, and H2O2 with a collector system consisting of a surfactant. What is the name of the process? |
| A. | Ink washing |
| B. | Gyroclean |
| C. | Deinking chemistry |
| D. | Reverse cleaners |
| Answer» B. Gyroclean | |
| 8. |
_________ involves removal by washing it from the fiber using NaOH, sodium silicate, and hydrogen peroxide with a suitable dispersant in the pulper. |
| A. | Ink flotation |
| B. | Froth flotation |
| C. | Ink washing |
| D. | Froth washing |
| Answer» D. Froth washing | |
| 9. |
An alternative to reverse cleaners is the_________ The unit was developed by Lamort and Centre Technique du Papeterie (C.T.P.) in France. |
| A. | Ink washing |
| B. | Decolorizing methods |
| C. | Flotation clarification of effluent |
| D. | Gyroclean of Fiberprep |
| Answer» E. | |
| 10. |
A _________ is an enclosed bucket conveyer utilized to automatically remove heavy and floating waste on a continuous basis. |
| A. | Sludge |
| B. | Centrifugal cleaner |
| C. | Continuous junk removal |
| D. | Ink washing |
| Answer» D. Ink washing | |
| 11. |
A _________ is a long tube with an overhead grapple that’s utilised to manually remove waste that accumulates at the bottom of the tower.$ |
| A. | Woodward |
| B. | Junk tower |
| C. | Contaminants |
| D. | Surfactants |
| Answer» C. Contaminants | |
| 12. |
Recycled fiber recovery does not begins at the pulper, which is nothing more than a large blender to disperse pulp into an aqueous slurry. |
| A. | True |
| B. | False |
| Answer» C. | |
| 13. |
Recycling fiber is the process of separating useful fiber from the contaminants of waste paper. A series of processes can be used to accomplish this task. |
| A. | True |
| B. | False |
| Answer» B. False | |