MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
Mechanical pulp bleached with dithionite no more than a few months old is calculated by detecting traces of __________ as H2S liberated by stannous chloride. |
| A. | SO2 |
| B. | MnO4 |
| C. | Cl2 |
| D. | H2 |
| Answer» B. MnO4 | |
| 2. |
Mechanical softwood and ________ are diff.iated with the utilize of 2 percent aniline sulfate made acidic followed by 0.02 percent methylene blue after removal of the first dye by blotting |
| A. | Pulp |
| B. | Redwood |
| C. | Hardwood |
| D. | Lignin |
| Answer» D. Lignin | |
| 3. |
Phloroglucinol is specific for ________ cautilizing it to turn red. It is utilized as a 2% solution in 18.5% HCl. |
| A. | Pulp |
| B. | Softwood |
| C. | Hardwood |
| D. | Lignin |
| Answer» E. | |
| 4. |
Ray cross—field pitting shows whether ray parenchyma and or tracheids are present; it also indicates the ________ |
| A. | Length of the rays |
| B. | Height of the rays |
| C. | Wavelength of the rays |
| D. | Frequency of the rays |
| Answer» C. Wavelength of the rays | |
| 5. |
MECHANICAL_SOFTWOOD_AND__________ARE_DIFF.IATED_WITH_THE_UTILIZE_OF_2_PERCENT_ANILINE_SULFATE_MADE_ACIDIC_FOLLOWED_BY_0.02_PERCENT_METHYLENE_BLUE_AFTER_REMOVAL_OF_THE_FIRST_DYE_BY_BLOTTING?$ |
| A. | Pulp |
| B. | Redwood |
| C. | Hardwood |
| D. | Lignin |
| Answer» D. Lignin | |
| 6. |
Mechanical_pulp_bleached_with_dithionite_no_more_than_a_few_months_old_is_calculated_by_detecting_traces_of____________as_H2S_liberated_by_stannous_chloride.$ |
| A. | SO<sub>2</sub> |
| B. | MnO<sub>4</sub> |
| C. | Cl<sub>2</sub> |
| D. | H<sub>2</sub> |
| Answer» B. MnO<sub>4</sub> | |
| 7. |
Phloroglucinol is specific for ________ cautilizing it to turn red. It is utilized as a 2% solution in 18.5% HCl? |
| A. | Pulp |
| B. | Softwood |
| C. | Hardwood |
| D. | Lignin |
| Answer» E. | |
| 8. |
________ is utilized to detect the presence of starch, which could be present in sapwood but not heartwood or in paper such as in the detection of forged currency. |
| A. | Chlorine |
| B. | Sodium |
| C. | Magnesium |
| D. | Iodine |
| Answer» E. | |
| 9. |
Chemical stains could help with the analysis by concluding the type of pulping method utilized to generate the fiber which is crucial in ________ that might have some recycled newsprint. |
| A. | White paper |
| B. | Brown paper |
| C. | Non-Recyclable paper |
| D. | Red paper |
| Answer» C. Non-Recyclable paper | |
| 10. |
Ray cross—field pitting shows whether ray parenchyma and or tracheids are present; it also indicates the ________$ |
| A. | Length of the rays |
| B. | Height of the rays |
| C. | Wavelength of the rays |
| D. | Frequency of the rays |
| Answer» C. Wavelength of the rays | |
| 11. |
________ is very utilized in the determination of isolated fibers. |
| A. | Spotting |
| B. | Pitting |
| C. | Gourding |
| D. | Lightening |
| Answer» C. Gourding | |
| 12. |
When attempting quantitative analysis of fiber mixtures, the number of a particular type of fiber is multiplied by its ________ since some types of fibers appear to be present in larger amounts than others. |
| A. | Weight factor |
| B. | Charge factor |
| C. | Lignin factor |
| D. | Ray cross factor |
| Answer» B. Charge factor | |
| 13. |
It is not crucial to have authentic fiber samples of contributing species on hand for comparison with unknown samples. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
It is fundamental that the properties on paper depend on the fiber properties and the method of fiber preparation. |
| A. | True |
| B. | False |
| Answer» B. False | |