MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Pulp & Paper Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Derive the conversion factor of 0.775 utilized to express the weight of NaOH on an Na2O basis. |
| A. | a)0.775 g Na2O |
| B. | b)3.254 g Na2O |
| C. | c)15.775 g Na2O |
| D. | d)0.456 g Na2O |
| Answer» B. b)3.254 g Na2O | |
| 2. |
The ratio of Na2S to the sum of Na2S and Na2SO4 in green liquor expressed as a percentage. What’s the name of the topic? |
| A. | a)Sulfidity |
| B. | b)Causticity |
| C. | c)Causticizing efficiency |
| D. | d)Reduction efficiency |
| Answer» E. | |
| 3. |
The _________ is the ratio of NaOH to NaOH and Na2CO3. |
| A. | a)Sulfidity |
| B. | b)Causticity |
| C. | c)Causticizing efficiency |
| D. | d)Reduction efficiency |
| Answer» D. d)Reduction efficiency | |
| 4. |
In the _________ sulfidity’s the ratio of Na2S to the active alkali, expressed as a %. |
| A. | a)Green liquor |
| B. | b)Red liquor |
| C. | c)White liquor |
| D. | d)Black liquor |
| Answer» D. d)Black liquor | |
| 5. |
_________ is the sum of Na chemicals that will produce OH– during kraft pulping. |
| A. | a)Active akali |
| B. | b)Effective alkali |
| C. | c)Causticity |
| D. | d)Sulfidity |
| Answer» C. c)Causticity | |
| 6. |
The _________ is the sum of all of the Na salts in the liquors (as Na2O) that contribute to AA in the kraft cycle, specifically NaOH, Na2S, Na2CO3, and Na2O. |
| A. | a)Base |
| B. | b)Total alkali |
| C. | c)Total acid |
| D. | d)Buffer |
| Answer» C. c)Total acid | |