Explore topic-wise MCQs in Pulp Paper.

This section includes 17 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.

Fill in the blank. ________ = {(NaOH) / (NaOH + Na2CO3)} x 100%

A. Na2CO3
B. NaOH
C. CO3
D. Na
Answer» C. CO3
Discussion
2.

Derive the conversion factor of 0.775 utilized to express the weight of NaOH on an Na2O basis.

A. 0.775 g Na2O
B. 3.254 g Na2O
C. 15.775 g Na2O
D. 0.456 g Na2O
Answer» B. 3.254 g Na2O
Discussion
3.

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. Sulfidity
B. Causticity
C. Causticizing efficiency
D. Reduction efficiency
Answer» E.
Discussion
4.

The _________ is the ratio of NaOH to NaOH and Na2CO3.

A. Sulfidity
B. Causticity
C. Causticizing efficiency
D. Reduction efficiency
Answer» D. Reduction efficiency
Discussion
5.

In the _________ sulfidity’s the ratio of Na2S to the active alkali, expressed as a %.

A. Green liquor
B. Red liquor
C. White liquor
D. Black liquor
Answer» D. Black liquor
Discussion
6.

_________ is the sum of Na chemicals that will produce OH– during kraft pulping.

A. Active akali
B. Effective alkali
C. Causticity
D. Sulfidity
Answer» C. Causticity
Discussion
7.

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. Base
B. Total alkali
C. Total acid
D. Buffer
Answer» C. Total acid
Discussion
8.

DERIVE_THE_CONVERSION_FACTOR_OF_0.775_UTILIZED_TO_EXPRESS_THE_WEIGHT_OF_NAOH_ON_AN_NA2O_BASIS.?$

A. 0.775 g Na<sub>2</sub>O
B. 3.254 g Na<sub>2</sub>O
C. 15.775 g Na<sub>2</sub>O
D. 0.456 g Na<sub>2</sub>O
Answer» B. 3.254 g Na<sub>2</sub>O
Discussion
9.

Fill in the blank.$

A. / (NaOH + Na<sub>2</sub>CO<sub>3</sub>)} x 100%
B. Na<sub>2</sub>CO<sub>3</sub>
C. NaOH
D. CO<sub>3</sub>
Answer» C. NaOH
Discussion
10.

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. Sulfidity
B. Causticity
C. Causticizing efficiency
D. Reduction efficiency
Answer» E.
Discussion
11.

The _________ is the ratio of NaOH to NaOH and Na2CO3.

A. Sulfidity
B. Causticity
C. Causticizing efficiency
D. Reduction efficiency
Answer» D. Reduction efficiency
Discussion
12.

The _________ is the ratio of NaOH to active alkali, expressed as a %.

A. Active alkali
B. Liquor to wood ratio
C. Causticity
D. Sulfidity
Answer» D. Sulfidity
Discussion
13.

In the _________ sulfidity’s the ratio of Na2S to the active alkali, expressed as a %.$

A. Green liquor
B. Red liquor
C. White liquor
D. Black liquor
Answer» D. Black liquor
Discussion
14.

_________ is the sum of Na chemicals that will produce OH– during kraft pulping.$

A. Active akali
B. Effective alkali
C. Causticity
D. Sulfidity
Answer» C. Causticity
Discussion
15.

The sum of the active ingredients in the pulping process is called active alkali.

A. True
B. False
Answer» B. False
Discussion
16.

_________ is the sum of all of the bases in the white liquor that could be titrated with strong acid.

A. Total titratable alkali
B. Active alkali
C. Total chemical
D. Total alkali
Answer» B. Active alkali
Discussion
17.

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. Base
B. Total alkali
C. Total acid
D. Buffer
Answer» C. Total acid
Discussion