Explore topic-wise MCQs in Pulp Paper.

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.

What is cogeneration?

A. Producing electricity from steam
B. Producing steam from electricity
C. Producing light from steam
D. Producing power from steam
Answer» B. Producing steam from electricity
2.

Fill in the blank. thermal efficiency =(__________)/total heat input

A. steam to heat
B. heat to steam
C. heat recovery
D. cogeneration
Answer» C. heat recovery
3.

Which of the following is the reaction which takes place in the Reduction zone in the Recovery Boiler?

A. Na2SO2+4C→Na2S+4 CO
B. 2C+ O2→2CO
C. CO+1/2 O2→CO2
D. H2S+1/2 O2→SO2+ H2O
Answer» B. 2C+ O2→2CO
4.

FILL_IN_THE_BLANK.?$

A. /total heat input
B. steam to heat
C. heat to steam
D. heat recovery
Answer» C. heat to steam
5.

What_is_cogeneration?$

A. Producing electricity from steam
B. Producing steam from electricity
C. Producing light from steam
D. Producing power from steam
Answer» B. Producing steam from electricity
6.

Which of the following is the reaction which takes place in the Drying zone in the Recovery Boiler?

A. Organics‚ÜíC+CO+ H<sub>2</sub>
B. CO+1/2 O<sub>2</sub>‚Üí CO<sub>2</sub>
C. C+ H<sub>2</sub>O‚ÜíCO+ H<sub>2</sub>
D. 2C+ O<sub>2</sub>‚Üí2CO
Answer» B. CO+1/2 O<sub>2</sub>‚Äö√Ñ√∂‚àö√∫‚àö‚↠CO<sub>2</sub>
7.

Which of the following is the reaction which takes place in the Oxidation zone in the Recovery Boiler?

A. CO+1/2O<sub>2</sub> ‚Üí CO<sub>2</sub>
B. Organics ‚ÜíC+CO+H<sub>2</sub>
C. C+H<sub>2</sub>O ‚Üí CO+ H<sub>2</sub>
D. 2C+ O<sub>2</sub>‚Üí2CO
Answer» B. Organics ‚Äö√Ñ√∂‚àö√∫‚àö‚â†C+CO+H<sub>2</sub>
8.

Which of the following is the chemical react. in the recovery boiler in addition to combustion?

A. 2NaOH + CO<sub>2</sub>U ‚Üí Na<sub>2</sub>CO<sub>2</sub>+H<sub>2</sub>O and Na<sub>2</sub>SO<sub>2</sub> +4C ‚Üî 6Na<sub>2</sub>S + 4CO
B. 2NaOH + CO<sub>2</sub> ‚Üí Na<sub>2</sub>CO<sub>2</sub> and Na<sub>2</sub>SO<sub>2</sub>+4C ‚Üî 4CO
C. 2NaOH + CO<sub>2</sub> ‚Üí Na<sub>2</sub>CO<sub>2</sub>+H<sub>2</sub>O<sub>2</sub> and Na<sub>2</sub>SO<sub>2</sub>+4C ‚Üî Na<sub>2</sub>S +4CO<sub>2</sub>
D. 2NaOH + CO<sub>2</sub> ‚Üí Na<sub>2</sub>CO<sub>2</sub>+H<sub>2</sub>O and Na<sub>2</sub>SO<sub>2</sub>+4C ‚Üî Na<sub>2</sub>S +4CO
Answer» E.
9.

The newest recovery boilers may support 2500-3000 tons of pulp production per day.

A. True
B. False
Answer» B. False
10.

What is the full form of ESP in Recovery boiler?

A. Emergency shutdown point
B. Emergency shutdown procedure
C. Emergency start procedure
D. Emergency shared procedure
Answer» C. Emergency start procedure
11.

There are three zones in recovery boilers; which are as follows in top to bottom order?

A. Oxidation, drying and reducing zone
B. Reducing, drying and oxidation zone
C. Drying, oxidation and reducing zone
D. Drying, reducing and oxidation zone
Answer» B. Reducing, drying and oxidation zone
12.

The purpose of the recovery boiler is to recover the inorganic chemicals as smelt, burn the organic chemicals so they are not discharge from the mill as pollutants, and recover the heat of combustion in the form of heat.

A. True
B. False
Answer» B. False