Explore topic-wise MCQs in Pulp Paper.

This section includes 15 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.

Drop leg is ideally a vertical drop. It’s horizontal section is a needed, and it should be exactly horizontally placed at least __________m below the washer.

A. 1
B. 5
C. 55
D. 7
Answer» E.
2.

The vacuum supplied by drop leg for the first stage is of range ___________

A. 12kPa
B. 15kPa
C. 20kPa
D. 24kPa
Answer» E.
3.

A ___________ is used to siphon the water from the washer so that a vacuum pump is not usually required.

A. Drop hand
B. Drop leg
C. Drop finger
D. Drop thumb
Answer» C. Drop finger
4.

The soda loss in pulp is traditionally measured as ___________ pulp on a Na2SO4 basis.

A. Kg/lb
B. Lb/kg
C. Lb/ton
D. Ton/lb
Answer» D. Ton/lb
5.

Pulp washers are also known as ‘Black stock washers’.

A. True
B. False
Answer» B. False
6.

THE_VACUUM_SUPPLIED_BY_DROP_LEG_FOR_THE_FIRST_STAGE_IS_OF_RANGE____________?$

A. 12kPa
B. 15kPa
C. 20kPa
D. 24kPa
Answer» E.
7.

Drop_leg_is_ideally_a_vertical_drop._It’s_horizontal_section_is_a_needed,_and_it_should_be_exactly_horizontally_placed_at_least___________m_below_the_washer.$#

A. 1
B. 5
C. 55
D. 7
Answer» E.
8.

A ___________ is used to siphon the water from the washer so that a vacuum pump is not usually required?

A. Drop hand
B. Drop leg
C. Drop finger
D. Drop thumb
Answer» C. Drop finger
9.

The soda loss in pulp is traditionally measured as ___________ pulp on a Na2SO4 basis.

A. Kg/lb
B. Lb/kg
C. Lb/ton
D. Ton/lb
Answer» D. Ton/lb
10.

Low dilution factor ___________ the energy requirements of the multiple effects evaporators.

A. Increases
B. Decreases
C. Freezes
D. Skips
Answer» C. Freezes
11.

Following is the way to calculate dilution factor:-

A. Mass of water per unit mass of dry pulp
B. Mass of acid per unit mass of dry pulp
C. Mass of buffer solution per unit mass of dry pulp
D. Mass of base per unit mass of dry pulp
Answer» B. Mass of acid per unit mass of dry pulp
12.

The dilution factor is a measure amount of ___________ used in washing.

A. Acid
B. Base
C. Water
D. Salt
Answer» D. Salt
13.

Following the reason behind the removal of lignin in Pulp washers:-

A. To reduce bleaching chemical demand
B. To increase bleaching chemical demand
C. To maintain constant bleaching chemical demand
D. To freeze bleaching chemical demand
Answer» B. To increase bleaching chemical demand
14.

Pulp washers use counter-current flow between stages such that the pulp moves opposite in direction to the flow of wash water.

A. True
B. False
Answer» C.
15.

Pulp washers are also known as ‘Black stock washers’.

A. True
B. False
Answer» B. False