Paper Making MCQ

Test your knowledge with important Paper Making MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Paper Making MCQs on Bissoy. Bissoy App

• Usually, there is less variation in paper properties in the MD than in the CD.
  ক

  True

  খ

  False
• The grain direction is known as the machine direction (MD), while the cross direction (CD) is the direction of the paper at right angles to the MD.
  ক

  True

  খ

  False
• Paper has a definite caused by the greater orientation of fibers.
  ক

  Yield

  খ

  Strain

  গ

  Stretch

  ঘ

  Grain
• Pigments comprise ______ of the dry solids in paper coatings.
  ক

  10%–30%

  খ

  70%–90%

  গ

  40%–50%

  ঘ

  60%–90%
• Pigments are added at the wet end of the paper machine and serve to fill the sheet.
  ক

  True

  খ

  False
• __________ are widely used in paper coatings for oil and moisture resistance in microwave popcorn bags.
  ক

  Chlorochemicals

  খ

  Hydrogen peroxide

  গ

  Fluorochemicals

  ঘ

  Polyphenols
• An optimum concentration of coating solution for improving water resistance of paperboard is _____
  ক

  1.5 w/v%

  খ

  2.5 w/v%

  গ

  3 w/v%

  ঘ

  1 w/v%
• The application of chemicals to the surface of a paper web is done with _______
  ক

  Stew press

  খ

  Scaling press

  গ

  Screw press

  ঘ

  Size press
• The final moisture content of paper after pressing and drying is __________
  ক

  4%–10%

  খ

  10%–20%

  গ

  1%–5%

  ঘ

  40%–50%
• The moisture content of the paper sheet after passing through the rotary presses is _______
  ক

  80%–90%

  খ

  60%–70%

  গ

  40%–50%

  ঘ

  10%–20%
• The moisture content of the paper sheet before entering the dryer is _______
  ক

  35%–40%

  খ

  35%–50%

  গ

  45%–60%

  ঘ

  75%–90%
• ___________ are particularly used for lightweight sheets, corrugated media and linerboard grades.
  ক

  Fourinder machine

  খ

  Roller Presses

  গ

  Twin-wire formers

  ঘ

  Cylinder machine
• _________ are used to produce heavy multi-ply boards.
  ক

  Fourinder machine

  খ

  Cylinder machine

  গ

  Twin-Wire Formers

  ঘ

  Roller Presses
• Paper greater than ________ is considered paperboard.
  ক

  300 μm

  খ

  200 μm

  গ

  500 μm

  ঘ

  400 μm
• Which of the following was the first paper making machine?
  ক

  Fourinder machine

  খ

  Cylinder machine

  গ

  Twin-Wire Formers

  ঘ

  Roller Presses
• Resistance of paper against water is called wet-strength.
  ক

  True

  খ

  False
• Which of the following is used to increase water resistance of paper?
  ক

  Filling

  খ

  Sizing

  গ

  Stretching

  ঘ

  Sheeting
• Which of the following is not a filler used in paper?
  ক

  Titanium dioxide

  খ

  Sodium hydroxide

  গ

  Kaolin clay

  ঘ

  Calcium carbonate
• In many paper mills, beaters have been replaced by ________
  ক

  Continuous refiners

  খ

  Continuous disks

  গ

  Continuous sheets

  ঘ

  Continuous templates
• Extreme beating produces very dense, translucent, glassine-type sheets.
  ক

  True

  খ

  False
• An unbeaten pulp has a low density.
  ক

  True

  খ

  False
• After beating, the mixture of pulp is brought to a consistency of ______
  ক

  3%–5%.

  খ

  1%–7%.

  গ

  5%–7%.

  ঘ

  6%–9%.
• The object of beating is _________ of the fibers by assisting them to imbibe water.
  ক

  To increase the surface area

  খ

  To decrease the surface area

  গ

  To increase the volume

  ঘ

  To decrease the volume
• Stock (fibrous material) is prepared by which of the following processes?
  ক

  Extraction and expelling

  খ

  Beating and extraction

  গ

  Extraction and refining

  ঘ

  Beating and refining
• The separation of all the fibers from one another and their dispersion in water is called ________
  ক

  Slushing

  খ

  Sheeting

  গ

  Wetting

  ঘ

  Mashing
• __________ is the interface between the pulp mill and the papermaking process.
  ক

  Stew preparation

  খ

  Stock preparation

  গ

  Dew preparation

  ঘ

  Stall preparation