Q.1
The Asplund process was developed aboutyears prior to TMP.
  • a) True
  • b) False
Q.2
Asplund process involves pre-steaming wood chips at temperature above the glass transition temperature of lignin.
  • a) True
  • b) False
Q.3
What is the pressure range at which the wood chips are pre-streamed?
  • a) 1300-1950 kPa
  • b) 550-950 kPa
  • c) 42-78 kPa
  • d) 1285-1950 kPa
Q.4
What is the steam pressure range at which the wood chips are pre-heated?
  • a) 50-200 degree celcius
  • b) 300-340 degree celcius
  • c) 1500-2000 degree celcius
  • d) 150-170 degree celcius
Q.5
The lignin is sufficiently soft that the separation occurs at __ lamella, and fibers are left with just a hard lignin surface.
  • a) Upper
  • b) Lower
  • c) Middle
  • d) Outskirt
Q.6
What is the other name of Masonite process?
  • a) Ignition process
  • b) Steam explosion
  • c) Mason process
  • d) TMP
Q.7
What is the temperature range at which chips are steamed in the Masonite process?
  • a) 1500-1690 degree Fahrenheit
  • b) 35-80 degree Fahrenheit
  • c) 155-480 degree Fahrenheit
  • d) 335-480 degree Fahrenheit
Q.8
What is the range of yield in the Masonite process?
  • a) 50-60%
  • b) 40-30%
  • c) 80-90%
  • d) 10-20%
Q.9
Chips are steamed well above the glass transition temperature of lignin, for one to two minutes until final pressure is on the order of __ MPascal.
  • a) 14-20
  • b) 4-7
  • c) 19-25
  • d) 3-4
Q.10
A mild explosion pulping process is being used at one mill to process __ paper.
  • a) Recycled
  • b) Un-used
  • c) Over-used
  • d) Bloated
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