In this piece of equipment, thick stock is mixed with white water to form thin stock for the
headbox of the paper machine
a. Saveall
b. Manifold
c. Dilution chest
d. Deculator
e. Fan pump Correct answer- e. Fan Pump
In stock preparation, refining is required to improve sheet/board __________...
In this piece of equipment, thick stock is mixed with white water to form thin stock for the
headbox of the paper machine
a. Saveall
b. Manifold
c. Dilution chest
d. Deculator
e. Fan pump Correct answer- e. Fan Pump
In stock preparation, refining is required to improve sheet/board ___________
a. Caliper
b. Basis weight
c. Density
d. Strength
e. Yield Correct answer- d. Strength
If a paper machine's headbox approach system features centrifugal cleaners, what
device might be employed to remove air entrained in the cleaner accepts?
a. De-mister
b. Hoover
c. Deculator
d. Screen
e. Attenuator Correct answer- c. Deculator
Why are table rolls not used on modern, high-speed paper machines?
a. Create too much micro-turbulence
b. Too slow
c. Can't be made wide enough
d. Corrode too easily
e. Not enough suction Correct answer- a. Create too much micro-turbulence
For conventional roll presses, what problem makes it necessary to have multiple
nips/stages?
a. Over-heating
b. Space
c. Cost
d. Crushing
, e. Basis weight variations Correct answer- d. Crushing
This is the most common type of freeness test used in North America
a. Canadian Standard
b. TAPPI drainage
c. MLS
d. Schopper-Riegler
e. Drainiac Correct answer- a. Canadian Standard
In the stock prep area, consistency must be measured accurately and controlled well in
order to achieve what critical sheet property?
a. Basis weight
b. Density
c. Bulk
d. Tensile breaking length
e. Width Correct answer- a. Basis weight
What are the three main types of paper machines?
a. single-wire, twin-wire, multi-wire
b. gravity, compression, gap
c. fourdrinier, top-wire, gap
d. incline, horizontal, hybrid Correct answer- c. fourdrinier, top-wire, gap
A paper machine with one forming wire is called a ____________
a. Fourdrinier
b. Robert
c. Donkin
d. Bottom former Correct answer- a. Fourdrinier
What term is used to describe the fur-like structures on the fiber surface after refining?
a. Fibrillation
b. Sueding
c. Spleening
d. Cronification
e. Shredding Correct answer- a. Fibrillation
In stock prep, refining is typically controlled by measuring
a. Basis weight
b. Temperature
c. Freeness
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