PKSC 1020 EXAM 2 QUESTIONS &
ANSWERS
Quality tests primarily target what segment of packaging? - ANSWER materials
What is the process of combining materials that does use discrete, separate layers
stuck together with adhesive? - ANSWER lamination
What type of lamination requires that solvents are dried on the substrate AFTER the
plies are joined together? - ANSWER wet bond lamination
What type of closure is abbreviated as a CT closure? - ANSWER continuous thread
What is another name for interrupted thread closure? - ANSWER lug
When a material has a crease in it and the crease stays in the material so that the flap
does not come back up, this feature is called - ANSWER dead fold
If the permeability of a material is 750 cc/mil/24hrs when its thickness is 3 mils, then
when the thickness is decreased to 1.5 mils, the permeability changes to - ANSWER
1500 cc/mil/24hrs
Three types of packaging forms are: - ANSWER rigid, semi-rigid, flexible
How many mils thick is a material that is 0.000775ft thick? - ANSWER about 0.009 mils
The three types of testing one performs for the Packaging Industry are: - ANSWER
quality, environmental, and distribution
The purposes of simulated tests are: - ANSWER uniformity and shorter testing time
During accelerated aging, the reaction rate ________ with every 10 degree C rise in
temperature - ANSWER doubles
During vibration, objects are most likely to break or become damaged during what part
of the vibration spectrum? - ANSWER amplification
Things that can decrease compression strength of boxes when stacked on a pallet are:
- ANSWER extended warehousing and interlocked stacking, overhang and bulging,
overhang and humidity (all of the answers but none)
A box containing 70 lbs is in a column stack of 6 identical total boxes. The box will have
normal warehousing, column stack, and ho overhang. For what strength should you
design the bottom box? (math problem) - ANSWER 1400
ANSWERS
Quality tests primarily target what segment of packaging? - ANSWER materials
What is the process of combining materials that does use discrete, separate layers
stuck together with adhesive? - ANSWER lamination
What type of lamination requires that solvents are dried on the substrate AFTER the
plies are joined together? - ANSWER wet bond lamination
What type of closure is abbreviated as a CT closure? - ANSWER continuous thread
What is another name for interrupted thread closure? - ANSWER lug
When a material has a crease in it and the crease stays in the material so that the flap
does not come back up, this feature is called - ANSWER dead fold
If the permeability of a material is 750 cc/mil/24hrs when its thickness is 3 mils, then
when the thickness is decreased to 1.5 mils, the permeability changes to - ANSWER
1500 cc/mil/24hrs
Three types of packaging forms are: - ANSWER rigid, semi-rigid, flexible
How many mils thick is a material that is 0.000775ft thick? - ANSWER about 0.009 mils
The three types of testing one performs for the Packaging Industry are: - ANSWER
quality, environmental, and distribution
The purposes of simulated tests are: - ANSWER uniformity and shorter testing time
During accelerated aging, the reaction rate ________ with every 10 degree C rise in
temperature - ANSWER doubles
During vibration, objects are most likely to break or become damaged during what part
of the vibration spectrum? - ANSWER amplification
Things that can decrease compression strength of boxes when stacked on a pallet are:
- ANSWER extended warehousing and interlocked stacking, overhang and bulging,
overhang and humidity (all of the answers but none)
A box containing 70 lbs is in a column stack of 6 identical total boxes. The box will have
normal warehousing, column stack, and ho overhang. For what strength should you
design the bottom box? (math problem) - ANSWER 1400
