PKSC 1020 – MIDTERM QUESTIONS &
ANSWERS(RATED A+)
The raw material of aluminum is - ANSWER bauxite
The raw material for steel is - ANSWER iron
Thermoset plastics... - ANSWER when exposed to high temperatures, has bonds that
are set and CAN'T be unlocked
2 piece can - ANSWER what type of can is this?
* What is the top type of seam called? - ANSWER double hook seam
A disadvantage of using glass in packaging is: - ANSWER - energy intensive
manufacturing process
- heavy
- breakable
The raw material for glass is - ANSWER sand
What commonly used plastic was developed in 1930? - ANSWER Polyethylene
This method of sealing (double seam) the body of a can to the top is used on: -
ANSWER two piece and three piece cans
All petroleum based plastics are based chemically on what element? - ANSWER
Carbon
What plastic is used for red meat to allow it to turn bright red in color? - ANSWER PVC
(polyvinyl chloride)
Finish the conversion: 0.003" = 3 mil = ? gauge - ANSWER 300
What plastic is called the "living hinge"? - ANSWER PP (polypropylene)
The difference between a plastic sheet and film is... - ANSWER the thickness
This image is one from the bottom of a Dasani water bottle that you get from a vending
machine. How was this plastic formed? - ANSWER injection stretch blow molding
What is the material that is easiest to print on? - ANSWER paper
ANSWERS(RATED A+)
The raw material of aluminum is - ANSWER bauxite
The raw material for steel is - ANSWER iron
Thermoset plastics... - ANSWER when exposed to high temperatures, has bonds that
are set and CAN'T be unlocked
2 piece can - ANSWER what type of can is this?
* What is the top type of seam called? - ANSWER double hook seam
A disadvantage of using glass in packaging is: - ANSWER - energy intensive
manufacturing process
- heavy
- breakable
The raw material for glass is - ANSWER sand
What commonly used plastic was developed in 1930? - ANSWER Polyethylene
This method of sealing (double seam) the body of a can to the top is used on: -
ANSWER two piece and three piece cans
All petroleum based plastics are based chemically on what element? - ANSWER
Carbon
What plastic is used for red meat to allow it to turn bright red in color? - ANSWER PVC
(polyvinyl chloride)
Finish the conversion: 0.003" = 3 mil = ? gauge - ANSWER 300
What plastic is called the "living hinge"? - ANSWER PP (polypropylene)
The difference between a plastic sheet and film is... - ANSWER the thickness
This image is one from the bottom of a Dasani water bottle that you get from a vending
machine. How was this plastic formed? - ANSWER injection stretch blow molding
What is the material that is easiest to print on? - ANSWER paper
