PKSC 1020 – MIDTERM QUESTIONS
AND ANSWERS 100% CORRECT
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
Steel cans are coated to: - ANSWER-precent corrosion of the metal
What is the function of sidewall beading in 3 piece cans? - ANSWER-- provide easy
handholds for customers
- provide good adhesion of paper labels
- maintain package integrity during packaging
Which type of plastic can be described by minimal branching so the molecules can
come in close contact? - ANSWER-high density polyethylene
A chemical reaction in which two or more monomers are linked together to form a larger
molecule (i.e. polymer) is: - ANSWER-polymerizatoin
The first step in all plastic processing involves a(n) - ANSWER-extruder
AND ANSWERS 100% CORRECT
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
Steel cans are coated to: - ANSWER-precent corrosion of the metal
What is the function of sidewall beading in 3 piece cans? - ANSWER-- provide easy
handholds for customers
- provide good adhesion of paper labels
- maintain package integrity during packaging
Which type of plastic can be described by minimal branching so the molecules can
come in close contact? - ANSWER-high density polyethylene
A chemical reaction in which two or more monomers are linked together to form a larger
molecule (i.e. polymer) is: - ANSWER-polymerizatoin
The first step in all plastic processing involves a(n) - ANSWER-extruder
