PKSC 1020 MIDTERM QUESTIONS &
ANSWERS(RATED A+)
The raw material for steel is - ANSWER iron
thermoset plastics - ANSWER have bonds that can stretch and have memory
The piece of molten glass coming out of the IS machine and traveling down the
deflector is called a - ANSWER gob
What type of can is this? - ANSWER two piece can
What is the middle type of seam called? - ANSWER Mechanical clinch seam
A disadvantage of using glass in packaging is: - ANSWER all of the above
What commonly used plastic was developed in 1930? - ANSWER Polyethylene (PE)
This method of sealing the body of a can to the top is used on: - ANSWER All of the
answers, except "none"
All petroleum based plastics are based chemically on what element? - ANSWER carbon
Steel cans are coated to: - ANSWER prevent corrosion of the metal
Which type of plastic can be described by minimal branching so the molecules can
come in 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 Polymerization
The first step in all plastic processing involves a(n) - ANSWER extruder
What is the material that is easiest to print on? - ANSWER paper
if you look at the bottom of a plastic package and there is a line pressed across the
bottom, you know the package is formed by - ANSWER extrusion blow molding
basis weight for paper and basebox for metals are units that indicate the amount of
coatings and plating weights, the units for each one respectively are: - ANSWER
lbs/3000ft^2 and 31,360in^2
The raw material for paper is: - ANSWER cellulose
ANSWERS(RATED A+)
The raw material for steel is - ANSWER iron
thermoset plastics - ANSWER have bonds that can stretch and have memory
The piece of molten glass coming out of the IS machine and traveling down the
deflector is called a - ANSWER gob
What type of can is this? - ANSWER two piece can
What is the middle type of seam called? - ANSWER Mechanical clinch seam
A disadvantage of using glass in packaging is: - ANSWER all of the above
What commonly used plastic was developed in 1930? - ANSWER Polyethylene (PE)
This method of sealing the body of a can to the top is used on: - ANSWER All of the
answers, except "none"
All petroleum based plastics are based chemically on what element? - ANSWER carbon
Steel cans are coated to: - ANSWER prevent corrosion of the metal
Which type of plastic can be described by minimal branching so the molecules can
come in 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 Polymerization
The first step in all plastic processing involves a(n) - ANSWER extruder
What is the material that is easiest to print on? - ANSWER paper
if you look at the bottom of a plastic package and there is a line pressed across the
bottom, you know the package is formed by - ANSWER extrusion blow molding
basis weight for paper and basebox for metals are units that indicate the amount of
coatings and plating weights, the units for each one respectively are: - ANSWER
lbs/3000ft^2 and 31,360in^2
The raw material for paper is: - ANSWER cellulose
