Question 1

Toxic hydrogen cyanide (HCN) is generated by burning

Accepted Answer

A)  polyacrylonitrile. 
B)  rubber. 
C)  bullet-proof vests. 
D)  polystyrene. 
A)  polyacrylonitrile. 
B)  rubber. 
C)  bullet-proof vests. 
D)  polystyrene.

Question 2

Distinguish between a polymer like polyethylene and a copolymer like styrene-butadiene rubber (SBR).

Accepted Answer

Polyethylene and styrene-butadiene rubbe

Question 3

Polymers can be made from corn, soybeans, and sugarcane.

Accepted Answer

A) True 
 B)False

Question 4

The monomer of polypropylene is

Accepted Answer

A)  CH2  
  CH2. 
B)  CH2  
  CH-CH3. 
C)  CH3CH3. 
D)  CH3CH2CH3. 
A)  CH2  
  CH2. 
B)  CH2  
  CH-CH3. 
C)  CH3CH3. 
D)  CH3CH2CH3.

Question 5

Lycra bicycle shorts and exercise clothing contain fibers that have great strength and rigidity as well as the ability to stretch. These fibers are probably composed of

Accepted Answer

A)  natural rubber. 
B)  amorphous polymers. 
C)  crystalline polymers. 
D)  a creative combination of amorphous and crystalline polymers. 
A)  natural rubber. 
B)  amorphous polymers. 
C)  crystalline polymers. 
D)  a creative combination of amorphous and crystalline polymers.

Question 6

Name three advantages of acrylic fiber yarns over wool.

Accepted Answer

don't shrink in wate

Question 7

LDPE stands for

Accepted Answer

A)  linearly dense polyethylene. 
B)  light diffuse polyethylene. 
C)  low-density polyethylene. 
D)  lightly doped polyethylene. 
A)  linearly dense polyethylene. 
B)  light diffuse polyethylene. 
C)  low-density polyethylene. 
D)  lightly doped polyethylene.

Question 8

Polyvinyl chloride is used for drain pipe in plumbing applications. It has replaced traditional cast iron pipe for this purpose. List the advantages of PVC for plumbers, the plumbing industry and homeowners.

Accepted Answer

Polyvinyl chloride (PVC) has become a po

Question 9

Which of the following roots means "many"?

Accepted Answer

A)  mer 
B)  mono 
C)  poly 
D)  tetra 
A)  mer 
B)  mono 
C)  poly 
D)  tetra

Question 10

Draw part of the repeating structure of polyvinyl acetate.

Accepted Answer

Polyvinyl acetate (PVAc) is a synthetic

Question 11

Compare thermoplastic and thermosetting polymers.

Accepted Answer

Thermoplastic and thermosetting polymers

Question 12

The source of starting materials for synthetic polymers is primarily

Accepted Answer

A)  wood. 
B)  petroleum and natural gas. 
C)  water. 
D)  metals. 
A)  wood. 
B)  petroleum and natural gas. 
C)  water. 
D)  metals.

Question 13

Another name for Teflon is

Accepted Answer

A)  LDPE. 
B)  PVC. 
C)  PTFE. 
D)  HDPE. 
A)  LDPE. 
B)  PVC. 
C)  PTFE. 
D)  HDPE.

Question 14

Fire-retardant fabrics often have nitrogen or zinc atoms incorporated into the fibers of the polymers from which the cloth is made.

Accepted Answer

A) True 
 B)False

Question 15

All polymers made from polyethylene will have the same density.

Accepted Answer

A) True 
 B)False

Question 16

The temperature in many parts of the world can range between 0°C and 40°C, therefore we want the Tg of PVC used as seat covers in cars to be

Accepted Answer

A)  greater than 40°C. 
B)  less than 40°C but greater than 0°C. 
C)  exactly 0°C. 
D)  less than 0°C. 
A)  greater than 40°C. 
B)  less than 40°C but greater than 0°C. 
C)  exactly 0°C. 
D)  less than 0°C.

Question 17

Silicone is a(n)

Accepted Answer

A)  polyester. 
B)  plasticizer. 
C)  conducting polymer. 
D)  None of the above. 
A)  polyester. 
B)  plasticizer. 
C)  conducting polymer. 
D)  None of the above.

Question 18

The development of which polymer enabled the British to have effective radar equipment and thus contributed to the British success in the Battle of Britain in World War II?

Accepted Answer

A)  polystyrene 
B)  polyvinyl chloride 
C)  Teflon 
D)  polyethylene 
A)  polystyrene 
B)  polyvinyl chloride 
C)  Teflon 
D)  polyethylene

Question 19

The temperature in many parts of the world can range between 0°C and 40°C, therefore we want the Tg of car tires to be

Accepted Answer

A)  greater than 40°C. 
B)  less than 40°C but greater than 0°C. 
C)  exactly 0°C. 
D)  less than 0°C. 
A)  greater than 40°C. 
B)  less than 40°C but greater than 0°C. 
C)  exactly 0°C. 
D)  less than 0°C.

Question 20

The substance in paints that hardens to form a continuous surface coating is called a

Accepted Answer

A)  pigment. 
B)  binder. 
C)  solvent. 
D)  thinner. 
A)  pigment. 
B)  binder. 
C)  solvent. 
D)  thinner.

Exam 10: Polymers

Toxic hydrogen cyanide (HCN) is generated by burning

Distinguish between a polymer like polyethylene and a copolymer like styrene-butadiene rubber (SBR).

Polymers can be made from corn, soybeans, and sugarcane.

The monomer of polypropylene is

Lycra bicycle shorts and exercise clothing contain fibers that have great strength and rigidity as well as the ability to stretch. These fibers are probably composed of

Name three advantages of acrylic fiber yarns over wool.

LDPE stands for

Polyvinyl chloride is used for drain pipe in plumbing applications. It has replaced traditional cast iron pipe for this purpose. List the advantages of PVC for plumbers, the plumbing industry and homeowners.

Which of the following roots means "many"?

Draw part of the repeating structure of polyvinyl acetate.

Compare thermoplastic and thermosetting polymers.

The source of starting materials for synthetic polymers is primarily

Another name for Teflon is

Fire-retardant fabrics often have nitrogen or zinc atoms incorporated into the fibers of the polymers from which the cloth is made.

All polymers made from polyethylene will have the same density.

The temperature in many parts of the world can range between 0°C and 40°C, therefore we want the Tg of PVC used as seat covers in cars to be

Silicone is a(n)

The development of which polymer enabled the British to have effective radar equipment and thus contributed to the British success in the Battle of Britain in World War II?

The temperature in many parts of the world can range between 0°C and 40°C, therefore we want the Tg of car tires to be

The substance in paints that hardens to form a continuous surface coating is called a

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The temperature in many parts of the world can range between 0°C and 40°C, therefore we want the T_g of PVC used as seat covers in cars to be

The temperature in many parts of the world can range between 0°C and 40°C, therefore we want the T_g of car tires to be