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Plastics Tech.

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

A pathway by which plastics enters a mold

a)

Logic gate

b)

Funnel

c)

Nozzel

d)

Sprue

2.

Fluidity - sate of thickness, consistancy

a)

Oil

b)

Germinosity

c)

Viscosity

d)

Embelancy

3.

Substances able to be shaped and rehsaped by heating / softeneing then cooled and hardened.

a)

Rhinoplastic

b)

Thermoplastic

c)

Thermocouple

d)

Temposensitive

4.

The first plastic made from synthetic components

a)

Teflon

b)

Mica

c)

Bakelite

d)

Polyester

5.

Process slowly cooling to reduce brittleness.

a)

Adapting

b)

Forging

c)

Fusion

d)

Annealing

e)

Casting

6.

Synthetic plastic fibers for textiles /clothes.

a)

Polystyrene

b)

Polypropalene

c)

Polyester

d)

Polysilacone

7.

Hig volume manufacturing process by which raw plastic is melted and formed in to a continuous profile such as a pipe or track.

a)

Englusion

b)

Extrusion

c)

Malvesing

d)

Vacuum Molding

8.

Developed in the 1930's, but became very popular in the 1980's. Very hard and slick plastic used in protection and cookware applications.

a)

Teflon

b)

Armitron

c)

Mica

d)

Polywool

9.

Used fro sizing wire and strands of plastic. Higher the number, the smaller the diameter.

a)

AWG

b)

AIG

c)

NATGEO

d)

ANSI

10.

Atextile fabric made from regenerated Cellulose.

a)

PVC

b)

Rayon

c)

Melamine

d)

Mica

e)

Monomer

11.

Plastic that is very hard in nature. Durable. Difficult to recycle.

a)

Thermoset

b)

Thermocouple

c)

Thermoplastic

d)

Polyethelene

e)

Polycarbonate

12.

Polyvinyl Chloride:

a)

AFG

b)

EKG

c)

PFC

d)

PVG

e)

PVC

13.

Themoplastics can be heated and reshaped over and over.

a)

True

b)

False

14.

First plastic made from synthetic components

a)

Mica

b)

Teflon

c)

Saran

d)

Bakelite

e)

Polywool

15.

Process used fro softening plastics and metals

a)

Casting

b)

Forging

c)

Annealing

d)

Cracking

16.

Fluidity of a substance such as oil or liquid plastic.

a)

Thickness

b)

Obscosity

c)

Viscosity

d)

Brittlenss

e)

Liquidity

17.

A sticky, flammable substance exuded by trees or other plants.

a)

Cellulose

b)

Sap

c)

Resin

d)

Monomer

18.

Transparent flammable plastics made in to sheet products

a)

Celluloid

b)

Copolymer

c)

Rayon

d)

Polyester

19.

Process used to make pastic bottles

a)

Rotational Molding

b)

Casting

c)

Injection Blow Molding

d)

Extrusion

20.

Used to make plastic and PVC pipes

a)

Extrusion

b)

Casting

c)

Injection Molding

d)

3D Printing