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ENGINEERING MATERIALS

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

zink

a)

ferrous metal

b)

non-ferrous metal

c)

polymer

d)

composite material

2.

rubber

a)

ferrous metal

b)

non-ferrous metal

c)

polymer

d)

composite material

3.

steel

a)

ferrous metal

b)

non-ferrous metal

c)

polymer

d)

composite material

4.

brass

a)

ferrous metal

b)

non-ferrous metal

c)

polymer

d)

composite material

5.

PVC

a)

ferrous metal

b)

non-ferrous metal

c)

polymer

d)

composite material

6.

tin

a)

ferrous metal

b)

non-ferrous metal

c)

polymer

d)

composite material

7.

concrete

a)

ferrous metal

b)

non-ferrous metal

c)

polymer

d)

composite material

8.

bronze

a)

ferrous metal

b)

non-ferrous metal

c)

polymer

d)

composite material

9.

Forms of matter that constitute an object.

a)

Polymers

b)

Materials

c)

Composites

d)

Ceramics

10.

Materials made by man using both organic and inorganic substances.

a)

Synthetic materials

b)

Natural materials

c)

Optical materials

d)

Biomedical materials

11.

A combination of at least two materials, one of which is a metal whose properties are different from its original form.

a)

Metalloid

b)

Ceramic

c)

Alloy

d)

Nanomaterial

12.

Large molecules made by boding a series of building blocks.

a)

Nanomolecules

b)

Polymers

c)

Composites

d)

Ceramics

13.

An inorganic non-metallic solid made up of either metal or non-metal compounds, primarily used in pottery.

a)

Alloy

b)

Composite

c)

Ceramics

d)

Polymer

14.

Materials that have high thermal and electric conductivity, as well as forming bonds and cations of non-metals.

a)

Alloys

b)

Metals

c)

Ceramics

d)

Nanomaterials

15.

A characterization technique that probes and maps the surface structures of a material using photons, electrons, ions or any other physical probes.

a)

Microscopy

b)

Macroscopy

c)

Spectroscopy

d)

Photoscropy

16.

A collection of several strands of glass that are mixed with plastic to make it durable.

a)

Graphene

b)

Prosthetic

c)

Fiberglass

d)

Polystyrene

17.

These materials are good insulators and strong di-electric. They are usually found in transmission lines.

a)

Alloys

b)

Ceramics

c)

Nanomaterials

d)

Composites

18.

Fiberglass is an example of which material?

a)

Alloy

b)

Nanomaterial

c)

Polymer

d)

Composite

19.

Cornstarch is a carbohydrate which is made up of long carbon chains. Cornstarch is classified as a/an

a)

Alloy

b)

Polymer

c)

Composite

d)

Nanomaterial

20.

What is the basis of all polymers?

a)

Organic compounds

b)

Inorganic compounds

c)

Ionic compounds

d)

Basic compounds

21.

Which of the following statements about x-ray is false?

a)

X-rays can cause ionization in atoms.

b)

X-rays have long wavelengths

c)

X-rays can help determine the elemental composition of a material.

d)

X-rays are readily absorbed by metals and bones.

22.

A form of microscopy where a high energy beam of electrons is shone on a very thin sample of an object creating a detailed two-dimensional image.

a)

Scanning Electron Microscopy

b)

Photon Microscopy

c)

Transmission Electron Microscopy

d)

X-ray

23.

Materials that are manufactured and used in small-scale settings.

a)

Composites

b)

Polymers

c)

Biomedical materials

d)

Nanomaterials

24.

A chemical reaction where two or more substances combine to form a new complex substance.

a)

Synthesis

b)

Metathesis

c)

Decomposition

d)

Single Displacement

25.

Capable of decreasing the rate of reactions by increasing the required activation energy.

a)

Catalyst

b)

Inhibitor

c)

Photo catalyst

d)

Autocatalysts

26.

Roughly, how many engineering materials are available to engineers today?

a)

3,000

b)

30,000

c)

300,000

d)

3,000,000

27.

The heaviest materials are generally?

a)

Composites

b)

Polymers

c)

Metals

d)

Ceramics

28.

The lightest materials are generally?

a)

Composites

b)

Polymers

c)

Metals

d)

Ceramics

29.

Global consumption of steel is higher than all of the other metals put together.

a)

True

b)

False

30.

The most abundant metal on Earth (including extracted and in it's crust) is?

a)

Titanium

b)

Aluminium

c)

Copper

d)

Iron