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29203-15 Physical and Mechanical Properties of Metals

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

Steel begins to develop brittle properties when the amount of carbon added is more than 1.4%.

a)

True

b)

False

2.

In the American Iron and Steel Institute classification system for carbon steels, the manufacturing process is indicated with a _____.

a)

hashtag

b)

three digit number

c)

two digit number

d)

letter prefix

3.

What makes plain-carbon steels and High Strength Low-Alloy steels different is _____.

a)

magnetic properties

b)

weldability

c)

the addition of alloys

d)

porosity resistance

4.

_____ is commonly manufactured using a quench-and-temper process.

a)

Channel

b)

Plate

c)

Steel bar

d)

Sheet metal

5.

A common grade of non-magnetic stainless steel is known as _____.

a)

superferritic

b)

duplex

c)

austenitic

d)

martensitic

6.

A type of stainless steel designed for a good weight-to-strength ratio, used in jet aircraft manufacturing is _____.

a)

superaustenitic stainless steel

b)

superferritic stainless steel

c)

duplex stainless steel

d)

precipitation-hardening stainless steel

7.

Precious Metals like platinum, gold and silver are often used to make electrical contacts, electrodes, and similar industrial components.

a)

True

b)

False

8.

Specific gravity is the weight of a metal compared to the weight of _____.

a)

one square foot of dry sand

b)

one square foot of water

c)

an equal volume of dry earth

d)

an equal volume of water

9.

Stress is a force that causes metal to _____.

a)

deform

b)

increase in size

c)

increase in electrical conductivity

10.

The maximum tensile stress a material can withstand without permanently breaking is known as its _____.

a)

ductility

b)

hardness

c)

shear force

d)

yield strength

11.

A sprayed-on color can be used to identify base metal _____.

a)

grades

b)

ASTM letters

c)

types

d)

hardnesses

12.

Metals that are non-magnetic are classified as _____.

a)

carbon steels

b)

nonferrous metals

c)

ferritic stainless steel

d)

martensitic stainless steels

13.

Surface contamination like mill scale and rust is most commonly removed with _____.

a)

chemical cleaning

b)

mechanical cleaning

c)

brief soaking in water

d)

wire brushing by hand

14.

Sheet metal is rolled metal with a uniform thickness of less than _____.

a)

3/16" (4.8 mm)

b)

7/16" (11.1 mm)

c)

1/2" (12.7 mm)

d)

3/4" (19.1 mm)

15.

How much does a 5-foot long section of channel C8 × 11.5 weigh in pounds?

a)

57.5

b)

580

c)

230

d)

1,150

16.

For a beam with a designation of S24 × 120, the number 120 indicates the beam’s _____.

a)

depth

b)

width

c)

weight

d)

grade

17.

The weight of a beam with a given dimension can be increased by adding thickness to the beam’s _____.

a)

width and flanges

b)

depth and web

c)

web and flanges

d)

width and depth

18.

As the pipe schedule number increases, the pipe’s _____.

a)

OD stays the same while the ID becomes smaller

b)

OD and ID both become larger

c)

OD and ID both become smaller

d)

OD increases while the ID stays the same

19.

The size of standard round tubing is based on the tubing’s _____.

a)

actual Outside Diameter

b)

nominal Inside Diameter

c)

actual Inside Diameter

d)

nominal Outside Diameter

20.

A material that is commonly sintered to fuse it into a solid metal is _____.

a)

powdered metal

b)

silica gel

c)

bar stock

d)

sheet metal

21.

Strain is the amount of deformation that results from _____.

a)

stress

b)

gravity

c)

resistance