Question 1

Which of the following materials are considered lightweight metals?

Accepted Answer

A)  Aluminum 
B)  Titanium 
C)  Magnesium 
D)  All of the above 
A)  Aluminum 
B)  Titanium 
C)  Magnesium 
D)  All of the above D

Question 2

The higher the air temperature, the less water vapor the air can hold before it is fully saturated.

Accepted Answer

A) True 
 B)False  False

Question 3

Composite materials consist of two main ingredients: matrix material and fibers.

Accepted Answer

A) True 
 B)False  True

Question 4

The value of electrical resistivity is a measure of the resistance of material to the flow of electricity.

Accepted Answer

A) True 
 B)False

Question 5

Surface water refers to water in reservoirs, lakes, rivers, and streams.

Accepted Answer

A) True 
 B)False

Question 6

Fiber optics is the branch of science that deals with transmitting data, voice, and images through thin plastic or glass fibers.

Accepted Answer

A) True 
 B)False

Question 7

Metallic oxides are added to give glass various colors.

Accepted Answer

A) True 
 B)False

Question 8

The term fluids refers to liquids, not gases.

Accepted Answer

A) True 
 B)False

Question 9

Plastics are often classified into two categories:

Accepted Answer

A)  foams and vinyls 
B)  thermoplastics and thermosets 
C)  flexible and rigid 
D)  transparent and opaque 
A)  foams and vinyls 
B)  thermoplastics and thermosets 
C)  flexible and rigid 
D)  transparent and opaque

Question 10

Wood is stronger in a direction normal to the grain when it is bent.

Accepted Answer

A) True 
 B)False

Question 11

Composites are created by combining two or more solid materials to make a new material that has properties that are superior to those of the individual components.

Accepted Answer

A) True 
 B)False

Question 12

In general the properties of materials may be divided into three groups.

Accepted Answer

A)  electrical, mechanical, thermal 
B)  viscosity, density, temperature 
C)  resilience, toughness, heat capacity 
D)  none of the above 
A)  electrical, mechanical, thermal 
B)  viscosity, density, temperature 
C)  resilience, toughness, heat capacity 
D)  none of the above

Question 13

Concrete is stronger in tension than it is in compression.

Accepted Answer

A) True 
 B)False

Question 14

Mechanical engineers need to understand the thermophysical properties of liquid water and steam when designing power plants.

Accepted Answer

A) True 
 B)False

Question 15

The strength-to-weight ratio is defined as

Accepted Answer

A)  the ratio of the strength of the material to its weight. 
B)  the ratio of the strength of the material to its specific weight. 
C)  the ratio of the strength of the material to its mass. 
D)  the ratio of the strength of the material to its modulus of elasticity. 
A)  the ratio of the strength of the material to its weight. 
B)  the ratio of the strength of the material to its specific weight. 
C)  the ratio of the strength of the material to its mass. 
D)  the ratio of the strength of the material to its modulus of elasticity.

Question 16

In general, the higher the density of wood, the lower the strength.

Accepted Answer

A) True 
 B)False

Question 17

When copper is alloyed with zinc it is commonly called

Accepted Answer

A)  brass. 
B)  bronze. 
C)  aluminum bronze. 
D)  zinc-copper. 
A)  brass. 
B)  bronze. 
C)  aluminum bronze. 
D)  zinc-copper.

Question 18

Timber is commonly classified as

Accepted Answer

A)  softwood. 
B)  hardwood. 
C)  medium density fiber. 
D)  softwood and hardwood. 
A)  softwood. 
B)  hardwood. 
C)  medium density fiber. 
D)  softwood and hardwood.

Question 19

Examples of fibers used in the construction of composite materials include

Accepted Answer

A)  glass. 
B)  graphite. 
C)  silicon carbide fibers. 
D)  all of above 
A)  glass. 
B)  graphite. 
C)  silicon carbide fibers. 
D)  all of above

Question 20

There are two common ways of expressing the amount of water vapor in air:

Accepted Answer

A)  dew point and relative humidity. 
B)  dew point and absolute humidity. 
C)  absolute humidity and relative humidity. 
D)  none of the above 
A)  dew point and relative humidity. 
B)  dew point and absolute humidity. 
C)  absolute humidity and relative humidity. 
D)  none of the above

Which of the following materials are considered lightweight metals?

The higher the air temperature, the less water vapor the air can hold before it is fully saturated.

Composite materials consist of two main ingredients: matrix material and fibers.

The value of electrical resistivity is a measure of the resistance of material to the flow of electricity.

Surface water refers to water in reservoirs, lakes, rivers, and streams.

Fiber optics is the branch of science that deals with transmitting data, voice, and images through thin plastic or glass fibers.

Metallic oxides are added to give glass various colors.

The term fluids refers to liquids, not gases.

Plastics are often classified into two categories:

Wood is stronger in a direction normal to the grain when it is bent.

Composites are created by combining two or more solid materials to make a new material that has properties that are superior to those of the individual components.

In general the properties of materials may be divided into three groups.

Concrete is stronger in tension than it is in compression.

Mechanical engineers need to understand the thermophysical properties of liquid water and steam when designing power plants.

The strength-to-weight ratio is defined as

In general, the higher the density of wood, the lower the strength.

When copper is alloyed with zinc it is commonly called

Timber is commonly classified as

Examples of fibers used in the construction of composite materials include

There are two common ways of expressing the amount of water vapor in air:

Introduction to the Engineering Profession

Preparing for an Engineering Career

Introduction to Engineering Design

Engineering Communication

Engineering Ethics

Fundamental Dimensions and Units

Length and Length-Related Variables in Engineering

Time and Time-Related Variables in Engineering

Mass and Mass-Related Variables in Engineering

Force and Force-Related Variables in Engineering

Temperature and Temperature-Related Variables in Engineering

Electric Current and Related Variables in Engineering

Energy and Power

Computational Engineering Tools: Electronic Spreadsheets

Computational Engineering Tools: Matlab

Engineering Drawings and Symbols

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Exam 17: Engineering Materials

Which of the following materials are considered lightweight metals?

The higher the air temperature, the less water vapor the air can hold before it is fully saturated.

Composite materials consist of two main ingredients: matrix material and fibers.

The value of electrical resistivity is a measure of the resistance of material to the flow of electricity.

Surface water refers to water in reservoirs, lakes, rivers, and streams.

Fiber optics is the branch of science that deals with transmitting data, voice, and images through thin plastic or glass fibers.

Metallic oxides are added to give glass various colors.

The term fluids refers to liquids, not gases.

Plastics are often classified into two categories:

Wood is stronger in a direction normal to the grain when it is bent.

Composites are created by combining two or more solid materials to make a new material that has properties that are superior to those of the individual components.

In general the properties of materials may be divided into three groups.

Concrete is stronger in tension than it is in compression.

Mechanical engineers need to understand the thermophysical properties of liquid water and steam when designing power plants.

The strength-to-weight ratio is defined as

In general, the higher the density of wood, the lower the strength.

When copper is alloyed with zinc it is commonly called

Timber is commonly classified as

Examples of fibers used in the construction of composite materials include

There are two common ways of expressing the amount of water vapor in air:

Introduction to the Engineering Profession

Preparing for an Engineering Career

Introduction to Engineering Design

Engineering Communication

Engineering Ethics

Fundamental Dimensions and Units

Length and Length-Related Variables in Engineering

Time and Time-Related Variables in Engineering

Mass and Mass-Related Variables in Engineering

Force and Force-Related Variables in Engineering

Temperature and Temperature-Related Variables in Engineering

Electric Current and Related Variables in Engineering

Energy and Power

Computational Engineering Tools: Electronic Spreadsheets

Computational Engineering Tools: Matlab

Engineering Drawings and Symbols

Mathematics in Engineering

Probability and Statistics in Engineering

Engineering Economics

Filters