Question 1

Galvanized steel is steel that has been coated with which one of the following metals:

Accepted Answer

A) aluminum 
B) chromium 
C) nickel 
D) tin 
E) zinc 
A) aluminum 
B) chromium 
C) nickel 
D) tin 
E) zinc E

Question 2

Which one of the following properties do not apply to metals:

Accepted Answer

A) good thermal conductivity 
B) high strength 
C) high electrical resistivity 
D) high stiffness 
A) good thermal conductivity 
B) high strength 
C) high electrical resistivity 
D) high stiffness C

Question 3

High-speed steels are used in cutting tools for machining.Which of the following alloying elements are used in the highest proportion in high-speed steel (two best answers):

Accepted Answer

A) carbon 
B) manganese 
C) molybdenum 
D) nickel 
E) tungsten
F)Vanadium 
A) carbon 
B) manganese 
C) molybdenum 
D) nickel 
E) tungsten
F)Vanadium C , E

Question 4

Which of the following are properties generally associated with ceramic materials (three best answers):

Accepted Answer

A) chemical stability 
B) electrically conductive 
C) good ductility 
D) high hardness 
E) soluble in water
F)thermally insulating 
A) chemical stability 
B) electrically conductive 
C) good ductility 
D) high hardness 
E) soluble in water
F)thermally insulating

Question 5

The principal strengthening mechanism in high-strength low-alloy (HSLA) steels is which one of the following:

Accepted Answer

A) alloying 
B) heat treatment 
C) high carbon content 
D) precipitation hardening 
E) work hardening 
A) alloying 
B) heat treatment 
C) high carbon content 
D) precipitation hardening 
E) work hardening

Question 6

Which of the following metals are used as the matrix material in fiber-reinforced metal matrix composites (two best answers):

Accepted Answer

A) aluminum 
B) copper 
C) iron 
D) magnesium 
E) zinc 
A) aluminum 
B) copper 
C) iron 
D) magnesium 
E) zinc

Question 7

The defining property of a thermoplastic polymer is that it can be heated from a solid state to a viscous liquid state and then cooled back down to solid, and that this heating and cooling cycle can be applied multiple times without degrading the polymer:

Accepted Answer

A) True 
 B)False

Question 8

Clays used in traditional ceramics are based primarily on which of the following (one best answer):

Accepted Answer

A) aluminum oxide 
B) aluminum silicate 
C) quartz 
D) silicon carbide 
E) silicon oxide 
A) aluminum oxide 
B) aluminum silicate 
C) quartz 
D) silicon carbide 
E) silicon oxide

Question 9

A composite material is a material system composed of two or more physically distinct phases whose combination produces aggregate properties that are different from those of its constituents:

Accepted Answer

A) True 
 B)False

Question 10

Which one of the following metals is not one of the three metals used as the principal constituent in superalloys:

Accepted Answer

A) cobalt 
B) chromium 
C) iron 
D) nickel 
A) cobalt 
B) chromium 
C) iron 
D) nickel

Question 11

Compared to thermoplastics, thermosetting polymers are characterized by which of the following properties (four best answers):

Accepted Answer

A) cannot be remelted 
B) capable of higher service temperatures 
C) higher modulus of elasticity 
D) less ductile 
E) lower modulus of elasticity
F)more ductile 
A) cannot be remelted 
B) capable of higher service temperatures 
C) higher modulus of elasticity 
D) less ductile 
E) lower modulus of elasticity
F)more ductile

Question 12

Polystyrene is a linear polymer noted for its transparency and brittleness:

Accepted Answer

A) True 
 B)False

Question 13

Properties and characteristics of glass-ceramics include which of the following (two best answers):

Accepted Answer

A) efficiency in processing 
B) electrical conductor 
C) high thermal expansion 
D) strong relative to other glasses 
A) efficiency in processing 
B) electrical conductor 
C) high thermal expansion 
D) strong relative to other glasses

Question 14

Which one of the three polymer types is not a plastic:

Accepted Answer

A) elastomers 
B) thermoplastics 
C) thermosets 
A) elastomers 
B) thermoplastics 
C) thermosets

Question 15

The largest tonnage elastomer is which one of the following:

Accepted Answer

A) butyl rubber 
B) isoprene rubber 
C) polybutadiene 
D) polyurethane 
E) styrene butadiene rubber
F)thermoplastic elastomers 
A) butyl rubber 
B) isoprene rubber 
C) polybutadiene 
D) polyurethane 
E) styrene butadiene rubber
F)thermoplastic elastomers

Question 16

Which of the following alloying elements are most commonly associated with stainless steel (two best answers):

Accepted Answer

A) chromium 
B) manganese 
C) molybdenum 
D) nickel 
E) tungsten 
A) chromium 
B) manganese 
C) molybdenum 
D) nickel 
E) tungsten

Question 17

Which one of the three polymer types does not involve cross-linking:

Accepted Answer

A) elastomers 
B) thermoplastics 
C) thermosets 
A) elastomers 
B) thermoplastics 
C) thermosets

Question 18

Of the three polymer types, which one is the most important commercially:

Accepted Answer

A) elastomers 
B) thermoplastics 
C) thermosets 
A) elastomers 
B) thermoplastics 
C) thermosets

Question 19

Ceramic matrix composites are designed to overcome which of the following weaknesses of ceramics (two best answers):

Accepted Answer

A) compressive strength 
B) hardness 
C) hot hardness 
D) modulus of elasticity 
E) tensile strength
F)toughness 
A) compressive strength 
B) hardness 
C) hot hardness 
D) modulus of elasticity 
E) tensile strength
F)toughness

Question 20

Which one of the following materials is closest to diamond in hardness:

Accepted Answer

A) aluminum oxide 
B) carbon dioxide 
C) cubic boron nitride 
D) silicon dioxide 
E) tungsten carbide 
A) aluminum oxide 
B) carbon dioxide 
C) cubic boron nitride 
D) silicon dioxide 
E) tungsten carbide

Exam 5: Engineering Materials

Galvanized steel is steel that has been coated with which one of the following metals:

Which one of the following properties do not apply to metals:

High-speed steels are used in cutting tools for machining.Which of the following alloying elements are used in the highest proportion in high-speed steel (two best answers):

Which of the following are properties generally associated with ceramic materials (three best answers):

The principal strengthening mechanism in high-strength low-alloy (HSLA) steels is which one of the following:

Which of the following metals are used as the matrix material in fiber-reinforced metal matrix composites (two best answers):

The defining property of a thermoplastic polymer is that it can be heated from a solid state to a viscous liquid state and then cooled back down to solid, and that this heating and cooling cycle can be applied multiple times without degrading the polymer:

Clays used in traditional ceramics are based primarily on which of the following (one best answer):

A composite material is a material system composed of two or more physically distinct phases whose combination produces aggregate properties that are different from those of its constituents:

Which one of the following metals is not one of the three metals used as the principal constituent in superalloys:

Compared to thermoplastics, thermosetting polymers are characterized by which of the following properties (four best answers):

Polystyrene is a linear polymer noted for its transparency and brittleness:

Properties and characteristics of glass-ceramics include which of the following (two best answers):

Which one of the three polymer types is not a plastic:

The largest tonnage elastomer is which one of the following:

Which of the following alloying elements are most commonly associated with stainless steel (two best answers):

Which one of the three polymer types does not involve cross-linking:

Of the three polymer types, which one is the most important commercially:

Ceramic matrix composites are designed to overcome which of the following weaknesses of ceramics (two best answers):

Which one of the following materials is closest to diamond in hardness:

Introduction and Overview of Manufacturing

The Nature of Materials

Mechanical Properties of Materials

Physical Properties of Materials

Dimensions, Surfaces, and Their Measurement

Fundamentals of Metal Casting

Metal Casting Processes

Glassworking

Shaping Processes for Plastics

Processing of Polymer Matrix Composites and Rubber

Powder Metallurgy

Processing of Ceramics and Cermets

Fundamentals of Metal Forming

Bulk Deformation Processes in Metal Workiing

Sheet Metalworking

Theory of Metal Machining

Machining Operations and Machine Tools

Cutting Tool Technology

Economic and Product Design Considerations

Grinding and Other Abrasive Processes

Nontraditional Machining and Thermal Cutting

Heat Treatment of Metals

Surface Processing Operations

Fundamentals of Welding

Welding Processes

Brazing, Soldering, and Adhesive Bonding

Mechanical Assembly

Rapid Prototyping and Additive Manufacturing

Processing of Integrated Circuits

Electronics Assembly and Packaging

Microfabrication Technologies

Nanofabrication Technologies

Automation Technologies for Manufacturing Systems

Integrated Manufacturing Systems

Process Planning and Production Control

Quality Control and Inspection

Filters