Chapter 1 : Introduction to Materials and Processes in Manufacturing 1/ List the

Question

Chapter 1: Introduction to Materials and Processes in Manufacturing

1/ List the basic manufacturing processes.

2/ List the five joining processes

3/ A product’s life cycle can be divided into 5 steps. List the steps and briefly explain each.

Chapter 2: Manufacturing Systems Design

1/ Define the manufacturing system.

2/ List the classification of the four classical and one new manufacturing system designs.

Chapter 3: Properties of Materials

1/ Manufacturing education relates to understanding structure, properties, processing , and _______________.

a. standards
b. testing
c. performance

2/ When forces are applied to a material are constant, or nearly so, they are said to be ___________.

a. dynamic
b. static
c. proportional

3/ _________ states that strain is directly proportional to the stress.

a. Young’s Modulus
b. Hook’s law
c. Yield point

4/ The proportionality constant, or ratio of stress to strain is __________.

a. Young’s Modulus
b. Hook’s law
c. Yield point

5/ _______ is defined as the force or load being transferred divided the cross-sectional area transmitting the load.

a. Toughness
b. Tensile stress
c. Stress

6/ When a force or load is applied to a material, it deforms or distorts and becomes __________.

a. stressed
b. strained
c. elastic

7/ __________ is the work per unit volume required to fracture a material.

a. Toughness
b. Tensile stress
c. Stress

8/ Three common hardness tests are: __________, __________, and _________.

9/ For certain applications, the __________ properties of a material may be more important that the mechanical.

a. microstructure
b. critical
c. physical

10/ Define heat capacity or specific heat, and thermal conductivity.

PLEASE NO HAND-WRITTEN !
PLEASE NO HAND-WRITTEN !
PLEASE NO HAND-WRITTEN !

Explanation / Answer

Chapter 1)

1 the basic manufacturing processes include

Casting, Moulding, Forming, Machining, Joining, Additive Manufacturing (3D Printing)

2 Joining Processes

Welding

Brazing

Soldering

Adhesive Bonding

Mechanical Assembly

3 Product Life cycle can be divided into various stages like

Development :- It is the incubation or starting step of product cycle. This involves concept generation, design etc

Introduction:- This is the stage when product is introduced into the market

Growth:- This stage consists of rapid increase in sales and revenue.

Maturity :- This is the time when sales are at its peak and the main aim is to hold the market share and plan to increaseproduct life

Decline:- This is when new technology takes over and the product becomes outdated

Chapter 2

1-A manufacturing system can be defined as the arrangement and operation of machines, tools, raw material, personnel and data to produce a value-added product whose success and cost is defined by measurable parameters like profits

Chapter 3

1) c-performance

2) b- static

3) b- Hooke's law

4) a- Youngs Modulus

5) c- stress

6) b- strained

7) a- toughness

8) Brinnell, Rockwell, Vicker's

9) a- micro structure

10) Heat Capacity is the amount of heat to be supplied to a kilogram of material to raise its temperature by 1 degree celcius

Thermal Conductivity is the amount of heat that a material of unit thickness will conduct across a unit temerature diffference.

question 1-7 and 9 are definitions and the answers complete the definitions

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