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ME205 > Week 1- Introduction > Flashcards

Week 1- Introduction Flashcards

1
Q

What is the definition of manufacturing?

A

Manufacturing is the application of physical and chemical processes to alter the geometry, properties, and/or appearance of a given starting material to make parts or products.

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2
Q

List the importance of manufacturing.

A
  • Technologically
  • Economically
  • Historically
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3
Q

How does manufacturing contribute to a nation’s economy?

A

Manufacturing creates material wealth, constituting approximately 25% of GNP in Turkey.

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4
Q

What are the three basic categories of engineering materials?

A
  • Metals
  • Ceramics
  • Polymers
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5
Q

What is the difference between primary, secondary, and tertiary industries?

A
  • Primary industries: cultivate and exploit natural resources
  • Secondary industries: convert outputs of primary industries into consumer and capital goods
  • Tertiary industries: service sector of the economy
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6
Q

What is the relationship between production quantity and product variety?

A

An inverse correlation exists; high product variety typically means low production quantity and vice versa.

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7
Q

Fill in the blank: Manufacturing adds ______ to the material by changing its shape or properties.

A

[value]

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8
Q

Define ‘soft product variety’.

A

Soft product variety refers to small differences between products, such as variations among car models made on the same production line.

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9
Q

Define ‘hard product variety’.

A

Hard product variety refers to substantial differences between products, with few or no common parts, e.g., a small car vs. a large truck.

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10
Q

What are the three building blocks of manufacturing capability?

A
  • Materials
  • Processes
  • Systems
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11
Q

What is meant by ‘technological processing capability’?

A

It refers to the available set of manufacturing processes in a plant, which are suited to certain materials.

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12
Q

What is the maximum rate of production that a plant can achieve called?

A

Production capacity.

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13
Q

What are the two basic types of manufacturing processes?

A
  • Processing operations
  • Assembly operations
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14
Q

What is the purpose of shaping operations in manufacturing?

A

To alter the geometry of the starting work material.

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15
Q

What are the four categories of shaping processes?

A
  • Solidification processes
  • Particulate processing
  • Deformation processes
  • Material removal processes
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16
Q

What is ‘casting’ used for?

A

Casting is used to transform heated liquid or semifluid starting materials into solid parts.

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17
Q

What defines a ‘net shape process’?

A

A net shape process is when most of the starting material is used and no subsequent machining is required to achieve final part geometry.

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18
Q

What is the purpose of surface processing operations?

A

To clean, treat, coat, or deposit material onto the exterior surface of the work.

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19
Q

True or False: Assembly operations create permanent joints between parts.

A

True.

20
Q

What are the two categories of polymers?

A
  • Thermoplastic polymers
  • Thermosetting polymers
21
Q

What are composites in manufacturing?

A

Composites are materials consisting of two or more phases that are processed separately and then bonded together.

22
Q

What defines ‘property-enhancing processes’?

A

Processes performed to improve mechanical or physical properties of the work material without altering its shape.

23
Q

Fill in the blank: The historical significance of manufacturing is often ______.

A

[underestimated]

24
Q

What is the purpose of cleaning in surface processing operations?

A

To remove dirt, oil, and other contaminants from the surface

Cleaning involves both chemical and mechanical processes.

25
Q

What are surface treatments in the context of surface processing?

A

Mechanical working such as sand blasting and physical processes like diffusion

These processes improve surface properties.

26
Q

What does coating and thin film deposition involve?

A

Coating the exterior surface of the workpart.

27
Q

What is the definition of assembly operations?

A

Two or more separate parts are joined to form a new entity.

28
Q

What are joining processes?

A

Processes that create a permanent joint, such as welding, brazing, soldering, and adhesive bonding.

29
Q

What is mechanical assembly?

A

Fastening by mechanical methods, such as screws, bolts, nuts, and other threaded fasteners.

30
Q

What are the two categories of production systems?

A
  • Production facilities
  • Manufacturing support systems
31
Q

What do production facilities include?

A

The factory, production equipment, and material handling equipment.

32
Q

What is the significance of plant layout in production facilities?

A

It refers to the arrangement of equipment in the factory.

33
Q

What is a job shop in the context of low quantity production?

A

A production facility that makes low quantities of specialized and customized products.

34
Q

What is the range of low quantity production?

A

1 to 100 units per year.

35
Q

What is a process or functional layout?

A

Layout where individual components of large products are produced on machines arranged by function.

36
Q

What is a fixed position layout?

A

A layout where the product remains in a single location during fabrication or assembly.

37
Q

What is the medium quantity production range?

A

100 to 10,000 units annually.

38
Q

What are the two types of facilities for medium quantity production?

A
  • Batch production (hard product variety)
  • Cellular manufacturing (soft product variety)
39
Q

What is the range of high quantity production?

A

10,000 to millions of units per year.

40
Q

What is mass production?

A

Manufacturing system dedicated to the production of high demand products.

41
Q

What are the two categories of mass production?

A
  • Quantity production
  • Flow line production
42
Q

What characterizes quantity production?

A

Mass production of single parts on single machine or small numbers of machines.

43
Q

What is flow line production?

A

Multiple machines or workstations arranged in sequence for complex product assembly.

44
Q

What do manufacturing support systems accomplish?

A

They manage production operations through design, planning, control, and quality assurance.

45
Q

What are typical departments in manufacturing support systems?

A
  • Manufacturing engineering
  • Production planning and control
  • Quality assurance

ME205 (3 decks)

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