Operations Management Mix Flashcards

1
Q

Muri causes?

A

Overburdening and unnecessary stress to employees/resources

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2
Q

Muda is?

A

Anything that doesn’t add value

7 WASTES:

Transport
Inventory
Motion
Waiting
Over production
Over processing
Defects
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3
Q

What are trade offs?

A

The way we’re willing to sacrifice one performance objective to achieve excellence in another

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4
Q

What is the triple bottom line?

A

Social - measured by impact of operation’s on peoples lives

Environmental - measured by impact on environment

Economic - measured by profitability

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5
Q

What are the 5 performance objectives?

A

Quality

Speed

Cost

Flexibility

Dependability

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6
Q

What does the bullwhip effect describe?

A

How small disturbances at the DOWNSTREAM end of the supply chain can cause INCREASINGLY LARGE disturbances, errors, inaccuracies and volatility as it works its way UPSTREAM

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7
Q

Name 3 transformed resources

A

Materials

Information

Customers

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8
Q

Name 2 transforming resources

A

Facilities

Staff

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9
Q

Order winners…

A

make the product or service more attractive e.g longer battery life etc

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10
Q

Order qualifiers…

A

consumers won’t even consider us without these e.g dirty restaurants etc

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11
Q

Process hierarchy: flow between operations is at which level?

A

Supply network

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12
Q

Process hierarchy: flow between processes is at which level?

A

Operation

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13
Q

Process hierarchy: flow between resources is at which level?

A

Process

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14
Q

What are the 4 perspectives on Operations Strategy?

A

Top Down

Operations Resources

Bottom Up

Market Requirements

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15
Q

Mura is?

A

Lack of consistency!

Putting unfair demand and/or pressure on people and resources

Mura = Muri = MUDA!!

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16
Q

Why consder the whole supply network?

A

Helps understanding of COMPETITIVENESS

Helps identify SIGNIFICANT LINES in the NETWORK

Helps FOCUS on LONG TERM ISSUES

Helps FOCUS on COSTS

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17
Q

What are the 5s?

A

Sort

Straighten

Shine

Standardise

Sustain

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18
Q

What does SORT mean?

A

Get rid of what’s not needed

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19
Q

What does STRAIGHTEN mean?

A

Position stuff so it’s easily reached

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20
Q

What does SHINE mean?

A

Keep stuff nice and tidy. No refuse in work area

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21
Q

What does STANDARDISE mean?

A

Maintain cleanliness and order

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22
Q

What does SUSTAIN mean?

A

Develop commitment and pride in keeping standards

23
Q

What does KAIZEN mean?

A

Continuous Improvement

24
Q

Kaizen involves…

A

Everyone involved in improving quality

Empowering employees to spot opportunities and reward them for improvement

Ensure flexible, multi skilled employees who can do more than one thing

25
What are the continuous improvement techniques?
Bench marking - use others expertise for solutions Scatter diagrams - identify relationships and influences Flow charts - describe info flow and decision making Cause effect - brainstorming = reveals root cause Pareto diagrams - sort out important few from trivial many Why-why analysis - formal questioning to find root causes of problems
26
What is Total Quality Management good for?
Finding and correcting causes of poor quality continuing to make improvements
27
What does Total Quality Management include?
All parts of the organisation All staff Consideration of all costs Every opportunity to get things right All systems that affect quality
28
Name the 2 Improvement Cycles..
DMAIC Deming
29
What are Deming and DMAIC a part of?
Six Sigma Approach
30
What does DMAIC stand for?
``` Define Measure Analyse Improve Control ```
31
What are the 7 inventory costs? (COOPSWC)
``` Costs of placing an order Obsolesce costs Operating inefficiencies Price discounts Storage costs Working capital Consignment cost ```
32
What are the inventory classifications and measures?
CLASS A: never let it run out, 20%, high value CLASS B: keep an eye on it, 30%, medium value CLASS C: not too bothered, 50%, low value
33
Name the 2 lean visual tools...
Kanban | Poka Yoke
34
What is Kanban?
cards that give visual signals to communicate progress of work can be used to pull work from previous process and indicate when inventory should be bought kanban board gives overview of work and scheduling
35
What is Poka Yoke?
means error proof quality defects usually result from human error uses physical or visual methods to make common errors impossible to make
36
Gap Model Of Quality: Gap 1 is where...
customers - operations specifications gap consistency: internal quality spec to from expectiations of customers
37
Gap Model Of Quality: Gap 2 is where...
Concept - specification gap internal spec meets intended concept of design
38
Gap Model Of Quality: Gap 3 is where...
Quality specification - actual quality gap actual product/service conforms to internally spec quality level
39
Gap Model Of Quality: Gap 4 is where...
Image - customer specification gap promises made to customers can really be delivered
40
Explain: Inventory SINGLE stage
supplier > stock > sales e.g local Tesco
41
Explain: Inventory TWO stage
supplier > stock > distribution > stock > sales e.g. car parts distributor: central depot puts parts together then distributes to local distribution centres
42
Explain: Inventory MULTI stage
supplier > stock > stage 1 > WIP > stage 2 > WIP > stage 3 > finished good for sale e.g. HP puts different parts together to assemble laptops then sells
43
What are the 5 types of inventory? (BADPC)
Buffer - created to satisfy demand in case of surge Anticipation - seasonal e.g. high demand in summer Decoupling - different processes in multi inventory Pipeline - period of time between order being placed and time its fulfilled Cycle - different processes not done simultaneously
44
Supply factors that influence cost in an operation?
``` Labour costs Land costs Energy costs Transportation costs Community factors ```
45
Demand factors that influence customer service and revenue in an operation?
Labour skills Suitability of site Image Convenience for customers
46
What does a polar diagram show?
Relative importance of each performance objective Can indicate difference between products and services produced by operation
47
Name the process types...
``` Project Jobbing Batch Mass Service shop Mass service Continuous Professional ```
48
Name the 4V's...
Volume Visibility Variability Variety
49
Name the 4 basic layout types...
Cell - department store Fixed position - heart surgery Functional - library Line - production line
50
What 3 things should be balanced when choosing the location of operation?
Spatially variable costs Service we're able to provide to customers Revenue potential
51
Hayes and Wheelwright 4 stage model: Stage 4 Externally supportive
Looks to long term, develops operations based capabilities required to compete in future markets. Innovative, creative and proactive
52
Hayes and Wheelwright 4 stage model: Stage 1 Internal neutrality
Poorest level, inward looking and reactive. goal is to be overlooked and not hold company back
53
Hayes and Wheelwright 4 stage model: Stage 2 External neutrality
compares itself with similar companies in outside market, tries to implement best practice by measuring self against competitors performance
54
Hayes and Wheelwright 4 stage model: Stage 3 Internally supportive
amongst the best in their market, gain a clear view of company's competitive or strategic goals and support them by developing appropriate operations resources