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operations management final Flashcards

(62 cards)

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1
Q

what is the formula for productivity improvement?

A

outputs/inputs

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2
Q

what is the formula for multi factor productivity

A

output/labor+materials+oh

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3
Q

what is industry 4.0

A

the ongoing automation of trad. manufacturing and industrial practices using modern smart technology

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4
Q

what is manufacturing execution system (MES)?

A

computerized systems used in manufacturing to track and document the transformation of raw materials to finished goods, optimizes output

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5
Q

explain AI in manufacturing

A

machine learning to natural language processing that allows machines to sense, comprehend, act and learn

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6
Q

what are competitive priorities

A

the critical operational dimensions a process or supply chain must possess to satisfy its internal customers

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7
Q

what are competitive capabilities?

A

the measured ability of a process or supply chain to achieve its assigned competitive priorities

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8
Q

which is a characteristic of service provider operations

A

perishable outputs

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9
Q

which core process includes the activities required to produce and deliver the service or product to the external customer

A

order fulfillment process

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10
Q

the foundation for managing processes and value chains is

A

operations strategy

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11
Q

customer contact matrix front office:

A

high interaction with customers, highly customized service, flexible flows with individualized processes

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12
Q

customer contact matrix- hybrid:

A

some interaction with customers, standard services with some options, flexible flows with some dominant paths, with some expectations as to how work is performed

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13
Q

customer contact matrix- back office:

A

low customer interactions, standardized services, line flows, routine work performed the same with all customers

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14
Q

process product matrix- job process

A

low volume products, made to customer order, customized processes with flexible and unique sequence of tasks

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15
Q

product process matrix- small and large batch processes

A

multiple products with low to moderate volume, disconnected line flows, moderately repetitive work

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16
Q

product process matrix- line process

A

few major products, higher volume, connected line, highly repetitive work

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17
Q

process product matrix- continuous flow processes

A

high volume, high standardization, commodity products, continuous flows

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18
Q

what is process choice?

A

a way of structuring the process by organizing resources around the process or products

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19
Q

what are the principles of total quality management?

A

customer satisfaction, employee involvement, continuous improvement in performance

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20
Q

what is the Deming wheel

A

plan do check act cycle. used by firms actively engaged in the continuous improvement to train their work teams in problem solving

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21
Q

what is acceptance sampling

A

the application of statistical techniques to determine whether a quantity of material should be accepted or rejected based on the inspection of test or a sample

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22
Q

what is a type 1 error

A

when the employee concludes that the process is out of control based on a sample result that falls outside of the control limits when it was due to pure randomness

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23
Q

what is a type 2 error

A

when the process is in control and only randomness is present, when its out of control

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24
Q

definition of x chart

A

to measure whether the process is generating output, is generally consistent with target value- control chart for variable

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25
definition of r chart
measures the variability of the process- control chart for variable
26
definition of p chart
purpose is to control the proportion of defective products/services- control chart for attributes
27
definition of c chart
the purpose is controlling the number of defects- control chart for attributes
28
what is process capability
the ability of the process to meet the design specification for a service or product
29
what is nominal value
target for design specification
30
tolerance
an allowance above or below the nominal value
31
process capability index
measures the potential for a process to generate defective outputs relative to either upper or lower specifications
32
process capability ratio
used when it fails the index, CP= upper sp- lower sp/6(SD)
33
what is a lean system
operations systems that maximize the value added by each of a companies activities by removing waste and delays from them
34
what are some supply chain considerations
close supplier ties, small lot sizes
35
what are some process considerations
pull method, push method, quality at the source
36
what is takt time
cycle time of the process needed to match the rate of production to the rate of sales or consumption
37
what is Heijunka
leveling production load by both volume and product mix
38
what is mixed model assembly
producing a mix of models in smaller lots
39
what are the five s practice
sort, straight, shine, standardize, sustain
40
toyota's 4 principles
all work must be completely specified as to content, sequence, timing and outcome, all customer supplier connections should be direct and unambiguous, all pathways for every service and product should be simple and direct, all improvements should be made under guidance of a teacher using the scientific method
41
what is OWMM
a one person cell in which a worker operates several different machines simultaneously to achieve line flow
42
what is group technology
an option for achieving line flow layouts with low volume processes, creates cells not limited to just one worker, has a unique way of selecting work to be done by the cell
43
general rules for the kanban system
a full container must always have a kanban card, the preceding process will never produce parts without a kanban card, the containers should always contain the same number of good parts, only non defective parts should be put into inventory with the kanban card to make the best use of materials and workers time
44
container system
using the container, works well with containers designed for parts
45
containerless system
can use workbench areas to put completed units on painted squares
46
what is a value stream map
a qualitative tool used in a lead system to identify where the waste occurs, involves a current, future and implementation drawing
47
what is exponential smoothing
a sophisticated weighted moving average that calculates the avg of a time series by implicitly giving recent demands more weight than earlier demands
48
annual holding cost
average cycle inventory x unit holding cost
49
annual ordering cost
of orders x ordering or setup costs
50
total cost
annual holding cost + annual ordering or setup cost
51
Q system
reorder point system and fixed order quantity system, tracks the remaining inventory of a SKU each time a withdrawal is made to determine if its time to reorder
52
visual systems based on the Q system
2 bin, base stock
53
P system
fixed interval reorder system or periodic . this requires more inventory for the same level of protection against stockouts or backorders
54
P system visual system
single bin system, operational replenishment system
55
S&OP supply options
anticipation inventory, workforce adjustment, workforce utilization, part time workers, subcontractors, vacation schedules
56
basic inputs to MRP
authorized master product schedule, other sources of demand, MRP explosion
57
MRP definition
a computerized information system developed to help manufacturers manage dependent demand inventory and schedule replenishment orders
58
dependent demand
the demand for an item that occurs because the quantity required varies with the production plans for other items held in the firms inventory
59
what is master production schedule
a part of the material requirements plan that details how many end items will be produced within specified periods of time
60
what is MRP explosion
a process that converts the requirements of various final products into a material requirements plan that specifies the replenishment schedules of all the subassemblies, components and raw materials needed to produce final products
61
planning factors
lot sizing rules, periodic order quantity, lot for lot
62

operations management (1 decks)

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