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ISE 352 > Final Exam Study > Flashcards

Final Exam Study Flashcards

1
Q

Identification of projects that will lead to greatest improvements.

A

Pareto Analysis

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2
Q

Identification of root causes in effects of system problems.

A

Fish Diagram

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3
Q

Facilitates project status and progress tracking.

A

Gantt Chart

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4
Q

Identify optimum schedule for project completion

A

PERT Chart

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5
Q

Identify work, task and environment factors that might cause work delays.

A

Job/Worksite Analysis

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6
Q

exploratory tools used to aid in project selection:

A

Pareto, Fish, Gantt AnalysisJob/Worksite, PERT,

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7
Q

The three components of Total Work Content in an operation:

A

Total Operation Time, Total Work Content, Total ineffective time

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8
Q

Total Operation Time

A

i. Total time of operation under existing conditions
ii. Total time of operation under future conditions when methods engineering, standards, and work design are not practiced.

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9
Q

Total Work Content

A

i. Basic
ii. Excess WC from design or spec. defects
iii. Excess WC from poor methods

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10
Q

Total ineffective Time

A

i. Due to management shortcomings

ii. Factors under worker control

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11
Q

Slack Event Time

A

i. Tolerable delay in start of activity

1. LS_i – ES_i

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12
Q

Slack Activity Time

A

i. Tolerable delay in time to complete activity

1. LS_j – ES_i – T_ij

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13
Q

four principles of motion economy:

A

a. Minimize eye fixation
b. Plan for curved motions
c. Plan frequent and intermittent breaks that are brief
d. Design tasks so that most workers can do them.

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14
Q

List and describe the five classes of human movement by body parts:

A

a. Fingers: Typing and grasping
b. Wrist: Positioning a part
c. Forearm: Placing part in bin
d. Shoulder/Upper Arm: Reaching for something on a high shelf.
e. Whole Body/ Truck: Lifting a heavy box.

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15
Q

Motion Study

A

method of studying a task for unnecessary movements determined by therbligs.

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16
Q

Time Study

A

Method of timing a trained operator at a task to determine a fair days work.

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17
Q

Examples of Effective therblig

A

Grasp, Release

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18
Q

Examples of ineffective therblig

A

Search, Select

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19
Q

What is min-max regret?

A

For each state, find the max . Then subtract each alternative. When this is done for all the states, find the max in each , the min of the max’s is the answer.

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20
Q

What is minimum satisfactory?

A

For each state that is > than the level of aspiration add the probabilities. The alternative with the largest probability is the one to choose.

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21
Q

Total Present Worth

A

Profit(1+i)^(-year) - cost(1+i)^(-year)

22
Q

Advantage of work sampling

A

Only needs one observer for many operators where traditional methods need more than one/operator

23
Q

Advantage of work sampling

A

Overall takes up less time since the operator doesn’t have to be observed for an entire process, but just a specific action.

24
Q

Three work measurement techniques.

A

Time study, Standard Data, Work Sampling

25
Q

How long it takes a worker to perform a task.

A

Observed time.

26
Q

The observed time * Work Rating

A

Normal Time

27
Q

Normal Time * ( 1 + PFD)

A

Standard Time

28
Q

Short duration & not recordable; dropped from the total OT and the # of observations.

A

Circled Wild Elements

29
Q

Recordable; Subtracted from the total OT for a work element; The # of samples is not reduced due to this element.

A

Lettered Foreign Elements

30
Q

Calculating Cycles of element operations (equation)

A

n = ( t * s/k*x)^2

t - t statistic not alpha/2

31
Q

True or False: Predetermined Time Systems are basically synthetic times.

A

True

32
Q

What is the performance ratings assumed in MTM-1 pre-determined motion times.

A

100% of workers

33
Q

Work Factors Considered in defining a move in the MTM-1 system (4)

A

Distance to move, object weight, dynamic factors, static factors

34
Q

Return on Sales

A

Average(Gross Profit)/Average(Increase of Sales)

35
Q

Return on Investment

A

Average(Gross Profit)/Total Investment

36
Q

Payback Period

A

1/(ROI%)

37
Q

Total Present Worth

A

Average(Time valued)

38
Q

Efficiency of line with 1 operator

A

(Sum of Standard Time/ # of operations)/ Largest Std. Time

39
Q

Picking the minimum number of machines for an operator leads to…

A

operator idle time

40
Q

Picking the maximum number of machines for an operator leads to…

A

machine idle time

41
Q

Three main outcomes of time study?

A

Fair pay, fair time, decrease cost/increase efficiency

42
Q

First 4 steps of the Methods Engineering Process

A
  1. Select project
  2. Get and Present Data
  3. Analyze Data
  4. Develop method for implementation
43
Q

Last 4 steps of the Methods Engineering Process

A
  1. Present and Install Method
  2. Develop Job analysis
  3. Time study of method
  4. Follow up
44
Q

This chart identifies ares of improvement in a system of multiple machines and one worker by showing idle times of machines.

A

Worker & machine process chart

45
Q

This chart essentially depicts the ideal layout of a plant.

A

Flow Diagram

46
Q

Q_i = P(X) (Max outcome) + (1-P(X)) (min outcome)

A

Coefficient of Optimism - X (MCDM)

47
Q

For each state multiply the alternative by the given probability. The highest sum of the alternatives is to be picked.

A

Expected Return MCDM

48
Q

What is the ADA 1991

A

-Requires companies with >= 15 employees to make reasonable accommodation for disabled people who can perform the majority of the skills for a job.

49
Q

ADA effects on Job desciptions

A
  • Made job descriptions more specific so unqualified people would not apply.
50
Q

Three main difference between Job Analysis and Job Evaluation

A
  • Analysis precedes evaluation
  • Analysis focuses on detail specific to job function
  • Evaluation uses analysis to determine the worth of the job to the company, done by a committee.

ISE 352 (1 decks)

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