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Quality Engineer > Study Guide: Additional Questions > Flashcards

Study Guide: Additional Questions Flashcards

1
Q

Disadvantage of Pre-Control Charts

A

They don’t provide info on how to reduce variability

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2
Q

Attribute data is a term used to describe ______ data

A

Discrete

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3
Q

Includes detailed reaction plans that should be followed when a control method detects a problem

A

Control Plan

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4
Q

Details the steps an operator should take when the process has a problem

A

Reaction Plan

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5
Q

An improvement program based on minimizing variability

A

Six Sigma

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6
Q

Involves verifying that the process parameters will meet requirements under all manufacturing conditions

A

Operational Qualification

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7
Q

Inspection costs are what type of costs

A

Appraisal Costs

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8
Q

A control chart shows a process is out of control. What should you do

A

Brainstorm to determine cause of problem

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9
Q

Main purpose of interrelationship diagraph

A

To visualize casual relationships of a problem

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10
Q

An experiment where all treatment combinations of the factors are carried out

A

Full Factorial Design

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11
Q

What quality tool would be good for conducting a needs analysis when considering a new training program

A

Quality Function Deployment

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12
Q

Which phase of the corrective action cycle helps prevent problem backsliding

A

Recurrence Control

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13
Q

Considering the product/process development cycle, the phase in which a working model of the product or process is developed and tested is referred to as the

A

Prototype Phase

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14
Q

Who proposed using signal-to-noise ratios to improve robustness

A

Taguchi

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15
Q

What is a benefit of implementing standardized work

A

Reduction in process variation
More consistent products
Simplified downstream activities

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16
Q

A control chart was out of control but the operator failed to adjust the process. What is this called?

A

Undercontrol

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17
Q

A 3^5 experiment means that we are investigating

A

Three levels of five factors

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18
Q

The process for rating a supplier must include

A

Financial
Manufacturing
Quality systems

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19
Q

A quality project team is investigating the root cause of variation in a manufacturing facility. What stage of the DMAIC process would this be?

A

A - Analyze

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20
Q

What contributes to the precision of a measurement

A

Reproducibility

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21
Q

You suspect there is a linear relationship between two continuous variables. What is the first thing you should do?

A

Graph the data in a Scattergram

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22
Q

In which phase of the corrective action cycle does a team develop feasible solutions to improve a process?

A

Effectiveness Assessment

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23
Q

Measurement assurance is an important concept in metrology because

A

Little consideration is often given to a test operators contribution to measurement error

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24
Q

When there is no control in place to address a significant risk, or the control is insufficient for that particular risk, there is a

A

Control Gap

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25
Q

Two factors effect an experiments yield that takes place over several days. What type of design would be appropriate for this experiment

A

Randomized Block Design

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26
Q

It is a measure of the instantaneous rate of failure of a component at time t

A

Hazard Rate function

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27
Q

What is the effect of a factor that is indistinguishable from the effect of the interaction of two other factors called?

A

Confounding

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28
Q

A company produces a part continuously. Which type of OC curve is appropriate for the sampling plan?

A

Type B OC curve

29
Q

Which probability distributions are skewed right?

A

Lognormal
Exponential
Chi-square

30
Q

Steps for appropriate disposition of suspect material/products is usually found in

A

Reaction Plan

31
Q

What happens in the norming stage

A

Individuals begin to shift from personal concerns to the needs of the team

32
Q

In a crossed-array designed experiment, it is found that there are no significant control-by-noise interactions. This means

A

There is no robust design problem

33
Q

In an acceptance sampling plan, how does the probability of acceptance change for a given fraction nonconforming as the acceptance number increases

A

Probability of acceptance increases

34
Q

What is the first step to take when prioritizing corrective action?

A

Eliminate Occurrence

35
Q

To get more accurate surface measurements, use a

A

Granite surface plate

36
Q

For detecting surface defect in aluminum, the following testing method is appropriate

A

Liquid penetration testing

37
Q

What describes the phenomenon in which high-order interactions are negligible and a system is dominated by the main effects and low-order interactions:

A

Sparsity-of-effects principle

38
Q

If events A and B are mutually exclusive then probability is equal to

A

A+B

39
Q

If events A and B are independent then probability of both occuring is equal to

A

A x B

40
Q

Who is credited with the following definition of quality “conformance to specification”

A

Philip Crosby

41
Q

In what way does the official definition of the base unit of mass differ from the definitions of other base units?

A

Its definition is in terms of a physical artifact

42
Q

If a process it out of control, it is desirable to

A

Have a small average run length

43
Q

A quantity derived from a sample data that describes the distribution is called a

A

Parameter

44
Q

Disadvantage of using fractional factorial experiment is that

A

Effects are confounded

45
Q

The probability of rejecting a false null hypothesis is called

A

Power

46
Q

The distribution on which np- charts are based is called

A

Binomial

47
Q

A benefit of implementing an FMEA is that

A

Helps a team identify and eliminate the negative effects of potential failures before they occur

48
Q

100% inspection is most appropriate when

A

The fraction of nonconforming products is high

49
Q

What probability distribution is required for the results of a capability study to be considered valid?

A

Normal Distribution

50
Q

When compared with attributes sampling plans, variables sampling plans

A

Provide info on how well a process is operating

51
Q

Lean tool for helping to reduce changeover times is associated with Shigeo Shingo and Toyota

A

Standardized Work

52
Q

Graphical method that assess the assumption of normality in the analysis of a designed experiment

A

Normal Probability Plot of Residuals

53
Q

What criteria must a condition have to be qualified as a problem?

A

Variable performance from a set standard
Deviation from perception
Cause is unknown

54
Q

A team is doing a project on errors in a customers files. What type of sampling is appropriate for this project?

A

Simple random sampling

55
Q

The distribution on which c-charts are based is called

A

Poisson

56
Q

What is a property of Dodge-Romig sampling tables?

A

They minimize average total inspection

57
Q

Warranty issues are categories as which type of cost?

A

External Failure cost

58
Q

What happens in the forming stage

A

The teams mission is clarified and specific roles are identified

59
Q

What is the primary purpose of a process decision program chart (PDPC)?

A

To assess a process implementation plan during the initial phases of operation

60
Q

To determine whether the data are autocorrelated, which method would be used?

A

Trend Analysis

61
Q

Maintaining risk at or below an acceptable level is part of:

A

Risk Control

62
Q

Provides a framework to iteratively improve a process

A

PDCA

63
Q

Spare parts that need to be evaluated are an example of what type of cost?

A

Appraisal Cost

64
Q

A machine has 6 subsystems and will fail when 4 or more fail. What type of system design is this?

A

k-out-of-n system

65
Q

The consequences of a failure mode and its frequency of occurrence

A

Criticality

66
Q

The Malcomb Baldrige National Quality Award emphasizes

A

Results

67
Q

Drawback of Fault Tree Analysis

A

It’s too complicated since it does not require the user to know anything about the process or product

68
Q

This provides a means to identify sequential or cause-and-effect relationships of a problem

A

Interrelationship diagraphs

Quality Engineer (16 decks)

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