Study Guide: Product and Process Control Flashcards

(32 cards)

1
Q

Why is it important to identify materials used in producing a product?

A

Reduce risk

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2
Q

Most effective method of account for and tracking product materials

A

Radio frequency identification

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3
Q

Acceptance sampling is most appropriate when

A

Inspection costs are high

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4
Q

Disadvantage of sampling inspection

A

Reject a lot that conforms due to variability in sampling

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5
Q

Which tool is most appropriate when evaluating a sampling plan?

A

OC Curve

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6
Q

A company requires a part on a small lot-by-lot basis. On which probability distribution should the OC curve of the sampling plan be based?

A

Hypergeometric

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7
Q

How does the probability of acceptance change as the sample size increases

A

Pa Decreases

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8
Q

What has the least effect on the OC Curve?

A

The lot size

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9
Q

What is AOQL

A

Maximum average outgoing quality limit

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10
Q

What type of sampling method is most appropriate for destructive testing

A

Sequential sampling

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11
Q

What is a disadvantage of a single sampling plan?

A

They do not use tightened inspection

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12
Q

Dodge-Romig tables use the AOQL and LTPD for plan selection. These plans are designed to

A

Minimize average total inspection

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13
Q

Why is sampling integrity is important?

A

To ensure a product has not been contaminated during inspection

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14
Q

Used to maintain Sample Integrity

A

Batch Control
Change Control
Configuration Control

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15
Q

Tool thats used to determine conformance or non-conformance

A

Gauges

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16
Q

Most common method for surface measurements

A

Stylus Averaging

17
Q

Which measurement tool is appropriate for a round shape?

A

Precision Spindle

18
Q

What tests tensile strength?

A

Non-destructive testing

19
Q

Slight changes in temperature where parts are measured for conformance could lead to:

A

Random error in measurement

20
Q

Info on the contribution to error of technicians or a labs procedures can be found in:

A

Measurement assurance protocols

21
Q

When measurements are consistently larger than reference value what has occurred:

A

Systematic error

22
Q

Goal of calibration is to maintain the systems’ ______

23
Q

What component contributes to accuracy?

24
Q

The observed average minus the reference value

25
Inherent fluctuations in the measurement system
Random Error
26
Measurement error caused by humans, imprecise measuring devises, or poor methods:
Systematic Error
27
The accuracy of a measurement system consists of (3)
Gage Bias Linearity Stability
28
Repeatability and reproducibility describe
The precision of the measurement system
29
Measures how changes in the size of the part being measured affect the bias of the measurement system
Linearity
30
Variability of the test instrument when used to measure the same part
Repeatability
31
Variability due to different operators or setups of the measurement system measuring the same part
Reproducibility
32
This type of chart provides info about special causes of variation related to the gage R&R study
R Chart