PROMGT3 Quiz 3

Question 1

Refers to the uniformity of the process

Answer 1

Process Capability

Question 2

This maintenance approach involves allowing the facilities to continue operating until they fail

Answer 2

Run-to-breakdown

Question 3

The probability that a machine part or product will function properly for a specified time is under consideration.

Answer 3

Reliability

Question 4

Refers to the expected time between a repair and the next failure of a
component, machine, process, or product.

Answer 4

Mean Time Between Failure

Question 5

Attempts to perform maintenance only when the facilities require it.

Answer 5

Condition-based maintenance

Question 6

This maintenance approach adopts some of the teamwork and
empowerment principles as well as a continuous improvement approach to
failure prevention.

Answer 6

Total Productive Maintenance

Question 7

Aims to eliminate or reduce the chances of failure by servicing the
facilities at pre-planned intervals.

Answer 7

Preventive Maintenance

Question 8

An engineering study to estimate process capability

Answer 8

Process capability analysis

Question 9

The estimate of process capability may be in the form of a probability distribution having a specified _______, _______,_________.

Answer 9

Shape
Center (mean)
Spread (standard deviation)

Question 10

A process capability analysis may be performed ______________________.

Answer 10

Without regard to specifications on the quality characteristic

Question 11

True or False. Are specifications necessary to process capability analysis?

Answer 11

No

Question 12

Type of plot that is very useful in process capability studies

Answer 12

Normal probability plots

Question 13

Difference between USL, LSL with UCL, LCL

Answer 13

USL and LSL are specification limits set by design requirements/ customer expectations (determined externally)

UCL and LCL are control limits using control charts for process monitoring. Defines the boundaries within which a process is expected to operate.

Question 14

DPMO means ______________

Answer 14

Defects per million opportunities

Question 15

Potential capability is denoted by ______

Answer 15

Cp; USL - LSL / 6(sigma)

Question 16

Actual capability is denoted by ______

Answer 16

Cpk

Question 17

A CP index of 1 indicates ___________

Answer 17

A capable process

Question 18

A Cpk value ____________ is considered poor and the process is not capable.

Answer 18

Less than 1

Question 19

The geenral accepted minimum value for process capability is ________

Answer 19

1.33

Question 20

If Cp = Cpk then the process is _____________

Answer 20

Centered at the midpoint of the specifications

Question 21

If Cp < Cpk then the process is _____________

Answer 21

Off-center

Question 22

For P/T ratio, k has a value of ______

Answer 22

6

Question 23

Based on standard measures of gauge capability, it would not be considered capable if the estimate of the P/T ratio exceeeds _________

Answer 23

0.10

Question 24

Measurement error for gauge (denoted by sigma gauge) is computed by ________

Answer 24

R-bar / d2