Process Capability Analysis Using Control Charts MCQ

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• Histograms explain the process statistical control better than the control charts.
  ক

  True

  খ

  False
• p-charts can be used rather than using the x & R charts, in the case of variable time spans of data collection.
  ক

  True

  খ

  False
• If Cpu=1.82 for strength quality characteristic for a new process, can we use the process?
  ক

  Process is capable

  খ

  Process is not capable

  গ

  Process is capable but will improve in sooner time

  ঘ

  Process is not capable but will improve in sooner time
• Which one of these can be used as the monitoring device to show the effect of changes in the process on process performance?
  ক

  Control charts

  খ

  Designed experiments

  গ

  Histogram

  ঘ

  Probability plots
• If the Cpl of a safety-related parameter, is 0.69, what can we say about the process capability?
  ক

  Process is capable

  খ

  Process is not capable

  গ

  Process is capable but will become not-capable in sooner time

  ঘ

  Process is not-capable but will become capable in sooner time
• Which control charts will be useful if the process output data for the process capability study are collected in different time periods?
  ক

  x & R Charts

  খ

  p-charts

  গ

  c-charts

  ঘ

  u-charts
• Which one of these is similar to the long-term variability?
  ক

  Instantaneous variability

  খ

  Variability across time

  গ

  Large variability

  ঘ

  Large distance variability
• What is the second name of instantaneous variability?
  ক

  Long term variability

  খ

  Short term variability

  গ

  Long distance variability

  ঘ

  Variability across time
• Which one of these helps us to find both instantaneous and the variability across time variability?
  ক

  p-charts

  খ

  np-charts

  গ

  x & R Charts

  ঘ

  c-charts
• Which one of these charts doesn’t need the specification of the quality characteristic?
  ক

  x & R Charts

  খ

  p-charts

  গ

  c-charts

  ঘ

  u-charts
• Which chart should be used, if possible?
  ক

  x & R Charts

  খ

  u Charts

  গ

  p Charts

  ঘ

  c Charts
• Which one of these is primary technique of the process capability analysis?
  ক

  Histogram

  খ

  Process capability ratios

  গ

  Probability plots

  ঘ

  Control charts
• Which one these show that, if the systematic pattern in process output is eliminated, it would produce a lesser variability in the quality characteristic?
  ক

  Probability plots

  খ

  Control Charts

  গ

  Histogram

  ঘ

  PCRs
• Which one of these addresses the issue of statistical control?
  ক

  Design of process experiments

  খ

  Probability plots

  গ

  Control charts

  ঘ

  Histogram
• Which one of these tells explicitly about the potential capability of the process?
  ক

  Histogram

  খ

  Probability plots

  গ

  PCRs

  ঘ

  Control charts