Category: Certification Exams Questions

OPTIONS Process Capability Process Capability Index Process Performance Process Performance Index ANSWER Process Performance EXPLANATION Process Performance is not a measurement for capability index for continuous data.

OPTIONS Statistical Process Control Standard Process Control Statistical Process Chart Standard Process Chart ANSWER Statistical Process Control EXPLANATION As per SPC or Statistical Process Control, every measurable phenomenon is a statistical distribution, i.e. every set of observed data is a set of effects of unknown...

OPTIONS Master Champion Master Appraiser Process Champion Process Appraiser Correct Option:B Master Appraiser EXPLANATION The process expert who does rating of the samples is called a Master Appraiser.

OPTIONS 0.25 0.3 0.35 0.4 ANSWER 0.3 EXPLANATION % GRR = 100 * ơm /Tolerance % % PV = 100 * ơp /Tolerance % ndc = 1.41 * PV/GRR If %GRR > 30%, gage needs to be replaced.

OPTIONS (ơr + ơo)/2 (ơr + ơo) (ơr squared+ ơo squared)1/2 ((ơr + ơo)/2))1/2 ANSWER (ơr squared+ ơo squared)1/2 EXPLANATION ơm = √(ơr2+ ơo2) where ơr = Repeatability or Equipment Variation ơo = Reproducibility or Appraiser Variation

OPTIONS a) (ơm + ơp)/2 Squareroot of (ơm squared+ ơp squared) (ơm + ơp) ((ơm + ơp) * 2)1/2 ANSWER Squareroot of (ơm squared+ ơp squared) EXPLANATION ơm = Gage Variation ơp = Part Variation ơt (Total Process Variation) = √(ơm2+ ơp2)

OPTIONS Puerto Chart Glaphira Chart Pareto Chart Xbar/Averages Chart ANSWER Xbar/Averages Chart Puerto ChartGlaphira ChartPareto ChartXbar/Averages Chart An Xbar chart is used to observe and evaluate the behavior of a process over time and take corrective action if necessary. The chart plots the average values...

A standard with a known value of 25.4 mm is checked 10 times by one mechanical inspector using a dial caliper with a resolution of 0.025 mm. The readings obtained are:25.425 25.425 25.400 25.400 25.375 25.400 25.425 25.400 25.425 25.375 The tolerance value of this...

OPTIONS Stability Repeatability Bias Linearity ANSWER Bias EXPLANATION A good measurement system should possess the following properties or characteristics: Accuracy, Repeatability, Linearity, Reproducibility. and Stability. Bias is not one of the properties.