Tag: AQA

OPTIONS min (Cpl, Cpu) max (Cpl, Cpu) avg (Cpl, Cpu) stddev (Cpl, Cpu) ANWER min (Cpl, Cpu) EXPLANATION The Process Capability Index Cpk is the minimum of both Cpl and Cpu.

OPTIONS (USL-LSL)/(6 * ơ) (USL+LSL)/(6 * ơ) (USL+LSL)/(ơ) (USL+LSL)/(2*ơ) ANSWER (USL-LSL)/(6 * ơ) EXPLANATION Cp = (USL-LSL)/(6 * ơ), with USL – LSL representing the Process Tolerance.

OPTIONS Standard Error of Mean Standard Error of Mode Standard Estimation of Mode Standard Estimation of Mean ANSWER Standard Error of Mean EXPLANATION The standard deviation of the averages denoted by SEM or Standard Error of Mean is represented by standard deviation of population divided...

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)