Month: December 2021

OPTIONS Leave the process to chance variations Identify signal and keep looking out for signals Center the mean None of the above Correct Option:A Leave the process to chance variations EXPLANATION A Black Belt doesn’t have to work on this process at all, as the...

OPTIONS 1.66 2 Cannot be determined 1 ANSWER 1.66 EXPLANATION Using standard formula (USL-LSL)/6 * Sigma, the answer is 1.66.

OPTIONS 1.2 1.33 1.6 2 ANSWER 1.33 EXPLANATION Using standard formula (USL-LSL)/6 * Sigma, the answer is 1.33.

OPTIONS Can’t say 1 Slightly less than 1 Slightly more than 1 ANSWER 1 EXPLANATION With the assumptions given, Cpk is equal to Cp thus 1 is correct.

OPTIONS Is the dispersion stableIs the mean shiftingIs the normal distribution shiftingDoes the process exhibit special variability ANSWER Does the process exhibit special variability EXPLANATION A Black Belt cannot calculate capability without knowing if the process is free from special causes or not, so THE...

OPTIONS Process needs to follow a normal fit for data Process needs to have two specification limits Process needs to have at least one specification limit Process needs to be stable ANSWER Process needs to follow a normal fit for data EXPLANATION While a lot...

OPTIONS Most variations in a product resulting in defects are due to Special Causes Variability in a process is due to Common and Special Causes In the short term, one should focus on reducing Common Causes Special Causes result in a process to go unstable...

OPTIONS A stable process is controlled An unstable process is not in control A stable process doesn’t have Special Causes of Variation, mostly A stable process is capable ANSWER A stable process is capable EXPLANATION you cannot definitively say that a stable process is capable...

OPTIONS 4 2 2/Square root (33) Cannot determine ANSWER 2/Square root (33) EXPLANATION By applying standard CLT Clauses.