QUESTION 21. A milling operation has historically produced an average thickness of 0.005 inch with an average range of 0.00015 inch. Currently the first three items from each batch of 20 are inspected. What is the value of the LCLx?AnswerLess than or equal to 0.00100Greater than 0.00100 but less than or equal to 0.00299Greater than 0.00299 but less than or equal to 0.00479Greater than 0.004795 points QUESTION 31. Historically the average diameter of the holes drilled has been 0.34 cm and the average range has been 0.14 cm. Assuming samples of size 7 will be taken. What is the value of the LCLR?AnswerLess than or equal to 0.010Greater than 0.010 but less than or equal to 0.020Greater than 0.020 but less than or equal to 0.030Greater than 0.0305 points QUESTION 41. Historically the average diameter of the holes drilled has been 0.34 cm and the average range has been 0.14 cm. Assuming samples of size 7 will be taken. What is the value of the UCLx?AnswerLess than or equal to 0.0898Greater than 0.0899 but less than or equal to 0.1242Greater than 0.0.1243 but less than or equal to 0.2478Greater than 0.2479 but less than or equal to 0.4264Greater than 0.42645 points QUESTION 81. A metal-cutting operation consistently averages 19.8 with a standard deviation of 0.4. The design engineers have established an upper specification limit of 20 and a lower specification limit of 17. Which statement concerning this process is TRUE?AnswerThe process capability ratio is 1.46The process capability index is 1.33The process is in controlNone of these is true
