Quality management

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B. QUESTION-1 If the lower control limit of a c-chart is o, then the average c value can be a) 8, b) 10, c) 12, d) 14 QUESTION-2 In a process control problem, it is determined that A2 = 0.285 and S = 5.683. The estimation of population variance is ...........a) 4.826, b) 5.826, c) 28.45, d) 33.95 QUESTION-3 In an acceptance sampling problem, p=2%, N=3000, n1=50, n2=50+X, c1=3, c2=4. Then, the probability of taking the second sample is .a) 0.01154, b) 0.01533, c) 0.02342, d) 0.03672 QUESTION-4 In a process capability analysis, LSL=30+X, USL=36+X, y = 32.5+X and o= 1. What is the nonconforming percentage of this process?........... a) 0.00264, b) 0.00376, c) 0.00644, d) 0.00782 QUESTION-5 In a process control problem, the estimated process variance is 25 and n=6. Then, R value is equal to ...............a) 9.43, b) 10.63, c) 11.57, d) 12.67 QUESTION-6 In an EWMA chart, infinite samples assumption is made and pe = 54.95+X, o = 3.5, and 1 = 0.2. Then the subtraction UCL-LCL is equal to..........a) 5, b) 6, c) 7, d) 8 QUESTION-7 In a DOE study, there are 4 inputs of a system, which each of them has 3 different input levels. In this case, how many different experiments can be made? ...a) 3, b) 4, c) 12, d) 64, e) 81 QUESTION-8 In a completely randomized design, the division mean square treatment / mean square error gives a ............. value. a) F, b) T, c), d) P, e) | QUESTION-9 FMEA study. RPN can be at most. a) 10, b) 100, c) 1000, d) 10000 In