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This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Statistical Quality Control knowledge and support exam preparation. Choose a topic below to get started.
1. |
What is the value of the quantity plotter on the Cusum charts? |
A. | (C_i= sum_{j=1}^i ( bar{x}_j- ) ) |
B. | (C_i= sum_{j=1}^i ( bar{x}_j+2 ) ) |
C. | (C_i= sum_{j=1}^i ( bar{x}_j-2 ) ) |
D. | (C_i= sum_{j=1}^i ( bar{x}_j+ ) ) |
Answer» B. (C_i= sum_{j=1}^i ( bar{x}_j+2 ) ) | |
2. |
In which phase of SPC are the Cusum control charts are used? |
A. | Phase I |
B. | Phase II |
C. | Both, phase I and II |
D. | Neither in phase I nor in phase II |
Answer» C. Both, phase I and II | |
3. |
What is the full form of the Cusum control charts? |
A. | Curetted sum control charts |
B. | Corrected sum control charts |
C. | Compressive sum control charts |
D. | Cumulative sum control charts |
Answer» E. | |
4. |
Which of the error types are likely to occur when the warning limits are used with Shewhart control charts the phase II of SPC? |
A. | Type I |
B. | Type II |
C. | Type I and Type II |
D. | Type III |
Answer» B. Type II | |
5. |
Shewhart control charts are insensitive to ________ process shifts. |
A. | Small (<1.5 ) |
B. | Medium (1.5 <shift<3 ) |
C. | Big (>6 ) |
D. | Very Big |
Answer» B. Medium (1.5 <shift<3 ) | |
6. |
Cusum control charts were originated in ____________ |
A. | 1950s |
B. | 1960s |
C. | 1920s |
D. | 1980s |
Answer» B. 1960s | |