Quality Management Mc1591 Quiz1

10 Questions | Total Attempts: 191

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Quality Management Mc1591 Quiz1


Questions and Answers
  • 1. 
    What is the estimator of standard deviation in the x bar and R charts?
    • A. 

      Mean of one sample

    • B. 

      Mean of whole process

    • C. 

      Range

    • D. 

      Process capability process

  • 2. 
    LCL for the R chart is given by ____
    • A. 

      D3 R

    • B. 

      D2 R

    • C. 

      R – D3 R

    • D. 

      D2 R

  • 3. 
    In the general equation of UCL of a control chart, for any x chart, which of these is used as the estimator of μ?
    • A. 

      X bar

    • B. 

      R bar

    • C. 

      X double bar

    • D. 

      R double bar

  • 4. 
    In phase I application of x and R chart, the control limits obtained from the equations are treated as ______
    • A. 

      Final limits

    • B. 

      Trial limits

    • C. 

      Warning limits

    • D. 

      Pattern limits

  • 5. 
    Which term is having a closest meaning as Sampling Distributions?
    • A. 

      Control charts

    • B. 

      On site inspection

    • C. 

      Whole lot inspection

    • D. 

      Acceptance sampling

  • 6. 
    Process capability generally uses ____
    • A. 

      Specifications

    • B. 

      Control limits

    • C. 

      Process standard deviation

    • D. 

      Mean of any one sample

  • 7. 
    Is there any relationship between specification limits and control limits of x and R charts?
    • A. 

      Yes, Specification limits = Control limits

    • B. 

      Yes, Control limits=Specification limits/2

    • C. 

      No

    • D. 

      Yes, Control limits*0.5 = Specification limits

  • 8. 
    Control limits are ___  
    • A. 

      Limits defined by customers

    • B. 

      Limits driven by the natural variability of the process

    • C. 

      Limits driven by the inherent variability of the process

    • D. 

      Statistical limits

  • 9. 
    The natural variability of the process is measured by ____  
    • A. 

      Process mean

    • B. 

      Sample standard deviation

    • C. 

      Process standard deviation

    • D. 

      Sample mean

  • 10. 
    What type of chart will be used to plot the number of defectives in the output of any process?  
    • A. 

      x bar chart

    • B. 

      R chart

    • C. 

      C chart

    • D. 

      P chart

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