Process Capability Ratios MCQ

Test your knowledge with important Process Capability Ratios MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Process Capability Ratios MCQs at Bissoy

• Pp is a ___
  ক

  Process capability ratio

  খ

  Process stability ratio

  গ

  Process prediction index

  ঘ

  Process performance index
• What does usage of s instead of R/d2 in the confidence intervals indicate?
  ক

  s=1

  খ

  Process must be in control

  গ

  Process may be in the out-of-control state

  ঘ

  d2<1
• Cpm is the second generation process capability ratio.
  ক

  True

  খ

  False
• Which of these is one of the first generation process capability ratios?
  ক

  Cpk

  খ

  Cpm

  গ

  Cpc

  ঘ

  Cpu
• Cp is called the _________ generation PCR.
  ক

  First

  খ

  Second

  গ

  Third

  ঘ

  Fourth
• Cpkm is also called _________ generation process capability ratio.
  ক

  Third

  খ

  Fourth

  গ

  Second

  ঘ

  First
• Which of these is equal to the squared value of τ?
  ক

  σ2-(μ+T)2

  খ

  σ2+(μ-T)2

  গ

  σ2-(μ-T)2

  ঘ

  σ2+(μ+T)2
• Kotz and Lovelace were in strong opposition of _______________
  ক

  Pp

  খ

  Cp

  গ

  Cpk

  ঘ

  Cpm
• ‘Cp’ and ‘Cpk’ both can’t be used alone to make decisions about the process centering.
  ক

  True

  খ

  False
• ‘Cpk’ can also be used to determine the process capability of non-normal data.
  ক

  True

  খ

  False
• Which of these besides the PCR Cpc can be used to know more about the process centering?
  ক

  Cp

  খ

  Cpm

  গ

  Cpu

  ঘ

  Cpl
• What will be the value of Cpc as σ approaches to zero?
  ক

  Zero

  খ

  One

  গ

  Infinity

  ঘ

  Minus Infinity
• For any fixed value between LSL and USL, Cpk depends _________ on σ.
  ক

  Inversely

  খ

  Directly

  গ

  Negatively

  ঘ

  Positively
• Which of these is not desirable to be worked alone with?
  ক

  Cp

  খ

  Cpc

  গ

  Cpk

  ঘ

  Cpu
• What does the second subscript in Cpc?
  ক

  Course

  খ

  Capability

  গ

  Confidence

  ঘ

  Clarity
• Which of these can be used to analyze the process capability of the process which has the quality characteristic distributed non-normally?
  ক

  Cp

  খ

  Cpk

  গ

  Cpl

  ঘ

  Cpc
• If a process actual fallout is 1350 ppm, and its Cp=2.0, what will be its fallout after centering?
  ক

  1 ppm

  খ

  4 ppm

  গ

  0.009 ppm

  ঘ

  0.0018 ppm
• Which of these measures the potential capability of the process?
  ক

  Cp

  খ

  Cpu

  গ

  Cpk

  ঘ

  Cpl
• Which of these measures the actual capability of the process?
  ক

  Cp

  খ

  Cpu

  গ

  Cpk

  ঘ

  Cpl
• To remove the errors in the estimation of the PCR, the _________ is used.
  ক

  Acceptance Sampling

  খ

  Sample mean

  গ

  Sample variance

  ঘ

  Confidence intervals
• For the calculation of Cpk the quality characteristic should have a lognormal distribution.
  ক

  True

  খ

  False
• Cpk measures the maximum of the two, Cpu and Cpl.
  ক

  True

  খ

  False
• If Cpk=1.0 and Cp=2.0, what will be the actual fallout for the process in ppm?
  ক

  200

  খ

  2700

  গ

  1

  ঘ

  1350
• If Cp=2.0,Cpu=1.5,Cpl=2.5 what will be the value of Cpk?
  ক

  2.5

  খ

  2.0

  গ

  1.5

  ঘ

  0
• For a process, the upper specification limit and lower specification limits are 62 and 38 respectively. If the process has its mean equal to 53, and its standard deviation 2, what is the value of Cpk for this process?
  ক

  1.7

  খ

  2.5

  গ

  1.0

  ঘ

  1.5
• If Cp>Cpk what conclusion can be carried out about the process?
  ক

  The process has its operation at the midpoint of the interval between the specifications

  খ

  The process operates off-center

  গ

  The process performance is the best possible for that Cp

  ঘ

  The process can’t perform any better for same Cp
• Which of these is a correct definition for the Cpk?
  ক

  Cpk is the one sided PCR for the specification limit nearest to the standard deviation of the process

  খ

  Cpk is the one sided PCR for the specification limit farest to the standard deviation of the process

  গ

  Cpk is the one sided PCR for the specification limit farest to the average of the process

  ঘ

  Cpk is the one sided PCR for the specification limit nearest to the average of the process
• Which of these gives the best performance of the process?
  ক

  Cp = Cpk

  খ

  Cp – Cpk = Cpk

  গ

  Cp > Cpk

  ঘ

  Cp < Cpk
• If Cp=Cpk which of these is true?
  ক

  Process is centered at the LSL of the specifications

  খ

  Process is centered at the USL of the specifications

  গ

  Process is centered at the midpoint of the specification

  ঘ

  Process is centered at the outside the specification limits
• Which one of the processes performs the best?
  ক

  The one which operates near the USL

  খ

  The one which operates near the LSL

  গ

  The one which operates at the midpoint of the interval between the specifications

  ঘ

  The one which operates outside the specifications