Q.1
What of these can be used as a reasonable model for measurement system capability studies? Here y,x and ε denote the observed measurement, true measurement, and the measurement error respectively.
  • a) y=x-2ε
  • b) y=x+ε
  • c) y=x-ε
  • d) y=x+2ε
Q.2
The P/T ratio stands for ___________
  • a) Probability to tolerance ratio
  • b) Precision to time ratio
  • c) Probability to total ratio
  • d) Precision to tolerance ratio
Q.3
If the number of standard deviations between the usual natural tolerance limits of a normal distribution, what is the value used for k in the P/T ratio?
  • a) 5.15
  • b) 8
  • c) 6
  • d) 5.60
Q.4
The options are the P/T ratios for different measurement systems. Which of these shows an adequate measurement system?
  • a) 0.21
  • b) 0.13
  • c) 0.18
  • d) 0.06
Q.5
The cause of calling a measurement system adequate because it has P/T ratio lesser than 0.is ____________
  • a) A measurement device should be calibrated in units one-tenth large as the accuracy required in final measurement
  • b) A measurement device should be calibrated in units one-third large as the accuracy required in final measurement
  • c) A measurement device should be calibrated in units one-fourth large as the accuracy required in final measurement
  • d) A measurement device should be calibrated in units three-tenth large as the accuracy required in final measurement
Q.6
Which of these can be used as the estimate of standard deviation of total variability which is including both product variability, and the gauge variability?
  • a) The sample mean
  • b) The sample variance
  • c) The sample standard deviation
  • d) No of defects in the sample
Q.7
If the sample variance of a process is, 10.and the gauge capability standard deviation is estimated to be 0.What will be the value of the estimate of the standard deviation of the product variability?
  • a) 9.26
  • b) 3.04
  • c) 2.03
  • d) 8.91
Q.8
The general rule, that is used to define a measurement system adequate by using P/T ratio equal to or less than 0.can be used without caution.
  • a) True
  • b) False
Q.9
ρP=1-ρM.
  • a) True
  • b) False
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