Q.1
Which type of uncertainty is evaluated in Type-B Evaluation?
  • a) When observations are taken under same conditions
  • b) When information has possible variability of input variables
  • c) When Information is present non continuous manner
  • d) When information is available and is used as it is without any judgement
Q.2
Type-B method is a type of which evaluation approach?
  • a) Gaussian approach
  • b) Triangular distribution approach
  • c) U shaped distribution approach
  • d) Modern approach
Q.3
What is the coverage factor in a Type-B method?
  • a) Any numerical value only
  • b) A multiple of sigma only
  • c) A numerical value or multiple of sigma
  • d) Always equal to one
Q.4
What value of uncertainty cannot be taken in a Type-B method?
  • a) Standard uncertainty without certificate
  • b) Resultant of previous value
  • c) Evaluated on the basis of experience
  • d) Reference value from the literature
Q.5
If calibration certificate state the uncertainty at Xσ (X is numerical value) and quoted uncertainty is N, then what is the value of standard uncertainty?
  • a) X*N
  • b) X/N
  • c) N/X
  • d) NX
Q.6
When is rectangular distribution is used in Type-B evaluation method?
  • a) When value of measurand is equal to upper limit
  • b) When value of measurand is equal to lower limit
  • c) When measurand lies anywhere within the limits
  • d) When no limits can be determined
Q.7
When is triangular distribution is used in a Type-B method?
  • a) When most values are near the origin
  • b) When most values are near the right most position of distribution
  • c) When most values are near the left most position of distribution
  • d) When most values are near the centre of distribution
Q.8
What is the sensitivity coefficient?
  • a) It describes how sensitive the input data is
  • b) It describes to what extent output data is influenced with variation in input data
  • c) It describes to what extent input can change
  • d) It describes to what extent input data is influenced with variation in the number of observations
Q.9
Which of the following is not treated as Type-B uncertainty?
  • a) Hysteresis
  • b) Common Mode Voltage
  • c) Nonlinearity
  • d) Repeatability
Q.10
Which distribution is related to U-probability distribution of Type-B evaluation of uncertainty?
  • a) Arcsin distribution
  • b) Binomial distribution
  • c) Poisson distribution
  • d) Bernoulli distribution
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