Total Quality Management Online MCQ Set 11

QN01. The thickness of aluminum sheet is specified to be of 6±2 mm. The Upper Specification Limit and Lower Specification Limit for the sheet are:

  1. 4mm, 8mm
  2. 8mm, 4mm
  3. 6mm, 8mm
  4. 4mm, 6mm
Answer

(B)8mm, 4mm

QN02. Failure Mode and Effects Analysis, which prioritizes different sources of error, is used in ______________ stage.

  1. Define
  2. Measure
  3. Improve
  4. Analyze
Answer

(D)Analyze

QN03. In a six sigma improvement project the least experienced individuals are:

  1. Green Belt
  2. Black belts
  3. Red Belts
  4. Master Black Belts
Answer

(A)Green Belt

QN04. The ______________ diagram starts with one item which then branches of into two or more items. This diagram is used to breakdown broad categories into finer levels of detail.

  1. Affinity
  2. Tree
  3. Relations
  4. Matrix
Answer

(B)Tree

QN05. Lot tolerance percent defective (LTPD) is a level of lot quality specified by the ______________.

  1. Consumer
  2. Producer
  3. Supplier
  4. Sampling Plan
Answer

(A)Consumer

QN06. Machine wear and tear is ______________ source of variation.

  1. Random
  2. Natural
  3. Assignable
  4. Cannot be determined
Answer

(C)Assignable

QN07. Pattern in control charts which show the tendency to cluster around central line is termed as:

  1. Stratification
  2. Mixture
  3. Cyclic pattern
  4. Shift in process level
Answer

(A)Stratification

QN08. When output product of several sources is fed into a common stream, the pattern of the control chart expected is:

  1. Stratification
  2. Trend
  3. Mixture
  4. Cyclic Pattern
Answer

(C)Mixture

QN09. A fan blade is specified by length and thickness. While sampling, it was found that for one particular blade, the length was non-conforming while the thickness was as per specifications. Should the blade be considered non-conforming for construction of a p chart?

  1. Yes
  2. No
Answer

(A)Yes

QN10. Consider that for a particular process, the p has shifted to .4 and the process has gone out of control. The corresponding value of beta is found to be .3356. The value of Average Run Length is:

  1. 2.5
  2. 1.5 ((1/1-beta) provides us with average run length)
  3. 1.0
  4. 2.7
Answer

(B)1.5 ((1/1-beta) provides us with average run length)

QN11. Consider for a process in control, the value of alpha is .0015. What is the value of the average run length?

  1. 666 ( 1/alpha gives us an estimate of average run length)
  2. 555
  3. 444
  4. None of the above
Answer

(A)666 ( 1/alpha gives us an estimate of average run length)

QN12. Identify the charts which might give an indication of process going out of control (before the process has actually changed)

  1. X bar and c
  2. P and c
  3. R and u
  4. X bar and R
Answer

(D)X bar and R

QN13. The four phases of the Shewart cycle are:

  1. Plan, Do, Scan, Implement
  2. Plan, Act, Do, Control
  3. Plan, Do, Act, Check
  4. Implement, Design, Control, Plan
Answer

(C)Plan, Do, Act, Check

QN14. For a process which is six sigma complaint, the percentage of products within specifications is:

  1. 95.20%
  2. 99.73%
  3. 99.10%
  4. 96.78%
Answer

(B)99.73%

QN15. Mistake proofing of process is done in the ______________ stage of DMAIC.

  1. Define
  2. Measure
  3. Improve
  4. Control
Answer

(C)Improve

QN16. In ______________ step of Quality Function Deployment, product or service requirements are collected and analysed through techniques like market research.

  1. Identify Customer Attributes
  2. Identify Design Attributes / Requirements
  3. Conduct an Evaluation of Competing Products.
  4. Evaluate Design Attributes and Develop Targets
Answer

(A)Identify Customer Attributes

QN17. For a double sampling plan the probability of acceptance on the combined samples is calculated as:

  1. Maximum of probability of acceptance of first and second sample
  2. Product of probability of acceptance of first and second sample
  3. Average of probability of acceptance of first and second sample
  4. Sum of probability of acceptance of first and second sample
Answer

(D)Sum of probability of acceptance of first and second sample

QN18. ______________ can be defined as small subset of a lot.

  1. Defect
  2. Fraction Acceptable
  3. Sample
  4. Acceptance Number
Answer

(C)Sample

QN19. If the value of D4 = 2.547, D3=0, then what is the UCL and LCL for the R chart?

  1. UCL=1.5, LCL=.4
  2. UCL= 1.2, LCL=.2
  3. UCL=1.5, LCL=0
  4. UCL=1.6, LCL=0
Answer

(D)UCL=1.6, LCL=0

QN20. Process capability ratio is expressed as:

  1. USL+LSL/6σ
  2. USL-LSL/6σ
  3. USL-LSL/3σ
  4. USL-LSL/σ
Answer

(B)USL-LSL/6σ

QN21. Which of the following is the correct combination of specifications while designing a control chart:

  1. Sample size, Frequency of sampling, specification limit
  2. Sample size, Frequency of sampling, Number of defects
  3. Sample size, Specification limit, process standard deviation
  4. Sample size, Process mean, specification limit
Answer

(A)Sample size, Frequency of sampling, specification limit

QN22. For a c chart, the LCL comes out to be -.7. The value of LCL that should be used is:

  1. -.7
  2. 0
  3. 1
  4. None of the above
Answer

(B)0

QN23. For a Poisson distribution:

  1. The mean is greater than the variance
  2. The mean is less than variance
  3. The mean is equal to the variance
  4. Cannot be determined
Answer

(C)The mean is equal to the variance

QN24. Effective quality control results in:

  1. Increase in customer satisfaction
  2. Lower cost
  3. None of the above
  4. Both a and b
Answer

(D)Both a and b

QN25. Effective quality improvement can be instrumental in:

  1. Increasing productivity
  2. Reducing cost
  3. Both a and b
  4. None of the above
Answer

(C)Both a and b

QN26. Typically in a cause and effect diagram, the ______________ is used for classification of causes in the service industry.

  1. 5Ms
  2. 8Ps
  3. 5Ss
  4. 6Ps
Answer

(C)5Ss

QN27. Producers risk can be defined as:

  1. The probability of rejecting a good lot
  2. The probability of accepting a bad lot
  3. The probability of accepting a good lot
  4. The probability of rejecting a bad lot
Answer

(A)The probability of rejecting a good lot

QN28. In critical path method, earliest start is the:

  1. The largest Earliest Finish leading to that task
  2. The smallest Earliest Finish leading to that task
  3. Average of Earliest Finish leading to that task
  4. Whenever the task can start
Answer

(A)The largest Earliest Finish leading to that task

QN29. Which of the following is not a use of arrow diagram:

  1. Determining the best schedule for the entire project
  2. Potential Scheduling problem and solution
  3. Calculate critical path of the project
  4. Identifying defects in a process
Answer

(D)Identifying defects in a process

QN30. For an ideal OC curve the probability of acceptance for lot fraction defective less than .01 is ______________.

  1. Equal to 1
  2. Less than 1
  3. Greater than 1
  4. 0
Answer

(A)Equal to 1

QN31. Factory A produces 100 pieces of wooden legs used in manufacturing tables in 1 hour. The factory in total works for 3 hours. The quality manager decided to check the quality of the output by measuring the length of the legs (in cms). He decides to collect three samples (one for each hour). The sample size for each sample is fixed at 5. The data collected is present in the following table:

Leg 1 Leg 2 Leg 3 Leg 4 Leg 5
Sample 1 10.2 10.5 9.8 9.7 10.3
Sample 2 10.4 9.9 10.1 10.2 9.8
Sample 3 9.9 9.8 10.2 10.1 10.4

What is the mean and range of leg length in sample 1?

  1. Mean=10.3;Range=.3
  2. Mean=10.1;Range=.8
  3. Mean=10.2;Range=.6
  4. Mean=9.9;Range=.5
Answer

(B)Mean=10.1;Range=.8

QN32. If we want to detect small process shifts using x bar chart, we should use a sample size of:

  1. Less than 5
  2. 5-10
  3. 10-15
  4. 15-25
Answer

(D)15-25

QN33. The parameters of s2 chart is specified using:

  1. Normal Distribution
  2. Geometric Distribution
  3. Binomial Distribution
  4. Chi-square distribution
Answer

(D)Chi-square distribution

QN34. The focal point of all quality control should be:

  1. Price focus
  2. Cost Focus
  3. Customer Focus
  4. Manufacturing Focus
Answer

(C)Customer Focus

QN35. Failure Mode and Effects Analysis, which prioritizes different sources of error, is used in
_________________ stage.

  1. Define
  2. Measure
  3. Improve
  4. Analyze
Answer

(D)Analyze

QN36. Which of the following is the correct combination of specifications while designing a control
chart?

  1. Sample size, Frequency of sampling, specification limit
  2. Sample size, Frequency of sampling, Number of defects
  3. Sample size, Specification limit, process standard deviation
  4. Sample size, Process mean, specification limit
Answer

(A)Sample size, Frequency of sampling, specification limit

QN37. The South African government is concerned about the high incidence of HIV/AIDS in South Africa. They wish to estimate the true number of people in South Africa who are HIV positive. A random sample of 5000 people were tested and 1980 of them were HIV positive. What is the statistic?

  1. The 5000 people sampled
  2. All the people in South Africa
  3. Impossible to calculate from the given information
  4. The 1980 people sampled who were HIV positive
Answer

(D)The 1980 people sampled who were HIV positive

QN38. The thickness of aluminum sheet is specified to be of 6±2 mm. The Upper Specification Limit and Lower Specification Limit for the sheet are:

  1. 4mm, 8mm
  2. 8mm, 4mm
  3. 6mm, 8mm
  4. 4mm, 6mm
Answer

(B)8mm, 4mm

QN39. In case someone is interested in process standard deviation, he should construct the ______________ chart.

  1. X bar
  2. R chart
  3. S chart
  4. None of these
Answer

(C)S chart

QN40. Suppose box A contains 4 red and 5 blue coins and box B contains 6 red and 3 blue coins. A coin is chosen at random from the box A and placed in box B. Finally, a coin is chosen at random from among those now in box B. What is the probability a blue coin was transferred from box A to box B given that the coin chosen from box B is red?

  1. 15/29
  2. 14/29
  3. 1/2
  4. 7/10
Answer

(A)15/29

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