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Question:

The Pareto Principle is a technique used by quality managers to determine which quality control problems concerning a particular service or manufacturing process should be corrected. Which of the following statements best represents the philosophy employed by this principle?
  1. The majority of defects are caused by a small percentage of the identifiable problems. Improvement efforts should be reserved for those few vital problems
  2. A and D
  3. In order to achieve zero defects, all quality control problems, including those which do not have a direct financial cost should be corrected
  4. Generally, 80% of the quality control problems are justifiable for correction via costbenefit analysis. The remaining 20% are not financially worthy of improvement efforts
  5. In order to minimize financial losses from quality control problems, all problems which have a measurable cost associated with them should be corrected






Q2. Quality circles work best if employees are initially trained in ______________

  1. Group dynamics
  2. Motivation principles
  3. Communications
  4. All of the three.
Correct Answer

Q3. Identification of customers and listening to the Voice of Customer (VoC) are a part of:

  1. Quality Assurance
  2. Quality Planning
  3. Quality Control and Improvement
  4. Quality Execution
Correct Answer

Q4. The defect concentration diagram can be used in the ______________ stage of the DMAIC.

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

Q5. Which of the following is not true regarding when to select a p, c or u chart:

  1. The process is a complex assembly operation and product quality is measured in terms of the occurrence of nonconformities, successful or unsuccessful product function, and so forth.
  2. Process control is necessary, but measurement data cannot be obtained.
  3. A historical summary of process performance is necessary.
  4. Destructive testing (or such other expensive testing procedures) is required.
Correct Answer

Q6. All of the following statements about acceptance sampling plans are true except:

  1. Acceptance sampling plans are necessary when destructive inspections are required
  2. Acceptance sampling plans do not directly control the quality of a series of lots; they instead specify the risk of accepting lots of given quality
  3. Acceptance sampling plans are not very effective for inspecting small lots of custommade products
  4. Acceptance sampling plans are beneficial when the cost of inspections is high and the resulting loss of passing non-conforming units is not great
  5. Acceptance sampling plans are never as effective at rejecting non-conforming units as 100 percent inspection, even when the inspection process is very tedious
Correct Answer

Q7. The objective of Design of Experiments (DOE) is to

  1. Map all process steps and determine their average duration
  2. Establish optimal process performance by finding the right settings for key process input variables
  3. Establish how well the process runs for all possible machine input variables and settings
  4. Determine the mean and standard deviation of a population key process input variables
Correct Answer

Q8. ______________ diagram is used for identifying potential relationship between two variables.

  1. Pareto
  2. Ishikawa
  3. Histogram
  4. Scatter
Correct Answer

Q9. A company wants to measure the length of a fan as a part of its quality control exercise. The type of data collected will be:

  1. Variable
  2. Attribute
  3. Cannot be determined
  4. None of the above
Correct Answer

Q10. 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
Correct Answer








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