New PMP Question & Answers with explanation

Which of the following quality control tools and techniques may not be used for root cause analysis?
Select one
A project was randomly selected for a quality audit, and the external auditor found various issues and nonconformance. The project manager lodged a complaint with the quality department that this was improper procedure, and he should have received notice since an external auditor was involved. What is your view?
Select one
Conformance to requirements and fitness for use are key concepts in quality management. Which of the following is another name for customer needs?
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All of the following statements are true about the cause-and-effect diagram except:
Select one
You are a project manager for an automotive parts company. Your organization was hired to produce clutches for an exotic car company. This will involve the design and production of custom clutches. During the course of the project, as you review a quality control statistics chart that examines every clutch produced for the month, you notice several cases where the spring component of the clutch is expanding with too much force and is falling outside the upper control limit. Which type of Quality Control tool are you most likely using?
Select one