New PMP Question & Answers with explanation

Which of the following is an output of the plan quality management process:
Select one
While testing the strength of concrete poured on your project. You discover that over 35 percent of the concrete does not meet your company`s quality standards. You feel certain the concrete will function as it is, and you don't think the concrete needs to meet the quality level specified. What should you do?
Select one
A project manager and team from a firm that designs railroad equipment are tasked to design a machine to load stone onto railroad cars. The design allows for 2 percent spillage, amounting to over two tons of spilled rock per day. In which of the following does the project manager document quality control, quality assurance and quality improvements for this project?
Select one
All of the following are parts of the control quality process except
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A project manager takes over an existing project, only to find that there are no quality standards. What part of the quality process should the project manager be in
Select one