Introduction of Scatter Diagram  - Scatter diagram is one of the tool in 7 QC tools and used to find the correlation between 2 variables.  - It is also used to find the cause and effect relationship between two variables.  - Scatter diagram is a graph in which …

Introduction of Pareto Chart  - The Pareto Chart is one of the tool in 7 basic tools of quality management.  - Pareto chart is a chart that contains bar and line graph which is also known as Pareto diagram or Pareto analysis.  - Bar graph shows number of defect…

Important Mechanical Interview Questions and Answers Hello Friends, I've collected some interview questions based on my experience in mechanical field. I have some Technical, Tricky and Logical questions. Whether you are fresher or experienced, this question…

What is error?  - Error is defined as difference between the true value and the measured value.  - True value is the average of the infinite numbers of measurements where measured value is the precise value.  - Measurement of any quantity is done by comparing i…

What is Cost of Quality (COQ)?  - COQ is the cost of achieving quality products including resources cost, maintenance cost etc.  - COQ = It is the sum of Cost of Good Quality and Cost of Poor Quality  - COQ is a methodology used to define and measure what amount…

DMAIC  - DMAIC refers to Define, Measure, Analyze, Improve, Control.  - It is an analytical, data-driven approach used to reduce waste and improve the existing process, products and service to meet customer requirements.  - It focus on incremental improveme…

Quality Management Principles  - Principle is a theory or rule that has a major influence on the way in which something is done.  - “Quality management principles” are a set of fundamental beliefs, rules, norms and values that are accepted as true and can b…