Reliability engineering deals with an organized approach of time & Cost effective engineering methodologies over a span of product's lifecycle. Its basic purpose is to develop methods and tools to evaluate and demonstrate Reliability, Maintainability, availability Obsolescence management, Configuration Control Management (CCM) and safety of components, equipment and systems, as well as to support Design and Production engineers in developing these characteristics in the design stage.

The word "Reliability" is a broad term and has been defined differently by various Reliability scholars. Without intricating it further, we will try to understand the Reliability fundamentals in simple words. Reliability may be defined as The probability that an item will perform its intended function for a specified time interval under stated use condition.

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One of the most important responsibilities of Reliability engineer is that he has to work in coordination with other Project engineers so as to ensure reliability, maintainability, availability, parts control, obsolescence management, configuration control etc of new product designs as well as improved designs of old products.

The main role of Reliability Engineer is identification and management of the reliability risks that may have a negative impact on production or post production operation of the product. This can be further split into three main sub categories i.e. Loss identification and reduction,...

Why we need to understand and predict Reliability of a product ?? Why to put extra cost and extra efforts in understanding it?? Once the product is manufactured and used, We can come to know about its reliability. Then Why to make it more complex? Why this, Why that?? Well... My friend, Here comes the answer. Though there are many advantages of Reliability as a very crucial product aspect, We are listing few of them.