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Lean Six Sigma Black Belt
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  1. What is this curve? Kubler Ross curve is also known as ‘Five stage of Grief’. This model was introduced by Swiss-American Psychiatrist Elisabth Kuber-Ross in her 1969 book ‘On Death and Dying’. This book and the work she had done was inspired by her work with patients who were terminally ill. It’s a series of various level/stages of emotions which are experienced by: - - A ill patient prior to death - A person who is going to approach death - A person who is a survivor of close acquainted to death - A person who have lost a love
  2. OEE OEE stands for Overall equipment efficiency and a technique developed in 1960 to evaluate how effectively an equipment is utilized. Components of OEE There are three component in OEE as explained below. OEE = Availability * Performance Efficiency * Quality Efficiency Uptime Good units produced (hrs) Good Units Produced (hrs) OEE = --------------------- * --------------------------------------------- * ---------------------------------------------
  3. Visual Factory Visual Factory methodology is a concept of lean which means visualizing information on work place where it happening in reality. There is saying which elucidates Visual factory in short “You can control what you can see”. Visual factory is a substantial communication tool. It allows one to know the results even without any word and disruption with work force in work place. Visual factory foremost a momentous role in productivity improvement. The question arrives in mind that how Visual factory leads to productivity improvement and answer lies in a word of V
  4. Q 274. Minimum Viable Product (MVP) is a popular technique to launch innovations in the market. What is an MVP? Provide some examples of popular products that were launched using MVP but enhanced later. What is an MVP? Definition: - Minimum Viable Product is a development technique in which a new product or website is developed with basic features to satisfy early adopters or to get attention of the consumers. And the final product is released only after getting detailed feedback from initial users. This concept has interpreted by Eric Ries, a consultant and writer on sta
  5. Three deviations often used together in Toyota Production system that jointly explains inefficient allocation of resources/wasteful practices to be eliminated. This is also called a 3M model of Toyota Production System. These are called be enemies of Lean – Muda (Waste), Muri (Overburden) & Mura (Unevenness). What are these wastes - Muda, Muri and Mura? Muda (Waste): - There are many definition of Muda which helps to understand what Muda is: - 1. It refer to the work which doesn’t add value for customer. 2. Activity that consumes
  6. What is a residual in Regression? A Residual is a Perpendicular distance between a data point and the regression line. A Residual is a measure of how well a line fits and individual point. Each data point has one residual. They are positive if they are above the regression line and negative if they are below the regression line. And if the regression line actually passes through the point, the residual at that point is Zero. You get a line of best fit while performing Simple line regression and the data point don’t fall exactly on this regression equation line, but s
  7. Distinguish Critical Path Method from Critical Chain Method: - Critical Path Method Critical Chain Method Definition: - CPM is an algorithm for scheduling a set of project activities and commonly used in conjunction with the program evaluation and review technique. CPM has developed in the late 1950 by Morgan R Walker. CPM helps to identify critical and non-critical tasks from project’s start to end and helps in short-term prevention. The longest path is known as the critical path, and the duration of th
  8. Brook’s Law Brook’s Law is: “Adding additional resources to a late software development project will make the project later”. Q1. Whether Brook’s Law applies to delayed Lean Six Sigma Projects? Answer: Yes it applies to Lean Six Sigma Projects. Q2. How Brook’s Law applies to delayed Lean Six Sigma Projects? Answer: Brook’s Law can also be applied to dissimilar types of Projects (could be challenging or methodological projects) where highly skilled and experienced workforce are required. There are following reasons which tells how this Law applie
  9. CONWIP CONWIP stands CONstant Work In Progress. CONWIP is a one type of pull system which uses a single global set of cards to control Total WIP anywhere in the system or shop floor. Raw material can enter in CONWIP only when there a demand, it receives through the authorized cards and this same card authorize raw material to move throughout the system till production completion. This cards will only be released when the final product moved out from system and then this card will be used to enter new material in system as per demand. In CONWIP system, WIP is not controlle
  10. What is Purple Cow? The principle of the Purple Cow is that it must be remarkable and not just what you see very commonly. This is the term used in Marketing and Sales. What could be remarkable, is your product or services and could be both. Purple Cow term is more appropriate to explain that product or services must remarkable and not commonly used or seen. Its commonly said that better marketing leads to good product sale but its not only thing which makes product best. Advertisements when its come on television are not must to watch and the control remains in users hand and duri
  11. What is Planning Poker? Planning Poker is an agile estimating and planning technique that is consensus based. The owner or customer announces an agile user story or explains a feature to the estimators in order to start a poker planning session. Participants (or called estimator) are holding Planning Poker cards with values like 0, 1, 2, 3, 5, 8, 13, 20, 40 and 100. The values symbolize the number of story points, working days, or other units in which the team estimates. The participants discuss the quality of product and they ask quality of product related q
  12. Hammurabi Code Hammurabi codes complied 282 laws that categorizes three signification concepts. - Accountability - Incentives - Manage Risk and Communication Principles Accountability: - Hammurabi put more focus on value of having “Skin in the Game”. When he mentioned skin in the game means existentially accountability of involved parties. And this help parties to give more focus on result and impartiality. Innovative way of someone accountable:- - Bankers who approves loan will be penalized if the borrower becom
  13. 1. Productivity improvement by organizing the maintenance activity of assets according to its current condition and this will help eliminating unwanted/unplanned works. 2. Consistency & accessibility/availability - eliminating significant downtime will help increasing availability and also this helps minimizing operational risk by predictive analysis and transparency of the system condition. 3. Values - Resource planning, Material and Predict maintenance, Execution of Maintenance activities is planned and enhanced routine. 4. Asset Management - Maintaining a good records, E
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