Download AKTU B-Tech 8th Sem 2015-16 EME 055 Six Sigma Methods Applications Question Paper

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Printed Pages: 3

Paper ID: 140855                                                         Roll No.

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B.TECH.

Theory Examination (Semester-VIII) 2015-16

SIX SIGMA METHODS & APPLICATIONS

Time: 3 Hours                                                         Max. Marks: 100

Q1. Attempt all questions (2×10=20)

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1. What are the differences between 'services' and 'products'?
2. How do you visualize quality in the service sector?
3. What is inferential statistics?
4. Define median, range, standard deviation and kurtosis.
5. Differentiate between Normal and Binomial distribution.

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6. What is histogram? How is it constructed?
7. What is SIPOC?
8. What is meant by defects? Explain how you will classify defects in qualitative measurements case. Also explain the importance of having 'sigma' as a metric in denoting performance of a product, service or system.
9. Discuss the box-plot vis-a-vis a histogram. Can we call a Pareto chart a histogram? Justify your answer.
10. A battery manufacturer was considering changing suppliers for a particular part. The purchasing manager required that the average cost of the part be less than or equal to Rs 320 in order to stay within budget. A sample of the 32 initial deliveries had a Mean of the new product upgrade price of Rs 280 with an estimated Standard Deviation of Rs 30. Based on the data provided, compute the value of Z for the data assuming a Normal Distribution.

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Q2. Discuss practicability in Six Sigma. Give a brief review of reinforcement and control procedures (10)

Attempt any two (2×15=30)

Q3. What are QFD (Quality function deployment) and 'Failure Modes & Effects Analysis' (FMEA)? How to perform FMEA?

Q4. A process produces 40,000 pencils. Three type of defects can occur. The number of occurrence of each defect type are : Blurred printing (as pencil slips in the fixture) = 36 Wrong dimension (at three independent place) =118 Rolled ends (at top and/or bottom) = 11 Find out DPMO

Q5. Explain three basic approaches for implementing six sigma.

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