Reg. No. :

M.E. DEGREE EXAMINATION, JANUARY 2010

First Semester

Product Design and Development

PD 9211 — QUALITY CONCEPTS IN DESIGN

(Common to M.E. Computer Aided Design and M.E. Engineering Design)

(Regulations 2009)

Time: Three hours Maximum: 100 Marks

Answer ALL Questions

PART A — (10 × 2 = 20 Marks)

1. Define House of quality.

2. What is meant by signal to noise ratio?

3. State the elements of system modeling.

4. List out the advantages and limitations of FMEA.

5. State the principles of experimental design.

6. Define the terms Degree of freedom and Correlation coefficient.

7. State the construction of stem plot.

8. Define MTBF.

9. State the methodology of six sigma.

10. List out the applications of six sigma in manufacturing.

PART B — (5 × 16 = 80 Marks)

11. (a) (i) Discuss the objectives and methodology of quality function

deployment with suitable example. (10)

(ii) State the role of stakeholders and explain how to set ideal and

marginally acceptable target. (6)

Or

Question Paper Code: W7687

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W 7687 2

(b) Explain the seven step processes to develop robust product through

Design of Experiments in detail. (16)

12. (a) (i) Explain the various types, general processes, timing and uses of

FMEA. (10)

(ii) Discuss computer monitor stand for a docking station. (6)

Or

(b) Discuss the basic rules, general processes and checklist for embodiment

design. (16)

13. (a) (i) Explain the various types of factorial design methods for planning

experiments. (8)

(ii) Discuss the advanced DOE method for product testing. (4)

(iii) State the assumptions of the ANOVA test. (4)

Or

(b) Explain the following in detail.

(i) Standard error of the residual t-test

(ii) Blender panel display evaluation

(iii) Coffee grinder experimental optimization

(iv) Taguchi method. (4 × 4 = 16)

14. (a) Discuss the construction of leaf plot, box plot, matrix plot and 3D plot

with the help of suitable examples. (16)

Or

(b) Discuss the construction of Pareto diagram, Cause and Effect diagram,

Scatter diagram and Run Chart in detail. (16)

15. (a) Explain the six sigma application strategy and keys to six sigma success.

(16)

Or

(b) Discuss the synergy of six sigma and lean production and explain how

service processes are improved using DMAIC. (16)

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