ME 1705 E3 : QUALITY ENGINEERING 

Syllabus

Module I 
Fundamentals of the theory of probability: objectives and applications; variable and attributes, fundamentals concepts; patterns of variation, frequency distribution; cells and cell boundaries, cumulative frequency 
distribution, the normal distribution, average, measure of dispersion, statistical concept of universe. Binomial distribution, mean and standard deviation, Poisson distribution as an approximation to the binomial, use 
of tables for solving Poisson problems. 

Module II 
Shewhart’s control charts for variables: X bar and R charts, relationship between sample parameters and universe parameters, control limits for X bar and R charts, examples of processes in control, examples of processes out of control, process capability Control chart for fraction defective: necessary steps for selection of sub groups, choice between p chart and npchart, control limits, charts showing control and lack of control, sensitivity of the p chart. Control charts for defects: control limits for c charts; preparation and use of c charts. 

Module III 
Acceptance sampling : lot by lot acceptance using single sampling by attributes, operating characteristics curves, producer’s risk, consumer’s risk, AOQL, LTPD, quality protection, selection of sampling plans, choice of sampling plans to minimize average total inspection, ATI curves, double and sequential sampling plans, concept of AQL 

Module IV 
Life testing and reliability: concept & definition of reliability, analysis of life test, failure distribution- probability of equipment failure, conventional model, failure rate, MTBF, OC curves ,exponential reliability function, series, parallel, and combinational reliability, redundant system, maintainability, and availability. 

References: 
1) E.L.Grant : Statistical Quality Control, (McGraw Hill) 
2) L.S. Srinath : Reliability Engineering 
3) Mahajan : Statistical Quality Control 

Type of Questions for University Exam.
Q 1.Eight short answer questions of 5 marks with two questions from each of the four modules. (8x5 = 40 marks) 
Q 2. to Q.5 : Two questions A & B of 15 marks from each modules with option to answer either A or B. (4x15 = 60 marks)