EFFECT FROM THE ACADEMIC YEAR 2013 - 2014
AE 451
QUALITY CONTROL & RELIABILITY ENGINEERING
Instruction 4 Periods per week
Duration of University Examination 3 Hours
University Examination 75 Marks
Sessional 25 Marks
UNIT-I
Introduction and Process Control for Variables: Introduction, definition of quality, basic concept of quality, definition of SQC, benefits and limitation of SQC, Quality assurance, Quality cost-Variation in process- factors - process capability - process capability studies and simple problems -Theory of control chart- uses of control chart-Control chart for variables - X chart, R chart and s chart.
UNIT-II
Process Control for Attributes: Control chart for attributes -control chart for proportion or fraction defectives - p chart and np chart - control chart for defects - C and U charts, State of control and process out of control identification in charts.
UNIT-III
Acceptance Sampling: Lot by lot sampling - types - probability of acceptance in single, double, multiple sampling techniques-O.C. curves - producer’s Risk and consumer’s Risk. AQL, LTPD, AOQL concepts-standard sampling plans for AQL and LTPD- uses of standard sampling plans.
UNIT-IV
Life Testing - Reliability: Life testing - Objective - failure data analysis, Mean failure rate, mean time to failure, mean time between failure, hazard rate, system reliability, series, parallel and mixed configuration - simple problems. Maintainability and availability- simple problems. Acceptance sampling based on reliability test - O.C Curves.
35 36
UNIT-V
Quality and Reliability: Reliability improvements -techniques- use of Pareto analysis - design for reliability - redundancy unit and standby redundancy - Optimization in reliability - Product design - Product analysis - Product development - Product life cycles.
Note : Use of approved statistical table permitted in the examination.
Suggested Reading:
- 1.Grant, Eugene .V, Statistical Quality Control, McGraw-Hill, 1996
- 2.L.$.Srmah, Reliabi!ity Engineering, Affiliated East west press, 1991
- 3.R.C.Gupta, Statistical Quality control, Khanna Publishers, 1997
- 4.Besterfield D.H., Quality Control, Prentice Hall, 1993.
- 5.Sharma S.C., Inspection Quality Control and Reliability, Khanna Publishers, 1998.
- 6.Connor, P.D.T.O., Practical Reliability Engineering, John Wiley, 1993.