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# FACULTY OF BUSINESS AND LAW QUALITY AND OPERATIONS MANAGEMENT (BOM 2064) TRIMESTER 2:

What are the special requirements of supply chain systems in global environments

TPK - BOM 2064 (Quality and Operations Management) Tri 2:2012/2013 1 FACULTY OF BUSINESS AND LAW QUALITY AND OPERATIONS MANAGEMENT (BOM 2064) TRIMESTER 2:2012/2013 TUTORIAL TABLE OF CONTENTS No Tutorial Chapter Question Page 1 Relevant Equations/ Formulae - 1 – 2 2 1 Chapter 1 1 – 4 3 3 2 Chapter 2 Example 5 – 7 8 – 9 3 4 5 4 3 Chapter 3 Example 1 – 2 3 – 4 6 6 7 5 4 Chapter 4 5 – 9 8 6 5 Chapter 9 Example 1 2 – 5 9 9 10 7 6 Chapter 10 Example 6 – 7 8 – 9 11 12 13 8 7 Chapter 11 1 – 3 14 9 10 8 9 Chapter 12 Chapter 15 Example 4 5 – 7 Example 15 14 16 17 8 – 10 11 – 12 17 18 RELEVANT EQUATIONS/FORMULAE 1) CL = X UCL, LCL (X – bar) = R A X 2 Table for X – bar & R Charts No of Observation A2 D3 D4 In sub group n 2 1.88 0 3.27 3 1.02 0 2.57 4 0.73 0 2.28 5 0.58 0 2.11 6 0.48 0 2 UCL ( R) = R D 4 LCL ( R) = R D 3
TPK - BOM 2064 (Quality and Operations Management) Tri 2:2012/2013 2 2) UCL с = c + 3√ c LCL с = c – 3√ c 3) p = Total No of Defective from All Samples/ (No of Samples X Sample Size) Sp = √ [ p (1 – p )/n] CL = p LCL = p – 3 Sp UCL = p + 3 Sp 4) Capacity Utilization = Capacity Used / Best Operating Level 5)       2 2 2 2 Y Y n X X n Y X XY n r a X b Y   2 2   x x n y x xy n b 6) Exponential smoothing Forecast for the month t : F t = F t – 1 + ( A t – 1 - F t – 1 ) 7) Inventory Management: EOQ = H DS Q 2 * S Q D H Q TC 2 EPQ = u p p H DS Q 2 0 ) ( max u p P Q I TC = S Q D H 2 I max SS = z ( d LT ROP d ( LT ) z ( d LT 8) Lean Operations: C X DT N ) 1 (
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