Question: QUESTION 2 [25 Marks Dayang Cast Sdn. Bhd. is a comprehensive metal casting company service provider. All steps of producing casting products are performed under

QUESTION 2 [25 Marks Dayang Cast Sdn. Bhd. is aQUESTION 2 [25 Marks Dayang Cast Sdn. Bhd. is a

QUESTION 2 [25 Marks Dayang Cast Sdn. Bhd. is a comprehensive metal casting company service provider. All steps of producing casting products are performed under efficient supervision and contrd, thus ensuring quality assurance. The company is planning to penetrate replacement parts businesses in oil and gas productions. These effort will be followed by producing castings for tool and die, defense, marine and medical instrument markets a) The layouts of the production line in Dayang Cast Sdn. Bhd. is shown in Figure 1. Discuss the advantages and disadvantages of the layout. (4 Marks) In Workers Out 10 9 Figure 1: Production Line Layout b) Dayang Cast Sdn. Bhd, is setting up an assembly line to produce 192 units per 8- hour shift. Table 2 identifies the work elements, times, and predecessors 1) Determine the desired cycle time (in seconds). (2 Marks) ii) What is the theoretical minimum number of stations? (2 Marks) iii) Use trial and error to work out a solution, and show your solution on a precedence diagram (6 Marks) CONFIDENTIAL BMM/BMA/202111BMM3633 Work Element Time (sec) Predecessor(s) A 40 None B 80 A 30 DEF D 25 B E 20 B F 15 B G 120 H 145 G 1 130 H 115 CI Table 2: Data for Production Line c) The two steps in preparing metal die are casting processes and precision machining. Personal fatigue and delay allowances are set at 15%. The casting machine operator is rated at 110% and the precision machinist is rated at 80%, Observed times per batch are given below in Table 3. Determine the standard time for the task. Dise uss the result. (5 Marks) Observed Time in Minutes Task 1 2 3 4 Casting Processes 120 130 110 120 Precision Machining SS 65 SS 65 Table 3: Observed Times Per Batch d) Discuss three (3) waste or "MUDA" that possibly can happen in Dayang Cast Sdn. Bhd. QUESTION 2 [25 Marks Dayang Cast Sdn. Bhd. is a comprehensive metal casting company service provider. All steps of producing casting products are performed under efficient supervision and contrd, thus ensuring quality assurance. The company is planning to penetrate replacement parts businesses in oil and gas productions. These effort will be followed by producing castings for tool and die, defense, marine and medical instrument markets a) The layouts of the production line in Dayang Cast Sdn. Bhd. is shown in Figure 1. Discuss the advantages and disadvantages of the layout. (4 Marks) In Workers Out 10 9 Figure 1: Production Line Layout b) Dayang Cast Sdn. Bhd, is setting up an assembly line to produce 192 units per 8- hour shift. Table 2 identifies the work elements, times, and predecessors 1) Determine the desired cycle time (in seconds). (2 Marks) ii) What is the theoretical minimum number of stations? (2 Marks) iii) Use trial and error to work out a solution, and show your solution on a precedence diagram (6 Marks) CONFIDENTIAL BMM/BMA/202111BMM3633 Work Element Time (sec) Predecessor(s) A 40 None B 80 A 30 DEF D 25 B E 20 B F 15 B G 120 H 145 G 1 130 H 115 CI Table 2: Data for Production Line c) The two steps in preparing metal die are casting processes and precision machining. Personal fatigue and delay allowances are set at 15%. The casting machine operator is rated at 110% and the precision machinist is rated at 80%, Observed times per batch are given below in Table 3. Determine the standard time for the task. Dise uss the result. (5 Marks) Observed Time in Minutes Task 1 2 3 4 Casting Processes 120 130 110 120 Precision Machining SS 65 SS 65 Table 3: Observed Times Per Batch d) Discuss three (3) waste or "MUDA" that possibly can happen in Dayang Cast Sdn. Bhd

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