C&A Pottery makes ceramic vases using a process that involves forming, drying, f
ID: 350790 • Letter: C
Question
C&A Pottery makes ceramic vases using a process that involves forming, drying, firing, and glazing. The 5 workers each takes on average 60 minutes to form a vase. The vases will then be loaded into an oven to dry. The oven can hold up to 100 pieces and it takes 5 minutes to load each vase. Once all the vases are loaded into the oven, it takes 24 hours to dry each load. The dried vases are then placed in a kiln that holds up to 100 pieces. It takes 6 minutes to load each vase and the vases will be fired in the kiln for 72 hours. After firing, 3 workers each take an average of 2 hours to glaze each vase. C&A receives an order of 1 vase per hour. What is the smallest batch size to ensure the process is demand-constrained?
O 98
O 80
O 32
O 26
Explanation / Answer
Worker/
machine
Time
Output
Total Time
Time/unit
Production in time
Forming
5
60
5
60
60
10
Drying
100
5
100
1940
19.4
9.6
Firing
100
6
100
4920
49.2
6.367
Glazing
3
120
3
120
120
3
Batch size can be 32
Worker/
machine
Time
Output
Total Time
Time/unit
Production in time
Forming
5
60
5
60
60
10
Drying
100
5
100
1940
19.4
9.6
Firing
100
6
100
4920
49.2
6.367
Glazing
3
120
3
120
120
3
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