Question: Following information will be required to answer questions 46-50. Breakdowns and defective products manufactured over the last 13 days on a CNC-27 machine are presented

Following information will be required to answer questions 46-50.

Breakdowns and defective products manufactured over the last 13 days on a CNC-27 machine are presented in the following table:

Day

1

2

3

4

5

6

7

8

9

10

11

12

13

Breakdowns (h)

3

5

6

12

1

Defective items

180

300

75

125

100

250

210

0

65

70

120

58

47

The machine's total setup time is 200 minutes, and in those 13 days the machine produced a total of 6000 acceptable products. The company works 24/7. The theoretical cycle time is 2 minutes per part.

46. What is the number of processed parts?

  1. 7600
  2. 6000
  3. 7461
  4. 5000

47. What is the total "breakdown and setup time" expressed in minutes?

  1. 200
  2. 1620
  3. 1700
  4. 1820

48. What is the load time expressed in minutes?

  1. 18720min
  2. 14400min
  3. 10080min
  4. 312min

49. What is the Availability?

  1. 0.903
  2. 0.796
  3. 0.896
  4. 0.816

50. What is the Overall Equipment Efficiency (OEE)?

  1. 60.15%
  2. 64.05%
  3. 89.90%
  4. 95.07%

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