Question: Question 4 A machine has three critical component parts that interact. The three parts have component reliabilities of 0.96, 0.90, and 0.98. Compute the System

Question 4

  1. A machine has three critical component parts that interact. The three parts have component reliabilities of 0.96, 0.90, and 0.98.
  1. Compute the System reliability of the system in series.

(1 marks)

  1. If the machine could be redesigned to allow redundancy for the part that presently has a reliability of 0.90, what would be the new system reliability of the machine?

(2 marks)

  1. What is Overall Equipment Effectiveness (OEE)? Determine the OEE for the 1st shift in production. The data obtained from the production are as shown in Table-1

Table-1 Data recorded for the 1st shift in Production

Item

Data

Shift Length

8 hours

Breaks

(2) 15 minute and (1) 30 minute

Down Time

47 minutes

Ideal Cycle Time

1.0 seconds

Total Count

19,271 widgets

Reject Count

423 widgets

(12 marks)

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