If there is no variability in the system (best case), what happens if there is more than the critical WIP in the system? Group of answer choices The throughput is reduced The throughput is increased The cycle time is increased The cycle time is decreased

Hammond Inc. has analyzed the setup time on its computer-controlled lathe. The setup requires changing the type of fixture that holds a part. The average setup time has been 135 minutes, consisting of the following steps: Step Time (in minutes) Turn off machine and remove fixture from lathe 13 Go to tool room with fixture 15 Record replacement of fixture to tool room 18 Return to lathe 20 Clean lathe 17 Return to tool room 20 Record withdrawal of new fixture from tool room 12 Return to lathe 15 Install new fixture and turn on machine 8 Total setup time 138   Why should management be concerned about improving setup time?  What do you recommend to Hammond Inc. for improving setup time?  How much time would be required for a setup, using your suggestion in (b)?

An event when denotes a particular task or activity is frequently shown as a round circle and called ?

The mean repair time of a reproduction machine every time it becomes defective is 5 hours, and is assumed to be available 95% of the time. What is its mean time between failure (MTBF)?