A random sample of 100 bars of aluminum shows a tensile strength mean of 30,000 psi and a standard deviation of 3,000 psi. On the basis of this sample, what is the 95 percent confidence interval for the average tensile strength?
Response:
Ideally for a FRACAS to be effective, how many failures should be allowed to pass before corrective action is to be undertaken?
Response:
Maintainability of equipment may be measured in terms of:
I. Maintenance dollar cost.
II. Maintenance man-hours.
III. Repair time
Response:
A consideration for proper part selection is:
I. Parts application and specifications.
II. Selection, control and integration.
III. Derating.
Response:
