Downloaded from https://www.everyspec.com AMC MO 11i Examwe MO.- 21. One type of component in Example No. 20u is operated in a subsystem test for 1 hr without failria. The test conditions are the same as in Example No. 20, and the component operates all the time the duboystem operates. Reevaluate the uquivalerat failure rate for the mission. 1. &ate the old cumulative text-time 1. r - 1, T4,W 10 hr. and fallures for the "operating" condition. 2. State the present !ncrementu. 2. Ar 0 0, AT u 1. A. Calculate the now, r, T and •'. 3. re"1 + 0 - 1, T,.w,- (10 + 1) hr -11 hr ).0 a 1/11 per hr - 0.091 per hr. 4. Estimate the ,ooeffioient of varia- 4. Since rww - o nM it the same as in teon for &.
See Example No. 20, Example No. 20. step 8. 3. Calculate the equivalent mission 5. Am x hours - u. 091 x 0. 15 failure rate. See Example No. + 0. 091 X 0. 05 X 0.85 - 0.018. 20, step 5. . I .... .. lli.,.............