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Author Question: The MTBF distribution of a machine that has passed the phase of early failures exhibits a normal ... (Read 69 times)

big1devin

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on: Dec 3, 2019

Question 1

How is MTBF related to FR(N)?
◦ MTBF is measured in hours, while FR(N) is measured in years.
◦ Both MTBF and FR(N) increase when breakdown maintenance is replaced by preventive maintenance.
◦ MTBF and FR(N) are unrelated concepts.
◦ MTBF is normally distributed, with FR(%) as its mean and FR(N) as its standard deviation.
◦ MTBF is the reciprocal of FR(N).

Question 2

The MTBF distribution of a machine that has passed the phase of early failures exhibits a normal distribution. The smaller the standard deviation of this distribution
◦ the more expensive is preventive maintenance.
◦ the more likely this machine will be maintained by a breakdown maintenance policy.
◦ the more likely this machine is a candidate for preventive maintenance.
◦ the more likely this machine will break down.
◦ the shorter is the time interval between breakdowns.
Operations Management (Canadian Edition) ¦ Heizer, Render, Griffin ¦ 1st Edition
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Marked as best answer by big1devin on Dec 3, 2019

cadimas

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Reply #1 on: Dec 3, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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big1devin

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Reply 2 on: Dec 3, 2019
:D TYSM

hramirez205

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Reply 3 on: Yesterday
Gracias!

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