Question

Three Sub- assemblies are connected in series to form a main system. Each sub-assembly is Known...

Three Sub- assemblies are connected in series to form a main system. Each sub-assembly is Known to exhibit a constant failure rate of 0.003, 0.001 and 0.005 respectively. Compute

-System MTTF

-System Reliability after 1000 hrs of operation.

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Answer #1

(a)

Given:

So,

System MTTF is given by:

So,

Answer is:

111.1111

(b)

For t = 1000, substituting values, we get:

So,

Answer is:

0.0001234

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