11.2 Determine an upper bound for each of the following aircraft subsystem MTTRS if a system availability goal of 0.95 is desired. Assume that repair restores the subsystem to as good as new condition and each subsystem has the same availability. Subsystem Time between failures Parameters Propulsion Weibull 0=1000; B= 1.7 Avionics Exponential 2= 0.003 Structures Weibull 0= 2000; B= 2.1 Electrical Weibull 0= 870; B= 1.8 Environmental Exponential 2=0,001

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Chapter2: Introduction To Spreadsheet Modeling
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11.2 Determine an upper bound for each of the following aircraft subsystem MTTRS if a
system availability goal of 0.95 is desired. Assume that repair restores the subsystem
to as good as new condition and each subsystem has the same availability.
Subsystem
Time between failures
Parameters
Propulsion
Weibull
0= 1000; B= 1.7
Avionics
Exponential
A= 0.003
Structures
Weibull
0= 2000; B= 2.1
Electrical
Weibull
0= 870; B=1.8
Environmental
Exponential
2= 0.001
Transcribed Image Text:11.2 Determine an upper bound for each of the following aircraft subsystem MTTRS if a system availability goal of 0.95 is desired. Assume that repair restores the subsystem to as good as new condition and each subsystem has the same availability. Subsystem Time between failures Parameters Propulsion Weibull 0= 1000; B= 1.7 Avionics Exponential A= 0.003 Structures Weibull 0= 2000; B= 2.1 Electrical Weibull 0= 870; B=1.8 Environmental Exponential 2= 0.001
What is the MTTR for structures in Problem 11.2?
O 11.6
O 19.0
20.3
18.2
Transcribed Image Text:What is the MTTR for structures in Problem 11.2? O 11.6 O 19.0 20.3 18.2
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