Assignment 2.pdf

# Assignment 2.pdf - Assignment#2 The Failure Distribution 1...

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Assignment#2 : The Failure Distribution 1. Consider the following reliability function, where t is in hours: ( ) 0 t t t R + = 1 001 . 0 1 (a) Find the reliability after 100 operation hours; after 1000 operating hours. (b) Derive the hazard rate function. Is it an increasing or a decreasing failure rate? 2. The PDF for the time to failure in years of the drive-train on a Regional Transit Authority bus is given by ( ) yr 10 t 0 t t f = 02 . 0 2 . 0 (a) Show that the hazard rate function is increasing, indicating continuous wearout over time. (b) Find the MTTF. (c) Find the median time to failure. (d) Find the mode of the failure distribution. 3. The reliability of a turbine blade can be represented by the following: ( ) 0 t t 0 t t t R Ο Ο
• Three '17
• Bouanar Jack

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