ISRO Electronics & Communication (ECE) 2008 - Question 10

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Topic: Reliability Engineering

Which of the following relation is valid? Where MTBF = Mean Time Between Failure, MTTF = Mean Time To Failure, MTTR = Mean Time To Repair

  • A. $MTBF=MTTF+MTTR$
  • B. $MTR+MTTF+MTBF=1$
  • C. $\frac{1}{MTTR}+\frac{1}{MTTF}=\frac{1}{MTBF}$
  • D. MTBF. MTTF. $MTTR=1$

Answer: A. $MTBF=MTTF+MTTR$

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