Answer: Option B. -> Decreases Answer: (b).Decreases
Question 15. Reliability is the probability of a system or service to perform its intended function satisfactorily over a specific period of time under specific conditions.
Answer: Option A. -> Failure-terminated Answer: (a).Failure-terminated
Question 20. A system consists of four components in series with two components having reliability of 0.9 and two others having reliability of 0.8 at the end of one year. What is the system reliability at the end of one year?