Reliability Engineering MCQs

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1. Which of the following best defines reliability engineering?





2. What is the primary goal of reliability engineering?





3. Which statistical tool is commonly used in reliability engineering to analyze failure data and predict future failures?





4. What does MTTF stand for in reliability engineering?





5. Which of the following is a measure of system reliability over a specified time period?





6. Which reliability metric indicates the ability of a system to perform its required functions under stated conditions for a specified period of time?





7. What is the purpose of a Failure Modes and Effects Analysis (FMEA) in reliability engineering?





8. Which reliability tool assesses the impact of component failures on overall system performance?





9. Which term describes the probability that a system will perform its intended function without failure for a specified time period?





10. Which of the following is NOT a phase in the reliability engineering process?





11. Which approach focuses on analyzing the consequences of failures rather than preventing them?





12. Which technique helps in estimating the reliability of a system by examining its components and failure modes?





13. Which term describes the ability of a system to be restored to operational status within a specified time after a failure occurs?





14. Which reliability analysis tool is used to quantify the effect of uncertainty in component reliability on system reliability?





15. What is the primary objective of a reliability test during product development?





16. Which type of maintenance aims to prevent failures before they occur by regularly replacing components?





17. Which reliability parameter indicates the average time taken to repair a failed system or component?





18. Which reliability technique evaluates the effect of environmental factors on the performance and longevity of a system?





19. Which reliability tool helps in identifying the most critical failure modes based on their occurrence frequency and severity?





20. What does the acronym RPN stand for in FMEA?





21. Which reliability method involves subjecting components to stress levels higher than expected in normal operation to accelerate failures?





22. What is the primary focus of reliability-centered maintenance (RCM)?






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