Q. Reliability is the probability of a system or service to perform its intended function satisfactorily over a specific period of time under specific conditions.

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Q. The reliability of the entire system is called ______

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Q. System reliability for components kept in series _______ as the number of components increases.

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Q. System reliability for components kept in parallel ______ as the number of components increases.

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Q. In series configuration of five components, the entire system will fail if ______

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Q. In parallel configuration of five components, the entire system will fail if _____

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Q. The life-test sample plans that are terminated when a pre-assigned number of failures occur in the sample is _____

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Q. What does the graph of ‘bathtub curve’ represent?

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Q. 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?

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Q. A production line is using five robots for its daily operations. If each robot has a reliability of 0.95, what is the total system reliability?

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Q. If the system reliability of five robots in a production line is 0.95, what is the individual reliability?

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Q. A system consists of four components in parallel 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?

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Q. For a 2-out-of-3 system, each component has reliability of 0.9. What is the reliability of the system?

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Q. For a 3-out-of-4 system, each component has reliability of 0.97. What is the reliability of the system?

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Q. If the failure rate of the system is 0.000128 units, what is the mean time to fail?

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Q. If the failure rate is 6.67 x 10⁻⁶ failures/hr, calculate reliability for a period of 1000 hours.

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Q. If the time to fail for 3 components are 807, 820, and 810, calculate mean time to failure.

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Q. If the reliability is 0.3012 and the period of 1000 hours, calculate failure rate per hour.

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Q. IIoT refers to the Industrial Internet of Things.

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Q. Which of the following is not a benefit of IIoT?

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