Quality & Reliability Engineering (QRE) important questionsMost repeated in SPPU papers
These 16 questions appeared in more than one SPPU Quality & Reliability Engineering paper we have: 9 papers, from Feb 2023 to Nov 2025. The most-asked come first. Each one links to the papers it was asked in.
Repeated questions
Endsem questions (15)
- 4×asked
- 3×asked
i) Explain factors affecting on Maintainability. ii) From the following data collected at a plant: Mean time before failure: 35 Hrs. Mean time to repair: 10 Hrs. Administrative and logistic time: 50% of MTTR Calculate operational availability and inherent availability of the plant.
- 3×asked
- 2×asked
- 2×asked
A system have three elements 1, 2 and 3 connected in series with their failure rates of 1 = 0.006, 2 = 0.004, 3 = 0.001 per hour respectively Assuming mission time of 20 hours and system reliability of 0.92, find the reliability of each subsystem to achieve the desired reliability goal.
- 2×asked
- 2×asked
- 2×asked
- 2×asked
- 2×asked
The three main units connected in series together make an assembly of machine which requires reliability of 0.65. The individual reliabilities of units are 0.70, 0.80 & 0.90 respectively. Explain and find how the reliability of machine should be apportioned among these units with minimum effort technique. 2
- 2×asked
- 2×asked
- 2×asked
- 2×asked
- 2×asked
Insem questions (1)
- 2×asked
Questions count as repeated when their wording matches closely across papers. Numericals that depend on a figure are left out, since the figure changes from paper to paper.