engineering recuitment OPSC Assistant Industries Officer Mock Test 2025 Industrial Engineering Quality and Reliability
Consider the following statement about 'Bathtub' curve
1. Wear out phase has constant level of failure
2. Useful life phase has constant level of failure
3. Run-in phase has high level of failure.
Which of the above statement is/are true?
1
1 and 2 only
2
1, 2 and 3
3
3 only
4
2 and 3 only