engineering recuitment BHEL Engineer Trainee Mock Test 2025 Construction Materials and Management Project Planning
In Quality Control, Reliability, for sampling of units, expressed as a percentage in the form of a Reliability number as
1
100-\(\rm \left[ {\frac{{no.\ of\ {\rm{ }}defactive{\rm{ }}\ units}}{{no.\ of\ {\rm{ }}units\ {\rm{ }}tested}} \times 100}\right]\)
2
100-\(\rm \left[ {\frac{{no.\ of\ {\rm{ }}units\ {\rm{ }}tested}}{{no.\ of\ {\rm{ }}defective\ {\rm{ }}units}} \times 100}\right]\)
3
100-\(\rm \left[ {\frac{{no\ {\rm{ }}of\ {\rm{ }}units\ {\rm{ }}tested}}{{no\ {\rm{ }}of\ {\rm{ }}possible\ {\rm{ }}units}} \times standard\ {\rm{ }}deviation}\right]\)
4
100-[no, of possible defective units]