Question

why does cost increase exponentially as we attempt to increase system reliability (ie: to improve reliability by 1% from 50% to 51% will cost more than 99% to 100%)?

Answer 1

Ans.

Reliability is the probability that the product , service or part will function as expected. No product or service is hundred percent certain to function.
The disappointment of one part doesn't generally cause all out disappointment of the equipment nor does the disappointment of one hardware consistently cause all out disappointment of the undertaking or strategic. Accomplishing all out dependability is exorbitant thus the clients in the businesses frequently need to bargain and focus on the low possibility of disappointment of the hardware. Proportional accentuation is put on the early return back of the equipment after fix of any breakdown.
At the plan stage different methodologies are utilized to upgrade the unwavering quality of the equipment. The most pervasive is utilization of over plan. Utilizing thicker material, more grounded, better materials for light reason hardware. This methodology is exceptionally wasteful from the cost point of view, as it builds the expense of hardware. Different methodologies being utilized are basic and normalized segments/parts. Lesser the quantity of segments, higher is the unwavering quality. Normalized, demonstrated parts have higher unwavering quality than customized exceptional segments.