Modes of Failure



The different modes of failure are:
a) Catastrophic failures
This type of failure causes a normally operating system to suddenly become inoperative system. This type of failure occurs at random these failures are significant because they can result in injury, loss of life, or major damage.

b) Creeping failures
This type of failure occurs gradually because of change of some parameter with time. These failures can be detected and weeded out by proper inspection and maintenance. Preventive maintenance techniques are suitable for avoiding this kind of failure.

c) Independent failures
The failure which does not occur as a result of the effects generated by other failures is called independent failure

d) Secondary failures
A secondary failure occurs as a result of some primary failure. For example the spokes in a motor cycle traveling at a high speed, are broken as a result of Tyre burst.


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