useful application

Time of useful consciousness (TUC), also effective performance time (EPT), is defined as the amount of time an individual is able to function effectively (e.g. perform flying duties) in an environment of inadequate oxygen supply. It is the period of time from the interruption of the oxygen supply or exposure to an oxygen-poor environment to the time when useful function is lost, and the individual is no longer capable of taking proper corrective and protective action. It is not the time to total unconsciousness. At the higher altitudes, the TUC becomes very short; considering this danger, the emphasis is on prevention rather than cure.
For orbital altitudes and above, that is, direct exposure to space, 6–9 seconds of consciousness is expected.

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  1. M

    Closed Helpful apps for android phone (for newbies)

    Hi pAps! paki dikit nalang sa baba mga best and useful apps para sa Android phone. Anything will be appreciated.
  2. G

    Closed For lumia window phone 8

    is there a unlited free internet in tm using wp8
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