What is meant by a fail safe?
1 : incorporating some feature for automatically counteracting the effect of an anticipated possible source of failure. 2 : being or relating to a safeguard that prevents continuing on a bombing mission according to a preconceived plan.
What is the definition of a failure in a fail safe design?
In engineering, a fail-safe is a design feature or practice that in the event of a specific type of failure, inherently responds in a way that will cause minimal or no harm to other equipment, to the environment or to people.
What is fail safe and safe life?
In the safe life method, the S-N curve is used to design a component in such a way that it will not fail within a pre-determined number of cycles. This method differs from safe life in that fail safe assumes that a component will fail, and therefore the component is designed to fail in a safe manner.
What is fail safe in aviation?
The FAA’s (2005) accepted definition is as follows: ‘fail safe is the attribute of the structure that permits it to retain its required residual strength for a period of unrepaired use after the failure or partial failure of a principal structural element’.
What is a safe to fail experiment?
Safe to fail experiments are small scale experiments that approach an issue from a variety of angles in small and safe to fail ways to allow emerging possibilities to become observable. They are not just random stabs in the dark. Rather, safe to fail experiments must have a plausible rationale.
What is the difference between fail safe and fail secure?
Understanding the basics: Fail safe products are unlocked when power is removed. Power is applied to lock the door. Fail secure products are locked when power is removed. Power is applied to unlock the door.
What is fail safe state of a system?
A fail safe system is one which, due to the characteristics of its equipment and components and the way in which they are integrated, is guaranteed that, in the event of any fault appearing, the system will always go to a safe status, normally affecting availability but never, and in no case, affecting safety.
What happened at the end of Fail Safe?
In the end he blows up New York and kills himself. Then there’s the “hardheaded” professor who says that our chances of surviving atomic war are pretty good but they would be even better if we attacked first.
What is the difference between save and safe?
Save means to prevent harm or difficulty when used as a verb. Safe means not in danger; free from harm’s reach when used as an adjective. A good way to remember the difference is that save is a verb—a doing word.
What is an example of a fail safe device?
Fail-safe systems can range from mechanical and physical to electrical or electronic depending on the system or device. For example, elevators have several sets of emergency brakes that come into effect in the event of a breakdown or power failure. This would be an example of a mechanical fail-safe system.
Can a Maglock be fail secure?
Maglocks require constant power to stay locked, making them fail-safe. That could lead to an unsecured opening in the event of a power outage. They should be used on doors where entry security is a concern since they will remain locked during a power outage.
What does it mean to have a fail safe plan?
a fail-safe plan If something is fail-safe, it has been designed so that if one part of it does not work , the whole thing does not become dangerous : a fail-safe device
Which is an example of a fail safe?
‘The fail-safes on the program alert us when something gets neglected.’ ‘As an example, if you order a server from the company, when the order is submitted fail-safes within the system will alert us if a mistake has been made and won’t allow the server to be configured incorrectly.’
What’s the difference between a fail safe and a fail secure lock?
Fail safe locks are unlocked when the power goes out–i.e., they require power to lock the door. Fail secure locks are locked when the power goes out–i.e., they require power to unlock the door. The terms “safe” and “secure” refer to the status of the door on its secure side (a.k.a. the outside or key side).
What do you mean by ” fail safe ” in Wikipedia?
Fail-safe. From Wikipedia, the free encyclopedia. Jump to navigation Jump to search. For other uses, see Fail-safe (disambiguation). In engineering, a fail-safe is a design feature or practice that in the event of a specific type of failure, inherently responds in a way that will cause minimal or no harm to other equipment,