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Original Tartan tracks left long holes to secure the blocks but most tracks today require blocks to be held by small spikes similar to the ones used in shoes. Block slippage was common enough that it is an allowable loophole in the rules to recall the start of a race without calling a false start against an athlete whose blocks slip. In some ...
The set position differs depending on the start. The use of starting blocks allows the sprinter to perform an enhanced isometric preload; this generates muscular pre-tension which is channeled into the subsequent forward drive, making it more powerful. Body alignment is of key importance in producing the optimal amount of force.
A blocked rotor test is conducted on an induction motor.It is also known as short-circuit test (because it is the mechanical analogy of a transformer short-circuit test), [1] locked rotor test or stalled torque test. [2]
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Toronto during the Northeast blackout of 2003, which required black-starting of generating stations.. A black start is the process of restoring an electric power station, a part of an electric grid or an industrial plant, to operation without relying on the external electric power transmission network to recover from a total or partial shutdown.
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