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Observe a figura a seguir.
Ao analisarmos a teoria termoelétrica, conforme figura acima, podemos afirmar gue em um circuito
A fire occurred in the generator room _______ the vessel was at sea, depriving the vessel of all ______ emergency auxiliary power supplies. The crew fought the fire by using the vessel’s fixed Halon installation and dry powder apparatus. _________ less than an hour the fire was extinguished. No injuries were experienced. ____ , due to the fire, the vessel lost her maín propulsion power and had to be towed to port. (Casualty Information/ 1997)
Observe a tabela a seguir.
As válvulas pneumáticas de bloqueio, representadas na tabela
acima representam, respectivamente, num circuito lógico, as
seguintes portas lógicas: