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Pregunta diaria de seguridad e incendios (27.12)

2016-12-27View Original

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Pregunta de opción única 1: Todas las sustancias que, al combinarse con materiales combustibles, pueden provocar y mantener la combustión, se denominan ( ). A. Sustancias que facilitan la combustión ; B. Materiales combustibles ; C. Productos de la combustión ; D. Óxidos. 2. Se corta una fase de la alimentación del motor, ya sea por un fusible o por un cable dañado, lo que provoca ( ). A. Cortocircuito  B. Funcionamiento con fase faltante  C. Fuga de corriente  D. Apagón  Respuesta correcta: A B

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