OPERADORES 2B

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0 [{"id":597217,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"Lo que identifica a un operador es su capacidad para realizar una \u2026\u2026\u2026\u2026\u2026... dentro de un conjunto.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597230,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"Desde el punto de vista t\u00e9cnico, la \u2026\u2026\u2026\u2026\u2026... es una barra r\u00edgida que oscila sobre un punto de apoyo (fulcro) debido a la acci\u00f3n de dos fuerzas contrapuestas (potencia y resistencia).","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597219,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"El \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026., cuya funci\u00f3n tecnol\u00f3gica es controlar el paso de la corriente el\u00e9ctrica de forma f\u00e1cil y segura.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597223,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"Tiene gran aplicaci\u00f3n en apertura y cierre de puertas autom\u00e1ticas de corredera, desplazamiento de \u00f3rganos de algunas m\u00e1quinas herramientas (taladros, tornos, fresadoras...), cerraduras, microscopios, gatos de coche... ","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597221,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"La \u2026\u2026\u2026\u2026\u2026.. se emplea en multitud de m\u00e1quinas que precisan de la conversi\u00f3n entre movimiento giratorio continuo y lineal alternativo.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597222,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"El \u2026\u2026\u2026. es la pieza de uni\u00f3n entre el cuello y la mu\u00f1equilla. Su longitud determina la carrera de la biela.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597225,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"Esta utilidad es la empleada para abrir o separar cuerpos: obtener tablones de los \u00e1rboles, partir piedras en canteras, cerrar o abrir los dientes de una cremallera... ","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597224,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"En el 3000 a.C. ya se empleaba en las canteras egipcias para la separaci\u00f3n de grandes bloques de piedra y para extraer tablas de los \u00e1rboles.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597220,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"La cabeza de \u2026\u2026\u2026\u2026\u2026\u2026.. es el extremo que realiza el movimiento rotativo. Est\u00e1 unida mediante una articulaci\u00f3n a un operador exc\u00e9ntrico (exc\u00e9ntrica, manivela, cig\u00fce\u00f1al ...) dotado de movimiento giratorio.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597229,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"En ella se pueden distinguir tres partes principales: Eje, Brazo y Empu\u00f1adura. El eje determina el centro de giro de la manivela. El brazo determina la distancia entre eje y empu\u00f1adura. Es similar al brazo de una palanca.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597227,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"Es un operador dise\u00f1ado para la transmisi\u00f3n de movimiento emplea un perfil de rosca cuadrado o trapezoidal para reducir al m\u00e1ximo el rozamiento.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597218,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"Seg\u00fan la tecnolog\u00eda a la que pertenecen son operadores: \u2026\u2026\u2026\u2026\u2026\u2026... (barra, cartela, remache...)","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597226,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"En la \u2026\u2026\u2026\u2026\u2026\u2026\u2026.: El eje de giro, que est\u00e1 situado en el punto central del disco (o rueda) y es el que gu\u00eda su movimiento giratorio.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597228,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"Como .......................... pueden emplearse \u00e9mbolos (para obtener movimientos de vaiv\u00e9n) o palancas (para obtener movimientos angulares) que en todo momento han de permanecer en contacto con el contorno de la leva.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597231,"quiz_id":"29251","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 02:49:49","updated_at":"2018-10-21 02:49:49","questionName":"Hacia el 2650 a. de C. ya se empleaba de forma habitual en Egipto y Mesopotamia la balanza de brazos m\u00f3viles en cruz para la medici\u00f3n de masas (\u2026\u2026\u2026\u2026\u2026\u2026... de 1er grado).","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null}]
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