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[{"id":597336,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:11","updated_at":"2018-10-21 03:14:11","questionName":"Tanto la \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026... como el resto de operadores similares a ella: manivela, pedal, cig\u00fce\u00f1al... derivan de la rueda y se comportan como una palanca.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597328,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:10","updated_at":"2018-10-21 03:14:10","questionName":"Seg\u00fan la tecnolog\u00eda a la que pertenecen son operadores: \u2026\u2026\u2026\u2026.\u2026\u2026.. (cerillas, teas, piezoel\u00e9ctrico...)","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597329,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:10","updated_at":"2018-10-21 03:14:10","questionName":"Para construir un \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026... el\u00e9ctrico elemental necesitamos interconectar, como m\u00ednimo, los operadores siguientes: pila el\u00e9ctrica, cable, interruptor y l\u00e1mpara.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597331,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:11","updated_at":"2018-10-21 03:14:11","questionName":"Las bielas empleadas en aplicaciones industriales suelen fabricarse en \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. y la forma se adaptar\u00e1 a las caracter\u00edsticas de funcionamiento. ","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597335,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:11","updated_at":"2018-10-21 03:14:11","questionName":"En 1906 se patenta la cremallera formada por dientes que se engarzan entre s\u00ed por efecto de dos planos inclinados que los presionan. Una \u2026\u2026\u2026\u2026\u2026... introducida entre ellos permite separarlos. ","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597330,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:11","updated_at":"2018-10-21 03:14:11","questionName":"Permite la uni\u00f3n de dos operadores transformando el movimiento rotativo de uno (manivela, exc\u00e9ntrica , cig\u00fce\u00f1al ...) en el lineal alternativo del otro (\u00e9mbolo ...), o viceversa. ","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597332,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:11","updated_at":"2018-10-21 03:14:11","questionName":"El \u2026\u2026\u2026\u2026\u2026\u2026.. est\u00e1 alineado con el eje y permite guiar el giro al unirlo a soportes adecuados.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597338,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:11","updated_at":"2018-10-21 03:14:11","questionName":"Conceptualmente deriva de la rueda y del plano inclinado. La \u2026\u2026\u2026\u2026\u2026. va solidaria con un eje (\u00e1rbol) que le transmite el movimiento giratorio que necesita.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597334,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:11","updated_at":"2018-10-21 03:14:11","questionName":"Su forma de actuar es muy simple: transforma una fuerza aplicada en direcci\u00f3n al \u00e1ngulo agudo, en dos fuerzas perpendiculares a los planos que forman la arista afilada.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597340,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:11","updated_at":"2018-10-21 03:14:11","questionName":"La \u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026.. es el operador manual m\u00e1s empleado para disminuir la fuerza necesaria para imprimir un movimiento rotativo a una eje (cuando se mueve empleando los pies recibe el nombre de pedal).","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597337,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:11","updated_at":"2018-10-21 03:14:11","questionName":"Con la ayuda de una biela, transformar en lineal alternativo el movimiento giratorio de un eje.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597341,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:11","updated_at":"2018-10-21 03:14:11","questionName":"En el 3200 a. de C. ya se empleaa en forma de lanza en los carros (\u2026\u2026\u2026\u2026\u2026\u2026... de 2\u00ba grado) ","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597342,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:11","updated_at":"2018-10-21 03:14:11","questionName":"Por el 1550 a. de C. empez\u00f3 a emplearse en Egipto y Mesopotamia en forma de cigo\u00f1al (Shadoof) para la extracci\u00f3n del agua de los r\u00edos, extendi\u00e9ndose r\u00e1pidamente por todas las culturas fluviales","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597333,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:11","updated_at":"2018-10-21 03:14:11","questionName":"\u2026\u2026\u2026\u2026\u2026\u2026.. Estos pueden ser rectos o curvados y estar dispuestos en posici\u00f3n transversal u oblicua.","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null},{"id":597339,"quiz_id":"29257","answer_id":null,"answerType_id":"0","created_at":"2018-10-21 03:14:11","updated_at":"2018-10-21 03:14:11","questionName":"Su principal utilidad en la automatizaci\u00f3n de m\u00e1quinas (programadores de lavadora, control de m\u00e1quinas de vapor, apertura y cierre de las v\u00e1lvulas de los motores de explosi\u00f3n...).","questionTimeSeconds":"40","questionTimeMinutes":"0","questionImagePath":null,"position":null,"explanation":null,"question_score_id":null,"lang":null,"questionAudioPath":null}]