Quiz on Fans
{“questions”:{“33xau”:{“id”:”33xau”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which of the following is the most common type of fan used for cooling electronic devices?\r\n”,”desc”:””,”hint”:””,”answers”:{“dy4f7”:{“id”:”dy4f7″,”image”:””,”imageId”:””,”title”:”A) Axial fan\r\n”,”isCorrect”:”1″},”9mp62″:{“id”:”9mp62″,”image”:””,”imageId”:””,”title”:”B) Centrifugal fan\r\n”},”tofy3″:{“id”:”tofy3″,”image”:””,”imageId”:””,”title”:”C) Cross-flow fan\r\n\r\n”},”ochdj”:{“id”:”ochdj”,”image”:””,”imageId”:””,”title”:”D) Propeller fan”}}},”43t9r”:{“id”:”43t9r”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the primary function of a fan in a ventilation system?\r\n\r\n”,”desc”:””,”hint”:””,”answers”:{“s3ry6”:{“id”:”s3ry6″,”image”:””,”imageId”:””,”title”:”A) To generate heat\r\n”},”jzffi”:{“id”:”jzffi”,”image”:””,”imageId”:””,”title”:”B) To circulate cool air\r\n”,”isCorrect”:”1″},”ks5vf”:{“id”:”ks5vf”,”image”:””,”imageId”:””,”title”:”C) To move warm air out\r\n”},”lf0cn”:{“id”:”lf0cn”,”image”:””,”imageId”:””,”title”:”D) To filter air”}}},”7acdj”:{“id”:”7acdj”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”In a typical.