quiz on hydraulics work
{“questions”:{“u2hr3”:{“id”:”u2hr3″,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”What is the main principle behind hydraulic systems?\r\n”,”desc”:””,”hint”:””,”answers”:{“yincd”:{“id”:”yincd”,”image”:””,”imageId”:””,”title”:”A) Magnetism\r\n”},”ocf89″:{“id”:”ocf89″,”image”:””,”imageId”:””,”title”:”B) Leverage\r\n”},”bssxv”:{“id”:”bssxv”,”image”:””,”imageId”:””,”title”:”C) Fluid pressure\r\n”,”isCorrect”:”1″},”x6yy4″:{“id”:”x6yy4″,”image”:””,”imageId”:””,”title”:”D) Friction”}}},”vmgal”:{“id”:”vmgal”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:”Which of the following is essential for a hydraulic system to work?\r\n”,”desc”:””,”hint”:””,”answers”:{“mjfg4”:{“id”:”mjfg4″,”image”:””,”imageId”:””,”title”:”A) A motor\r\n”},”hkewo”:{“id”:”hkewo”,”image”:””,”imageId”:””,”title”:”B) Water\r\n”},”mv3jp”:{“id”:”mv3jp”,”image”:””,”imageId”:””,”title”:”C) Fluid”,”isCorrect”:”1″},”8md85″:{“id”:”8md85″,”image”:””,”imageId”:””,”title”:”D) Electricity”}}},”v8xkv”:{“id”:”v8xkv”,”mediaType”:”image”,”answerType”:”text”,”imageCredit”:””,”image”:””,”imageId”:””,”video”:””,”imagePlaceholder”:””,”imagePlaceholderId”:””,”title”:” What does the force in a hydraulic system depend on?\r\n”,”desc”:””,”hint”:””,”answers”:{“m2ujy”:{“id”:”m2ujy”,”image”:””,”imageId”:””,”title”:”A) The density of the fluid\r\n”},”rlhfp”:{“id”:”rlhfp”,”image”:””,”imageId”:””,”title”:”B) The volume of the fluid\r\n”},”bqzxe”:{“id”:”bqzxe”,”image”:””,”imageId”:””,”title”:”C) The pressure exerted.