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0 [{"id":412365,"quiz_id":"19368","answer_id":null,"answerType_id":"0","created_at":"2018-03-21 20:16:59","updated_at":"2018-03-21 20:16:59","questionName":"In a converging-diverging nozzle,","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":412367,"quiz_id":"19368","answer_id":null,"answerType_id":"0","created_at":"2018-03-21 20:49:56","updated_at":"2018-03-21 20:49:56","questionName":"If you were to remove the rust on a pump (but not change anything else), which of the following statements would be TRUE?","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":"The efficiency of the pump increases. Since the power is unchanged, improving the efficiency must correspond to the energy added to the fluid increasing, meaning the momentum of the water must increase","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":412364,"quiz_id":"19368","answer_id":null,"answerType_id":"0","created_at":"2018-03-21 20:13:01","updated_at":"2018-03-21 20:13:01","questionName":"An isentropic process is defined as:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":379426,"quiz_id":"19368","answer_id":null,"answerType_id":"0","created_at":"2018-02-14 17:43:49","updated_at":"2018-02-14 17:43:49","questionName":"If dp\/dx is the pressure gradient in the direction of the flow, separation is more likely when...","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":379421,"quiz_id":"19368","answer_id":null,"answerType_id":"0","created_at":"2018-02-14 17:41:18","updated_at":"2018-02-14 17:41:18","questionName":"The lift on a body immersed in a fluid is...","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":413018,"quiz_id":"19368","answer_id":null,"answerType_id":"0","created_at":"2018-03-22 16:15:02","updated_at":"2018-03-22 16:15:02","questionName":"A shock wave...","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":379427,"quiz_id":"19368","answer_id":null,"answerType_id":"0","created_at":"2018-02-14 17:45:10","updated_at":"2018-02-14 17:45:10","questionName":"Pressure drag results from...","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":null,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":412368,"quiz_id":"19368","answer_id":null,"answerType_id":"0","created_at":"2018-03-21 20:52:21","updated_at":"2018-03-21 20:52:21","questionName":"When a liquid flows under pressure through a pipe, the head loss due to surface friction with the pipe is h=f(L\/D)(v^2\/2g). 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In a converging-diverging nozzle,

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