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0 [{"id":305411,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-23 00:50:42","updated_at":"2018-03-12 21:35:30","questionName":"Boiler carryover occurs as the result of:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":7,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":305409,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-23 00:48:41","updated_at":"2018-03-12 21:35:30","questionName":"The operating pressure of low-pressure hot water heating boilers varies considerably, it is recommended that the differential between the safety relief valve set pressure and the boiler operating pressure is kept to a minimum of _____ or 25% of the relief valve setting, whichever is greater.","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":2,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":305413,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-23 00:51:48","updated_at":"2018-03-12 21:35:30","questionName":"When a steam boiler has to be taken out of service give it a good blowdown to remove as much sediment as possible stop when the drain runs clear. Refill the boiler to the top of the glass maintaining the boiler water temperature above _____ for about one hour to release all the dissolved gases.","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":12,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":305408,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-23 00:47:30","updated_at":"2018-03-12 21:35:30","questionName":"A hot water heating system automatic fill valve will:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":0,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":310787,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-28 12:58:50","updated_at":"2018-03-12 21:35:30","questionName":"The gas burners of hot oil hearers are mounted:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":9,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":310788,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-28 12:59:54","updated_at":"2018-03-12 21:35:30","questionName":"The inner walls and floor are lined with:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":11,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":308739,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-25 00:00:16","updated_at":"2018-03-12 21:35:30","questionName":"The purpose of the steam trap is to discharge water and condensate from steam lines and equipment without:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":8,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":308741,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-25 00:02:21","updated_at":"2018-03-12 21:35:30","questionName":"The air present in steam lines and equipment must also be removed to prevent","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":13,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":308742,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-25 00:03:25","updated_at":"2018-03-12 21:35:30","questionName":"In the design of a mechanical trap a\/an _____ is used to open and close the trap outlet valve.","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":14,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":308740,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-25 00:01:18","updated_at":"2018-03-12 21:35:30","questionName":"The operation of the thermostatic trap depends upon the difference in:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":10,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":308738,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-24 23:58:57","updated_at":"2018-03-12 21:35:30","questionName":"In one design of a mechanical trap a _____ is used to open and close the trap outlet valve.","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":6,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":305410,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-23 00:49:41","updated_at":"2018-03-12 21:35:30","questionName":"Before closing manhole and handhole openings: 1. Make sure that the seating surfaces are clean 2. Traces of old gaskets left behind may cause leakage 3. Use old gaskets coated with powdered graphite or a gasket compound 4. Use new gaskets","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":5,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":308737,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-24 23:57:55","updated_at":"2018-03-12 21:35:30","questionName":"As the condensate passes through the trap, the _____ of the bimetal strip increases slightly causing a deflection of the bimetal strip so that the valve can modulate the condensate flow through the trap.","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":3,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":310785,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-28 12:57:57","updated_at":"2018-03-12 21:35:30","questionName":"The oil temperature is controlled by the:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":4,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null},{"id":308736,"quiz_id":"15507","answer_id":null,"answerType_id":"0","created_at":"2017-10-24 23:56:50","updated_at":"2018-03-12 21:35:30","questionName":"To reduce the effect of water hammer, the suction and discharge lines of pumps are often equipped with:","questionTimeSeconds":"0","questionTimeMinutes":"2","questionImagePath":null,"position":1,"explanation":"","question_score_id":null,"lang":null,"questionAudioPath":null}]
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Boiler carryover occurs as the result of:

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