Engine_2014 : Motor Plants and Auxiliary Boilers - 2469/2614
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| Which of the automatic boiler controls listed should be tested prior to lighting off an auxiliary boiler? |
| A) Automatic bottom blow valve |
| B) Low water level cutoff switch |
| C) Voltage output of the ignition transformer |
| D) Insulation resistance readings in the ignition system high tension leads |
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