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Engine_2014 : Motor Plants and Auxiliary Boilers - 1811/2614
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At the beginning of the prepurge period on an automatic auxiliary boiler equipped with a programmed control system, the unit will not restart if airflow is not sensed and __________.
A) the damper is not sufficiently opened
B) the damper is not fully closed
C) oil pressure is not sensed
D) water pressure is not sensed
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