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Engine_2014 : Steam Plants - 182/1951
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As found in a basic pneumatic automatic combustion control system, the function of a standardizing relay is to __________.
A) provide a backup means for manual control of the system
B) control the boiler drum water level within acceptable limits regardless of the load
C) introduce a control for maintaining constant superheated steam temperature regardless of boiler load
D) introduce a control for maintaining constant steam pressure regardless of boiler load
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