单选题If the feed pump for an auxiliary boiler fails to deliver the feed water to the boiler, the cause maybe （）.Ahigh steam pressure in the boilerBabnormally high feed water temperatureCabnormally high boiler water temperatureDsteam demand exceeding feed pump capacity
单选题
If the feed pump for an auxiliary boiler fails to deliver the feed water to the boiler, the cause maybe （）.
A
high steam pressure in the boiler
B
abnormally high feed water temperature
C
abnormally high boiler water temperature
D
steam demand exceeding feed pump capacity
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