单选题Condensate must be drained from the intercooler and after-coolers of an air compressor because （）.Athe cooling effect of the condensate reduces the compressors efficiencyBa danger of explosion exists whenever water is present in a compressorCwater causes erratic operation of pneumatic componentsDthe volumetric capacity of the first stage is reduced if water remains
单选题
Condensate must be drained from the intercooler and after-coolers of an air compressor because （）.
A
the cooling effect of the condensate reduces the compressors efficiency
B
a danger of explosion exists whenever water is present in a compressor
C
water causes erratic operation of pneumatic components
D
the volumetric capacity of the first stage is reduced if water remains
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