The pipe identified by the letter "J" shown in the illustration is __________. MO-0110
Official USCG Answer & Rule Citation
Correct Answer: Option B — attached to the air ejector
In vacuum-type evaporators, the air ejector creates the necessary vacuum by entraining non-condensable gases. Pipe 'J' serves as the suction line for this ejector, drawing air and vapor from the condenser section to maintain the low-pressure environment required for efficient evaporation at lower temperatures.
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