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Engine: Expired / Motor Plants and Auxiliary Boilers

Question 703 of 354

There are two glands provided where the piston rod exits the cylinder shown in the illustration. The purpose of the top gland is to __________. Illustration MO-0083

USCG illustration MO-0083 for Engine Expired / Motor Plants and Auxiliary Boilers question 703
Illustration MO-0083
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