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Engine : Motor Plants and Auxiliary Boilers - 322/947
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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
A) seal against scavenge air leakage
B) prevent crankcase oil leaking out
C) maintain crankcase vacuum
D) maintain crankcase pressure
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Illustration MO-0083

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