Engine : Expired / Motor Plants and Auxiliary Boilers - 703/354 |
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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) prevent crankcase oil leaking out |
B) seal against scavenge air leakage |
C) maintain crankcase vacuum |
D) maintain crankcase pressure |
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Illustration MO-0083Comments |
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