單項(xiàng)選擇題

Which is not the maintenance work for shaft bearings in transmission system?（）

A.check oil level in bearing sump
B.check them for leakagec through end seals
C.pump bilges in time
D.check temperature

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Water lubricated tailshaft bearings wear,（）

A.the after one is more than forward one
B.the forward one is more than after one
C.the forward one is the same with after one
D.it depends on the type of engine

單項(xiàng)選擇題

When sailing in cold zones, the（） should be drained of water.

A.the ventilation pipe
B.the water line for fire fighting on the deck
C.the fuel oil line
D.the water supplying line in bath room

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Which is not the maintenance work for shaft bearings in transmission system?（）

你可能感興趣的試題

Water lubricated tailshaft bearings wear,（）

When sailing in cold zones, the（） should be drained of water.