单项选择题

The space between cylinder liner and jacket is called （）.

A.the cooling water
B.the circulating water
C.the cooler
D.the cooling water space

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单项选择题

The space between cylinder liner and jacket is called （）.

A.the circulating tank
B.the scavenge box
C.the cooling water space
D.the cooler

单项选择题

The shells are secured by means of bearing caps and studs, the necessary clearance being provided by means of （） of different thickness.

A.shims
B.packing
C.glands
D.washers

单项选择题

The sequence of parts in a generally used fuel oil supply system for a main engine is （）
(1)tanks in the double bottom
(2)centrifuges
(3)service tank
(4)settling tank
(5)viscosity regulator

A.(1)-(2)-(4)-(3)-(5)
B.(1)-(4)-(2)-(3)-(5)
C.(1)-(3)-(2)-(4)-(5)
D.(1)-(5)-(4)-(2)-(3)