單項選擇題

A full-flow 50μm filter is installed ,（） so the injection system components on the main engine are safeguarded.

A.as close to the main engine as possible
B.as close to the main pump as possible
C.just before the fuel valve
D.just before the booster pump

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單項選擇題

The fuel from the bunker tanks must be treated by before entering the service tanks（）, from where the fuel enters（）

A.centrifugal separators; the engine cylinder
B.oily water separators; the engine cylinder
C.oily water separators; the fuel supply system
D.centrifuges; the fuel supply system

單項選擇題

When the heavy fuel oil is heated to achieve the viscosity of 10-15 cst, may occur.To avoid this, a system is used in most occasions（）

A.boiling and cavitations; low temperature
B.boiling and cavitations; pressurized
C.leaking and boiling; low temperature
D.leaking and boiling; pressurized

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A full-flow 50μm filter is installed ,（） so the injection system components on the main engine are safeguarded.

你可能感興趣的試題

The fuel from the bunker tanks must be treated by before entering the service tanks（）, from where the fuel enters（）

When the heavy fuel oil is heated to achieve the viscosity of 10-15 cst, may occur.To avoid this, a system is used in most occasions（）