單項(xiàng)選擇題

Proper filtering and straining of diesel fuel is important because the（）

A.fuel oil pump will over-speed if dirt is not removed
B.fuel oil transfer pumps cannot tolerate small amounts of grit in the oil
C.fuel injectors may be damaged by foreign particles in the fuel oil dirty
D.fuel will clog the intake air filter

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單項(xiàng)選擇題

Which factor determines the ring dam size for a fuel oil, tubular bowl type, centrifugal purifier?（）

A.The viscosity off the fuel
B.The quantity of water to be removed from the fuel
C.The specific gravity of the fuel
D.The quantity of dirt to be removed from the fuel

單項(xiàng)選擇題

If the bowl of a disk type centrifugal purifier when operated as a separator is not primed, the（）

A.oil has a tendency to emulsify in the bowl
B.purifier will act as a clarifier at the discharge ring
C.oil will be lost through the water discharge ports
D.oil solids will be deposited only at the intermediate top disk

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Proper filtering and straining of diesel fuel is important because the（）

你可能感興趣的試題

Which factor determines the ring dam size for a fuel oil, tubular bowl type, centrifugal purifier?（）

If the bowl of a disk type centrifugal purifier when operated as a separator is not primed, the（）