题目内容

Carburetor fuel systems and EFI systems are designed to deliver the fuel mixture to the engine in a combustible form, but each system does it in a different way.One basic difference is that carburetors______ the fuel, and injectors spray the fuel.

A. atomize
B. liquidate
C. solidify
D. freezing

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There are three pipes (or lines) between the fuel tank ______ the vehicle and the components in the engine compartment.

A. at the rear of
B. at the front of
C. at the top of
D. at the bottom of

and a line filter is fitted in the supply line between the______and the fuel pump, or between the fuel pump and the carburetor.

A. fuel tank
B. oil tank
C. fuel filter
D. oil filter

By measuring engine coolant temperature, the ECM knows the _____ temperature of the engine.

A. effective
B. average
C. highest
D. lowest

The _____consists of the fuel tank, fuel pump, fuel filter, fuel supply pipe, fuel injector, fuel pressure regulator, and fuel return pipe.

A. fuel supply system
B. air supply system
C. oil supply system
D. fuel inject system