超星 - 题库第二章 - 查题吧

单选题

A simplified mechanical _____ has an inlet and an outlet valve .

A. pump
B. filter
C. tank
D. case

单选题

The end of the rocker arm is operated by an eccentric on the______.

A. crankshaft
B. camshaft
C. countershaft
D. input shaft

单选题

In the EFI system, it is possible to have systems using only one injector per engine or one injector per ______.

A. piston
B. cylinder
C. crankpin
D. stroke

单选题

Fuel is injected into the area around the throttle valve, where air velocity is at a ______.

A. minimum
B. maximum
C. middle
D. fit

单选题

Each cylinder has its own ______that delivers fuel directly to the intake valve.

A. injective
B. inject
C. injector
D. injected

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