知到答案汽车专业英语智慧树答案_2022年

第七章

1.For an engine to make the best use of the fuel, the spark should occur before the piston reaches the top of（ ）。
答案:the compression stroke
The piston speed increases as the engine speed increases. This means that the faster the engine goes, the spark has to occur（ ）。
答案:earlier
According to your understanding, retarding the timing may also eliminate（ ）。
答案:knocking
The primary role of the distributor is to distribute high voltage from the（ ）to the correct cylinder.
答案:coil
Functions of ignition system are （ ）
答案:create a spark ;control the timing of spark ;send spark to correct cylinder ;ignite the mixture piston