第七章单元测试
- 1.For an engine to make the best use of the fuel, the spark should occur before the piston reaches the top of（ ）。
- The piston speed increases as the engine speed increases. This means that the faster the engine goes, the spark has to occur（ ）。
- According to your understanding, retarding the timing may also eliminate（ ）。
- The primary role of the distributor is to distribute high voltage from the（ ）to the correct cylinder.
- Functions of ignition system are （ ）
A:the compression stroke
B:the intake stroke
C:the exhaust stroke
D:the compress stroke
答案:the compression stroke
A:earlier
B:uncertain
C:no change is necessary
D:later
A:ignition
B:combustion
C:compression
D:knocking
A:piston
B:spark plug
C:rotor
D:coil
A:send spark to correct cylinder
B:create a spark
C:ignite the mixture piston
D:control the timing of spark
温馨提示支付 ￥3.00 元后可查看付费内容,请先翻页预览!
