题目
Exhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine byA.natural aspirationB.masked intake valvesC.air ceilsD.scavenging air
Exhaust gases are generally removed from the cylinders of a two-stroke/cycle diesel engine byA.natural aspiration
B.masked intake valves
C.air ceils
D.scavenging air
B.masked intake valves
C.air ceils
D.scavenging air
题目解答
答案
D
解析
在两冲程柴油发动机中，废气的排出是通过新鲜空气的引入来实现的。这种新鲜空气被称为扫气空气，它在进入气缸时会将废气推出。扫气空气的引入是通过专门的扫气口或扫气管来实现的，这些扫气口或扫气管通常位于气缸的下部，以便新鲜空气能够有效地将废气推出气缸。