单项选择题
Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?（）
A.Holding the valve open for a long period
B.Increasing the starting air pressure used
C.Opening the stating air valve quickly
D.Reducing the starting air valve size
点击查看答案&解析
相关考题
-
单项选择题
Small crack in the crankshaft bearing surface of a diesel engine are an indication of（）
A.corrosion fretting
B.insufficient lubrication
C.abnormal wear
D.fatigue failure -
单项选择题
Fuel oil day tanks for diesel engines must be checked and cleaned and cleaned at regular intervals in order to remove（）
A.sludge
B.water
C.micro-organism growth
D.all of the above -
单项选择题
Excessively worn, or polished ends on a diesel engine valve spring, indicate（）
A.burned exhaust valves
B.excessive spring compression
C.spring surge
D.worn valve seats
