单项选择题
The replacement piping for diesel engine high pressure fuel systems must be the same length and diameter as the original piping to （）.
A.avoid unnecessary pints inventory
B.keep torsional vibration constant
C.use existing supports and braces
D.maintain specified injection characteristics
点击查看答案&解析
相关考题
-
单项选择题
Friction, engine wear and oil consumption in a diesel engine are directly related to the （）.
A.acidity of the oil
B.pour point of the oil
C.flash point of the oil
D.viscosity of the oil -
单项选择题
Two important considerations for the proper lubrication of a diesel engine include the delivery of the oil in sufficient amount and the （）.
A.cetane number
B.pour point
C.viscosity temperature
D.quality of the oil -
单项选择题
In a naturally aspirated diesel engine, the volume of air intake is directly related to engine （）.
A.compression ratio
B.valve size
C.fuel pressure
D.cylinder clearance volume
