Log In


Engine : Motor Plants and Auxiliary Boilers - 821/947
Get a hint
« Previous Question
Differential needle valves used in fuel injectors are directly closed by __________.
A) spring force
B) firing pressure
C) cam action
D) fuel oil pressure
loading answer...
Comments
There are no comments for this question.
0 0 0%

Study Mode
Answers Only
Options
Clear Score