Whichofthefollowingfiringordermaybeusedfora6-cyli

Which of the following firing order may be used for a 6-cylinder engine? ( )

A.1-2-3-4-5-6

B.1-2-3-6-5-4

C.1-5-3-6-2-4

D.1-3-4-5-6-2

正确答案：C
解析：发动机发火次序的设置原则是“应尽量避免相邻两个气缸连续发火”