Question

In case of four cylinder opposed cylinder engines the firing order is ___________

(a) 1-4-3-2

(b) 1-3-4-2

(c) 1-2-3-4

(d) 1-2-4-3

This question was posed to me in homework.

My question comes from Energy Cycle in chapter Internal Combustion Engines of Automobile Engineering

Answer 1

The correct option is (a) 1-4-3-2

To elaborate: The firing order in these engines is 1-4-3-2.