Air-fuel ratio in a jet engine will be of the order of__________________?
A. 10: 1
B. 15: 1
C. 20 : 1
D. 60 : 1
E. 100 :
A. 10: 1
B. 15: 1
C. 20 : 1
D. 60 : 1
E. 100 :