Which of the following is/are an/ the essential element/s for the combustion of fuel?
A. Oxygen
B. Correct fuel air ratio.
C. Proper ignition temperature.
D. All of these.
Answer:A
Which of the following is/are an/ the essential element/s for the combustion of fuel?
A. Oxygen B. Correct fuel air ratio. C. Proper ignition temperature. D. All of these.