MCQOPTIONS
Saved Bookmarks
| 1. |
Deficiency of combustion air during combustion of a gaseous fuel |
| A. | lengthens the flame. |
| B. | causes heat loss of fuel by its partial combustion. |
| C. | both (a) & (b). |
| D. | shortens the flame. |
| Answer» D. shortens the flame. | |