One cause of flame failure in oil or gas fired boilers is:
a. Excessive fuel temperature
b. Fuel pressure being too high
c. The fuel being too volatile
d. Water in the fuel
e. The hydrogen content is too low
Answer: D
One cause of flame failure in oil or gas fired boilers is:
a. Excessive fuel temperature
b. Fuel pressure being too high
c. The fuel being too volatile
d. Water in the fuel
e. The hydrogen content is too low