OFTEC Oil Burner Types and Operation 5

Question 1

What is the function of the oil filter installed on the supply line before the burner?

Accepted Answer

To remove water and particulate contaminants that could block the nozzle

Answer

To regulate the oil pressure

Answer

To heat the oil before combustion

Answer

To measure the fuel consumption rate

Question 2

What is the purpose of a post-purge on an oil burner?

Accepted Answer

To clear combustion gases from the heat exchanger and flue after the burner stops

Answer

To warm up the oil before the next cycle

Answer

To test the photocell

Answer

To reset the lockout timer

Question 3

What type of ignition system do modern oil burners typically use?

Accepted Answer

Electronic interrupted ignition

Answer

Standing pilot light

Answer

Manual match ignition

Answer

Catalytic ignition

Question 4

What is the danger of running an oil burner with a cracked combustion chamber?

Accepted Answer

Combustion gases including carbon monoxide can escape into the living space

Answer

The boiler will overheat the water

Answer

The oil consumption will increase dramatically

Answer

The photocell will malfunction

Question 5

In a wallflame burner, how does the flame pattern differ from a pressure jet burner?

Accepted Answer

The flame spreads across the combustion chamber walls rather than projecting forward

Answer

There is no difference in flame pattern

Answer

The flame projects vertically upward

Answer

The flame rotates in a spiral

Question 6

What would cause a yellow, smoky flame from an oil burner?

Accepted Answer

Insufficient combustion air or a partially blocked nozzle

Answer

Too much combustion air

Answer

The oil being too cold

Answer

The flue being too large