Massachusetts Oil Burner License Practice Test

What is the most effective way to clear a clogged oil line?

1. Pour solvents into the line

2. Use a hand pump to remove the blockage

3. Increase pressure in the line

4. Let it sit for several hours

The correct answer is: Use a hand pump to remove the blockage

Using a hand pump to remove the blockage is an effective method for clearing a clogged oil line. This approach allows for a controlled application of suction, which can help dislodge the obstruction without damaging the line. By creating negative pressure, the hand pump can effectively pull the blockage through the line, restoring proper flow. In contrast, pouring solvents into the line might not effectively break down the type of clog present, particularly if it's made of solidified fuel or debris rather than something solvable. Increasing pressure in the line can be dangerous and may potentially rupture weak spots in the line or fittings, leading to further issues. Allowing it to sit for several hours may do little to address the immediate problem, as the blockage often requires an active method of removal rather than passive waiting.