Exam 32: Oil Heat

The process of breaking up a liquid into fine droplets is called ____________________ .

The cad cell relay is a safety device that uses which of the following to prove ignition ?

The grade of fuel used in residential and light commercial units is ____.

The ____________________ is an oil piping component that allows a one-pipe system to function as a two-pipe system .

Oil lines are typically made of copper and should be sized at a minimum ____________________ OD .

Define atomization.

Oil burner nozzles are rated at 100 psig nozzle pressure .

Nozzles can be cleaned to remove any carbonization by using a very fine wire brush.

Tanks that are to be installed underground must be protected against corrosion.

When any product containing hydrogen and/or carbon reacts with oxygen to release heat energy, the process is called ____________________.

A condensing oil furnace operates at a higher efficiency because part of the heat output is ____.

The stack switch or stack relay ____.

The heat content of one gallon of No. 2 fuel oil is about ____________________ Btu.

Oil tanks should be checked for water at least once a month .

When the oil tank is above the oil burner pump, the fuel oil supply system would normally be a ____.

How can a technician tell the difference between an upflow furnace and a downflow furnace?

____________________ is the amount of carbon left in a sample of oil after it is changed from a liquid to a vapor by being boiled in an oxygen-free atmosphere .

An auxiliary tank and booster pump system is required if the oil supply is situated ____ below the oil burner pump .

In a(n) ____________________ fuel oil supply system, one pipe is the supply and the other acts as the return .