Exam 32: Oil Heat

Carbon monoxide is a(n) ____________________ and odorless gas .

The portion of a nozzle assembly that produces rotation of the oil spray is called the ____________________  .

What tests can a technician perform on an oil furnace that will check the combustion efficiency?

When nozzles problems are apparent, the nozzle should be removed using ____ and replaced .

Improper combustion can lead to ____.

Name six parts of an oil burner nozzle .

Tank piping should be inspected regularly for imperfections and leaks.

To make combustion efficiency tests, a hole must be made ____.

If an oil burner equipped with the cad cell relay ignites, runs for about ninety seconds, and cuts off. What is the first thing the service technician should do ?

Fuel pumps are equipped with ____________________ at the inlet to prevent particulate matter from entering the pump.

Fill and ____________________ pipes should be pitched toward the tank opening to prevent the formation of oil traps .

In a single-stage fuel oil pump, the oil is fed to the burner by capillary action.

Modern oil burners are referred as high pressure burners, as the oil is delivered through the burner at a pressure of minimum ____________________ psi .

There are two main types of oil pumps used on gun-type burners, single-stage and ____________________ pumps .

If a technician inspects the interior of a combustion chamber and finds large quantities of unburned oil, he would correctly conclude that the ____ .