Sunday, April 5, 2015

Heating I Section#1 Furnace - Gas and Oil Quiz#13

This study session deals with the oil burner and the combustion chamber.
The estimated completion time for this study session is sixty minutes.
Objectives
At the end of this study session, you should be able to:
  • List six problems found with the oil burner.
  • Describe three different materials commonly used for refractories.
  • List two problems found with refractories.
  • Describe the function of and problems associated with the primary controller.
List 3 conditions found with the primary controller on a conventional oil furnace.
1. Missing
2. Inoperative
3. Tripped

List 3 materials which have been used in residential furnaces for refractories.
1. Stainless steel
2. cast iron
3. brick

List 6 conditions which can be found with oil burners.
1. Dirty
2. Inoperative
3. Leaking
4. Incomplete combustion
5. Vibrating/noisy
6. Too close to combustibles

Natural gas burners on conventional furnaces are natural draft. Oil burners in conventional oil furnaces are _ draft.
Forced

Since oil is a liquid we have to_it before we can ignite it.
Atomize

What is the purpose of the refractory in an oil furnace?
Protects the steel of the furnace from the high temperature flame.

What is the required combustible clearance between an oil burner and combustibles?
24 inches

What is the purpose of the primary controller in an oil furnace?
It prevents oil accumulation in the combustion chamber

What is the typical residential oil burner pump pressure?
100psi

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