Question 1

High Static Oil Burners

Accepted Answer

Used in large commercial and industrial applications due to their ability to produce high static air pressure.

Question 2

Flame Retention Head

Accepted Answer

Device designed to produce a compact, high-intensity flame, increasing combustion efficiency.

Question 3

Yellow Flame Burners

Accepted Answer

What are burners that produce longer, softer, and more luminous flames compared to blue flame burners?

Question 4

Oil Pump Pressure

Accepted Answer

What is the key factor that determines the amount of oil delivered to the nozzle in an oil burner?

Question 5

Stack Temperature

Accepted Answer

Measure of the heat carried away by flue gases in the chimney or flue pipe.

Question 6

Oil De-aerator

Accepted Answer

Device used to remove air or other gases from the oil supply to prevent sputtering and inconsistent combustion.

Question 7

CAD Cell

Accepted Answer

What is a type of flame sensor used in oil burners to confirm the presence of flame?

Question 8

Barometric Damper

Accepted Answer

Device used to control the draft in an oil burner system.

Question 9

Primary Control

Accepted Answer

What is the device responsible for initiating the start and stop sequence of an oil burner?

Question 10

Aquastat

Accepted Answer

Device used to control water temperature in boilers.

Question 11

Delayed Oil Valve

Accepted Answer

This component delays oil flow to the nozzle until adequate ignition conditions are present.

Question 12

Electrode Positioning

Accepted Answer

Critical in the ignition process; improper positioning can lead to unburned oil and soot buildup.

Question 13

Firing Rate

Accepted Answer

The amount of oil consumed by the burner in a given time; usually given in gallons per hour.

Question 14

Flash Point

Accepted Answer

The temperature at which oil gives off vapors that can ignite in the presence of a flame or spark.

Question 15

Pre-Purge and Post-Purge

Accepted Answer

Purging processes to clear the combustion chamber of unburned oil and gases before and after burner operation.

Question 16

Low Water Cut-Off (LWCO)

Accepted Answer

Safety device used to shut off the fuel burner when the water level in a steam boiler becomes dangerously low.

Question 17

Nozzle Strainer

Accepted Answer

Component that filters the oil before it is atomized in the burner nozzle.

Question 18

Triple Aquastat

Accepted Answer

Combination device that controls boiler temperature, activates the circulator pump, and acts as a safety device.

Question 19

Draft Regulator

Accepted Answer

Device that maintains a consistent draft by allowing room air into the chimney.

Question 20

Direct Venting

Accepted Answer

Method of venting combustion gases directly outside without the use of a chimney.

Question 21

Pressuretrol

Accepted Answer

What is the control device that regulates the pressure in a steam heating system?

Question 22

Heat Exchanger

Accepted Answer

The part of the furnace that transfers heat from the burning fuel to the air being distributed.

Question 23

Two-Pipe System

Accepted Answer

Oil supply system in which one pipe feeds oil to the burner and the other returns oil to the tank.

Question 24

Electrostatic Precipitator

Accepted Answer

A type of air cleaner that uses electrically charged plates to collect dust and other particles.

Question 25

Hydronic Heating System

Accepted Answer

What is the heating system that uses water or steam to carry heat through the house?

Question 26

Boiler Efficiency

Accepted Answer

Measurement of how much of the heat input to the boiler is converted into useful heat.

Question 27

Modulating Burner

Accepted Answer

A burner that can vary its firing rate to match the system's heat demand.

Question 28

BTU (British Thermal Unit)

Accepted Answer

The amount of heat needed to raise the temperature of one pound of water by one degree Fahrenheit.

Question 29

Fuel-to-Air Ratio

Accepted Answer

The balance of fuel and air needed for proper combustion.

Question 30

Combustion Efficiency

Accepted Answer

The percentage of heat input that is used for changing the state of water to steam.

Question 31

Oil Heat Exchanger

Accepted Answer

Part of an oil furnace that transfers heat from the combustion of oil to the circulating air.

Question 32

Draft Hood

Accepted Answer

A device that prevents downdraft in the chimney from affecting the combustion process in the furnace.

Question 33

Air Shutter

Accepted Answer

Adjustable device which controls the amount of primary air mixed with the oil prior to combustion.

Question 34

Stack Switch

Accepted Answer

Safety control that shuts down the burner if the flue gas temperature exceeds a set limit.

Question 35

Oil Burner Motor

Accepted Answer

What is the component that provides the mechanical energy to the pump and the blower in an oil burner?

Question 36

Pump Strainer

Accepted Answer

Component in the oil burner that filters the oil before it reaches the pump.

Question 37

Fuel Unit Solenoid

Accepted Answer

Part that operates the valve to control the oil flow in the oil burner.

Question 38

Oil Primary Control

Accepted Answer

Control unit in oil burners that supervises and controls the operation of the burner motor, oil valve, and ignition transformer.

Question 39

Vent Alarm

Accepted Answer

Device that signals when the vent pipe of an oil tank is blocked or restricted.

Question 40

Combustion Chamber

Accepted Answer

The area where the fuel oil is burned in an oil heat system.

Question 41

Beckett Burner

Accepted Answer

A popular type of oil burner known for its reliability and efficiency.

Question 42

Flame Rollout

Accepted Answer

A dangerous condition where flames and combustion gases spill out of the normal combustion area.

Question 43

Firematic Valve

Accepted Answer

A safety device in oil heating systems that automatically shuts off oil flow in case of fire.

Question 44

Warm Air Distribution System

Accepted Answer

A heating system where heated air is distributed throughout a building via ductwork.

Question 45

Siphon Nozzle

Accepted Answer

Type of oil burner nozzle that provides constant atomization of fuel oil at all firing rates.

Question 46

Low Fire Start

Accepted Answer

A burner operating mode where the burner starts at a lower firing rate before ramping up to the desired load.

Question 47

Oil Delay Solenoid Valve

Accepted Answer

Device that delays the start of the oil flow until ignition is assured.

Question 48

Oil Line Protection Valve

Accepted Answer

Valve that prevents oil from leaking from the tank if the oil line is broken.

Question 49

Nozzle Pressure

Accepted Answer

Pressure at which the oil is forced through the nozzle to atomize it.

Question 50

Thermocouple

Accepted Answer

A safety device used to detect whether the pilot light is on by generating a small electrical current.

Question 51

Oil Burner Coupling

Accepted Answer

Connects the burner motor to the pump, transmitting the motor's rotary motion to the pump.

Question 52

High Limit Switch

Accepted Answer

A safety device that shuts off the furnace if it overheats.

Question 53

Transformer

Accepted Answer

Device in oil burners that steps up the voltage to create a spark for ignition.

Question 54

Combustion Air

Accepted Answer

The air that is used in the combustion process to burn the fuel oil.

Question 55

Baffle

Accepted Answer

Component in the heat exchanger that slows down combustion gases to improve heat transfer.

Question 56

Circulator Pump

Accepted Answer

Device that moves hot water from the boiler to the radiators in a hydronic heating system.

Question 57

Oil Tank Gauge

Accepted Answer

Device that shows the amount of oil remaining in the tank.

Question 58

Draft

Accepted Answer

The flow of air into the combustion chamber and out through the flue or chimney.

Question 59

Spill Switch

Accepted Answer

Safety device that shuts down the burner in case of a blocked flue or poor draft.

Question 60

Puffback

Accepted Answer

A dangerous condition where unburned oil in the combustion chamber ignites, causing a small explosion.

Question 61

Smoke Test

Accepted Answer

A test performed on oil burners to assess the combustion efficiency by analyzing the color of the smoke produced.

Red Seal Exam Flashcards: Oil Heat System Technician Essentials