Oil Heat

Question 1

Label nozzle spray patterns

Answer 1

Semi solid- solid- hollow

Question 2

What 3 identifications on an oil burner nozzle?

Answer 2

Gallons per hour
Angle
Spray pattern

Question 3

What type of pump is used when the fuel tank is located above the burner?

Answer 3

Single pipe systen

Question 4

What must be installed on a 2 pipe system?

Answer 4

Bypass plug

Question 5

The oil pump compresses the oil delivered to the nozzle. What is the typical PSI for the nozzle?

Answer 5

100 psi

Question 6

This type of pipe system must be bled manually if fuel runs out.

Answer 6

2 pipe system

Question 7

An ignition transformer can be checked by using a screwdriver to draw an arc. The arc should be ___ of an inch or greater.

Answer 7

3/4

Question 8

This type of ignition system provides a high voltage spark through the electrodes during the entire burner cycle?

Answer 8

Intermittent

Question 9

This type of ignition system provides the high boltage spark for a short period of time during the beginning of the burner cycle?

Answer 9

Interrupted

Question 10

The nozzle breaks the oil up into tiny droplets for the combustion process. This process us called what?

Answer 10

Atomization

Question 11

An OSV (oil safety Valve) is used on this type of system and is buried on the line between the tank and the burner.

Answer 11

Gravity feed

Question 12

What can change the nozzles performance in the oil burning cycles?

Answer 12

Pressure and Dirt

Question 13

This type of test on a fuel pump shows the pumps ability to stop fuel from flowing when the burner cycle has ended?

Answer 13

Cutoff test

Question 14

What test can be done by placing 300 psi gauge on the nozzle outlet port?

Answer 14

Pressure test

Question 15

When performing a vacuum test on a fuel oil pump if the gauge needle is fluctuating this may be a sign of what ?

Answer 15

Leaking seals

Question 16

What is the term used when deacribing an oils thickness

Answer 16

Viscocity

Question 17

Fill and vent lines should slop in what direction?

Answer 17

Towards the tank

Question 18

This makes a whistling noise as the fuel tank is being filled?

Answer 18

Vent alarm

Question 19

What type of resistance reading would you see uf the CAD cell is exposed to light?

Answer 19

Below 1,600

Question 20

When you have interaction between these 3 controls it creates a safe and automatic operation of the heating system?

Answer 20

Thermostat, limit, and primary control

Question 21

This control opens & closes a circuit based on the tempature change in a given space.

Answer 21

Thermostat

Question 22

The control opens and closes a circuit based on the temperature or pressure changes in the furnace or boiler system?

Answer 22

Limit control

Question 23

This control regulates the operation if the burner system based on a call for heat.

Answer 23

Primary control

Question 24

If the limit control or the thermostst are open will the primary control overide or start the burner?

Answer 24

No, it will bot

Question 25

When the primary control shits the burner off due to no flame this is referred to ss what?

Answer 25

Off-on-safety

Question 26

How many times can the primary controk be resetted? How ?

Answer 26

1 time Little RED button

Question 27

The hot wire from the burner motor, igniter, and oil valve (optional) are connected to what wire?

Answer 27

Orange wire

Question 28

The hot wire from the limit control is connected to what wire from the primary control?

Answer 28

Black wire

Question 29

What are the terminal names for the thermostat on interrmittent primary control?

Answer 29

T T

Question 30

On a stack relay, what wire(s) are connected to terminal #2?

Answer 30

Neutrals

Question 31

The limit control is wired in (parallel/series) to what wire on a CAD cell control?

Answer 31

Wired in series to the black wire

Question 32

On a stack relay the limit is wired in (parallel/series) to what terminal?

Answer 32

Series to terminal 1

Question 33

To check for power on a CAD cell control you would put your voltmeter leads across what wires?

Answer 33

Doesn’t use volts, have to check with resistance.

Question 34

To check for power stack control, you would place your voltmeter across what terminals.

Answer 34

Between 1 and 2

Question 35

#2 fuel oil is dyed what color for use in fuel oil burner furnace systems?

Answer 35

RED

Question 36

#2 fuel oil is dyed what color for use in fuel engines?

Answer 36

Blue

Question 37

Instead of terminals CAD cell flame detection systems use what?

Answer 37

Colored wires

Question 38

Is the CAD cell control (slower/faster) acting than a stack control?

Answer 38

Faster, because it doesn’t have to go through a relay.

Question 39

On ignition transformers the output voltage is how many volts?

Answer 39

10-14k

Question 40

On a solid-state ignition systems the output voltage is how many volts?

Answer 40

14-20k

Question 41

If the voltage flowing from a transformer is increased then the current (decreases/increases/stays the same) proportionally.

Answer 41

Increases proportionally

Question 42

When wiring intermitten ignition transformers one wire will be connected to the (neutral/hot wire and the other wire will be connected to the (black wire /orange) wire from the primary control?

Answer 42

Hot wire Orange wire

Question 43

Will fuel oil burn in the liquid state?

Answer 43

No

Question 44

Fuel oil filters are made up of variety of materials including what three types?

Answer 44

Wool fet, resin coded paper, stainless steel mesh

Question 45

Fuel oil filters are located on what line and where?

Answer 45

Supply line

Question 46

What is heavier, water or oil?

Answer 46

Water

Question 47

What is the purpose of the CAD cell?

Answer 47

Use to sense the flame

Question 48

When the oil burner is firing an ohmmeter should read between?

Answer 48

.5-600

Question 49

When the oil burner is in standby an ohmmeter reading should read?

Answer 49

OL