what is steady state efficiency a assesment of?

What is steady state efficiency a assesment of?

Performance

Efficiency

Behaviour

What does steady state efficiency asses?

The on cycle heat loss of the appliance

The off cycle heat loss of the appliance

The on cycle heat gain of appliance

What are CO2 and O2 a measurement of?

The % of volume

The % of air

The % of gravity

What CO measured in?

Parts per billion

2 billion

Parts per million

What is the ultimate % of CO2 in oil?

15.3%

15%

20%

18%

Where is excess air introduced into the heat exchanger?

What should an obt do about excess air introduced through leaks?

Elminiate

Leave it be

Call for help

At what point do flue gas temp become dangerous?

750 f

700 f

1000 f

850 f

Does excess air introduced through leaks participate in combustion?

Yes

What are 4 causes of high flue gas temp other then excessive air?

Dirty heat exchanger

Excessive draft

Too high firing rate

The heated medium is not properply able to absorb the combustion heat

The heated medium is properply able to absorb the combustion heat

What is 1/8" of soot equavilent compared to fiberglass insulation?

What is the general size of a sampling point?

1/4"

1/8"

1/2"

Where should the breech draft sampling hole be loacted?

One flue pipe diameter on appliance side of draft reg

2 flue pipe diameters from breeching or an elbow

Anywhere

2 flue pipe diameters from furnace

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