Venting
Burners
Pilots and Ignition Systems
Controls and Safeties
Miscellaneous
100

Products of combustion

What is Flue Gas

100

When ignited the gas burner flame front passes smoothly and rapidly over the burner surface

What is rapid carry-over of flames

100
Open circuit will test between 20 and 30 mv

What is thermocouple 

100

Device that controls water temp in hydronic heating system

What is aquastat

100

Considered a non-vented appliance

What is a clothes dryer

200

Deadly product from incomplete combustion

What is carbon monoxide

200

Stable flame, quiet operation and no CO

What is complete combustion

200

Most common problem is due is clogging due to dust and lint

What is aerated pilot burners

200

Opens and dumps water if the tank pressure or water  temperature is excessively high

What is T & P relief valve

200

C3H8

What is Propane 

300

Which category of appliance that has a negative vent pressure and is less than 83% efficient

What is Category 1 appliance

300

Type of burner that supplies combustion air with enough pressure to overcome the resistance of the burner only 

What is fan-assist burners

300

This burns throughout the entire time the burner assembly is in service, whether main burner is firing or not

What is continuous pilot

300

What you use on all steam boilers and hot water boilers over 400, 000 BTU

What is low water cut-off 

300

55 CFH of CH4 is this many BTU/H 

What is 55 000 BTU/H

400

Is only allowed on gas-fired incinerators

What is single acting barometric damper

400

Use a zero governor to regulate gas supply

What is Aspirating burners 

400

The most commonly used electronic ignition system today

What is HSI, Hot Surface Igniter

400

High temperature limit switch, found on some boiler draft hoods or some dual acting barometric dampers

What is flame-roll out switch 

400

Has a specific gravity of 1.52

What is Propane

500

What type of venting system is completely sealed because the vent pressure is positive?

What is Forced Draft

500

Gas and combustion air mix at the nozzle

What is nozzle mix burner

500

Thermocouple failure response time 

What is 90 sec

500

Use on air heating systems to sense air temperature

What is combination high-limit/fan control switch

500

This type of vent has insulating mineral fiber in it.

What is Type A venting