Quiz_________________?
"B" vent is:
A: Hard, inflexible white plastic vent tubing able to withstand temperatures up to 325
degrees F
B: Hard, inflexible white plastic vent tubing able to withstand temperatures up to 400
degrees F
C: Single wall sheet metal vent pipe
D: Double wall sheet metal vent pipe -
Answer✅
D: Double wall sheet metal vent pipe
Quiz_________________?
"Carry over" channels or "cross overs" are used to:
A: Carry unused excess fuel back to the flue where it is sent up the stack
B: Carry primary air to the heat exchanger
1
, C: Carry secondary air to the heat exchanger
D: Carry the flame from the first burner that lights to the remaining burners -
Answer✅
D: Carry the flame from the first burner that lights to the remaining burners
Quiz_________________?
A combination fan-stat and high limit:
A: Are both safety controls
B: Consists of a high temperature safety thermostat built into the wall thermostat
C: Separate switches from a single helical bimetal, one switch controls the indoor fan, the
other acting as safety control
D: All the above are correct -
Answer✅
C: Separate switches from a single helical bimetal, one switch controls the indoor fan, the
other acting as safety control
Quiz_________________?
A crack in a heat exchanger can:
A: Allow combustion gases to mix with the space air
2
, B: Prevent the heat from effectively transferring to the air
C: Cause the high-limit control to shut the furnace down
D: Cause the furnace to catch on fire -
Answer✅
A: Allow combustion gases to mix with the space air
Quiz_________________?
A heat anticipator is wired:
A: In series with the "W" terminal
B: In parallel with the "W" terminal
C: In series with the "R" terminal
D: In parallel with the "R" terminal -
Answer✅
A: In series with the "W" terminal
Quiz_________________?
A lifting burner flame is usually caused by:
A: A new ignitor that has not been broken in
B: High gas pressure and/or too much primary air
3
"B" vent is:
A: Hard, inflexible white plastic vent tubing able to withstand temperatures up to 325
degrees F
B: Hard, inflexible white plastic vent tubing able to withstand temperatures up to 400
degrees F
C: Single wall sheet metal vent pipe
D: Double wall sheet metal vent pipe -
Answer✅
D: Double wall sheet metal vent pipe
Quiz_________________?
"Carry over" channels or "cross overs" are used to:
A: Carry unused excess fuel back to the flue where it is sent up the stack
B: Carry primary air to the heat exchanger
1
, C: Carry secondary air to the heat exchanger
D: Carry the flame from the first burner that lights to the remaining burners -
Answer✅
D: Carry the flame from the first burner that lights to the remaining burners
Quiz_________________?
A combination fan-stat and high limit:
A: Are both safety controls
B: Consists of a high temperature safety thermostat built into the wall thermostat
C: Separate switches from a single helical bimetal, one switch controls the indoor fan, the
other acting as safety control
D: All the above are correct -
Answer✅
C: Separate switches from a single helical bimetal, one switch controls the indoor fan, the
other acting as safety control
Quiz_________________?
A crack in a heat exchanger can:
A: Allow combustion gases to mix with the space air
2
, B: Prevent the heat from effectively transferring to the air
C: Cause the high-limit control to shut the furnace down
D: Cause the furnace to catch on fire -
Answer✅
A: Allow combustion gases to mix with the space air
Quiz_________________?
A heat anticipator is wired:
A: In series with the "W" terminal
B: In parallel with the "W" terminal
C: In series with the "R" terminal
D: In parallel with the "R" terminal -
Answer✅
A: In series with the "W" terminal
Quiz_________________?
A lifting burner flame is usually caused by:
A: A new ignitor that has not been broken in
B: High gas pressure and/or too much primary air
3
