G2 Prep Test Exam fully solved & updated (latest
version verified for accuracy) | Latest!!
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Practice questions for this set
Learn 1 /7 Study with Learn
A commercial forced air furnace transfers heat in what medium?
Choose an answer
1 Conductive 2 Thermal
3 Convective 4 Radiant
Don't know?
Terms in this set (143)
,What is the minimum c. 3"
diameter of a pressure
gauge needed to perform
leak test on gas piping?
A. 2"
B. 2 - 3/4"
C. 3"
D. 3 - 1/2"
Amp meter can read B. Conductor magnetic field.
what?
A. Pressure drop.
B. Conductor magnetic
field.
C. Load in parallel wires.
D. Direct power across
loads.
What would be the D. 120/1/60.
primary voltage of a
furnace?
A. 120/2/60.
B. 24/1/60.
C. 120/24/60.
D. 120/1/60.
What is the function of an D. Stay on during the main burner operation.
intermittent pilot?
A. Shut off after main
burner.
B. Stay on before and after
main burner.
C. Power up the
thermocouple.
D. Stay on during the main
burner operation.
, What is the millivolts B. 10 to 15 millivolts.
power output on a closed
circuit test?
A. 20 to 30 millivolts.
B. 10 to 15 millivolts.
C. 2 to 4 millivolts.
D. 10 millivolts or less.
A pilot with a lazy yellow A. Orifice too small.
flame would indicate?
A. Orifice too small.
B. Mid to high gas
pressure.
C. Target pilot orifice.
D. Orifice size too large.
For flame rectification one B. Proper grounding plane.
of the most important
things should be?
A. Flame molecules.
B. Proper grounding
plane.
C. Proper air to gas
mixture to pilot.
D. Flame rod insulator.
What makes a flame C. Pilot flame.
capillary sensor tube
prove pilot to main gas
valve?
A. Trial for ignition.
B. Glow coil.
C. Pilot flame.
D. Intermittent pilot.
version verified for accuracy) | Latest!!
Save
Practice questions for this set
Learn 1 /7 Study with Learn
A commercial forced air furnace transfers heat in what medium?
Choose an answer
1 Conductive 2 Thermal
3 Convective 4 Radiant
Don't know?
Terms in this set (143)
,What is the minimum c. 3"
diameter of a pressure
gauge needed to perform
leak test on gas piping?
A. 2"
B. 2 - 3/4"
C. 3"
D. 3 - 1/2"
Amp meter can read B. Conductor magnetic field.
what?
A. Pressure drop.
B. Conductor magnetic
field.
C. Load in parallel wires.
D. Direct power across
loads.
What would be the D. 120/1/60.
primary voltage of a
furnace?
A. 120/2/60.
B. 24/1/60.
C. 120/24/60.
D. 120/1/60.
What is the function of an D. Stay on during the main burner operation.
intermittent pilot?
A. Shut off after main
burner.
B. Stay on before and after
main burner.
C. Power up the
thermocouple.
D. Stay on during the main
burner operation.
, What is the millivolts B. 10 to 15 millivolts.
power output on a closed
circuit test?
A. 20 to 30 millivolts.
B. 10 to 15 millivolts.
C. 2 to 4 millivolts.
D. 10 millivolts or less.
A pilot with a lazy yellow A. Orifice too small.
flame would indicate?
A. Orifice too small.
B. Mid to high gas
pressure.
C. Target pilot orifice.
D. Orifice size too large.
For flame rectification one B. Proper grounding plane.
of the most important
things should be?
A. Flame molecules.
B. Proper grounding
plane.
C. Proper air to gas
mixture to pilot.
D. Flame rod insulator.
What makes a flame C. Pilot flame.
capillary sensor tube
prove pilot to main gas
valve?
A. Trial for ignition.
B. Glow coil.
C. Pilot flame.
D. Intermittent pilot.
