Questions and CORRECT Answers
1) What is the minimum diameter of a pressure gauge needed to perform leak test on gas piping?
- CORRECT ANSWER - 3"
1) What is the minimum diameter of a pressure gauge needed to perform leak test on gas piping?
- CORRECT ANSWER - 3"
2) Amp meter can read what? - CORRECT ANSWER - Conductor magnetic field.
2) Amp meter can read what? - CORRECT ANSWER - Conductor magnetic field.
3) What would be the primary voltage of a furnace? - CORRECT ANSWER - 120/1/60.
3) What would be the primary voltage of a furnace? - CORRECT ANSWER - 120/1/60.
4) What is the function of an intermittent pilot? - CORRECT ANSWER - Stay on during
the main burner operation.
4) What is the function of an intermittent pilot? - CORRECT ANSWER - Stay on during
the main burner operation.
5) What is the millivolts power output on a thermocouple closed circuit test? - CORRECT
ANSWER - 10 to 15 millivolts.
5) What is the millivolts power output on a thermocouple closed circuit test? - CORRECT
ANSWER - 10 to 15 millivolts.
,6) A pilot with a lazy yellow flame would indicate? - CORRECT ANSWER - Orifice size
too large.
6) A pilot with a lazy yellow flame would indicate? - CORRECT ANSWER - Orifice size
too large.
7) For flame rectification one of the most important things should be? - CORRECT
ANSWER - Proper grounding plane.
7) For flame rectification one of the most important things should be? - CORRECT
ANSWER - Proper grounding plane.
8) What makes a flame capillary sensor tube prove pilot to main gas valve? - CORRECT
ANSWER - Pilot flame.
8) What makes a flame capillary sensor tube prove pilot to main gas valve? - CORRECT
ANSWER - Pilot flame.
9) Since 1996 the most common type of home construction? - CORRECT ANSWER -
Platform.
9) Since 1996 the most common type of home construction? - CORRECT ANSWER -
Platform.
10) Can a new installation of a fin type pool heater less than 250,000 btu be installed in a house?
- CORRECT ANSWER - Yes, if pool heater is direct vented.
10) Can a new installation of a fin type pool heater less than 250,000 btu be installed in a house?
- CORRECT ANSWER - Yes, if pool heater is direct vented.
,11) When converting oil furnace to gas what type of atmospheric burner can be use? -
CORRECT ANSWER - Inshot.
11) When converting oil furnace to gas what type of atmospheric burner can be use? -
CORRECT ANSWER - Inshot.
12) If the flue gases are remove from the front of the appliance we could assume that it's a? -
CORRECT ANSWER - 2 to 4 flue pasts boiler.
12) If the flue gases are remove from the front of the appliance we could assume that it's a? -
CORRECT ANSWER - 2 to 4 flue pasts boiler.
13) Can a gas log set be installed in sleeping quarters? - CORRECT ANSWER - Yes, if
approved by the manufacturer. See clause 7.24.4(c).
13) Can a gas log set be installed in sleeping quarters? - CORRECT ANSWER - Yes, if
approved by the manufacturer. See clause 7.24.4(c).
14) What is the minimum distance that a vent from an appliance with an input of 110,000 btuh
can be from a non-mechanical air supply? - CORRECT ANSWER - 3ft
14) What is the minimum distance that a vent from an appliance with an input of 110,000 btuh
can be from a non-mechanical air supply? - CORRECT ANSWER - 3ft
15) If the boiler flue gases are remove from the front of the appliance we could assume that it's
a? - CORRECT ANSWER - 2 to 4 flue pass boiler.
15) If the boiler flue gases are remove from the front of the appliance we could assume that it's
a? - CORRECT ANSWER - 2 to 4 flue pass boiler.
, 16) Can a gas log fire place be installed in a sleeping quarter? - CORRECT ANSWER -
No, even if new venting is installed.
16) Can a gas log fire place be installed in a sleeping quarter? - CORRECT ANSWER -
No, even if new venting is installed.
17) What is the minimum distance that a vent from an appliance with an input of 101,000 btuh
be from a non-mechanical air supply? - CORRECT ANSWER - 3ft
17) What is the minimum distance that a vent from an appliance with an input of 101,000 btuh
be from a non-mechanical air supply? - CORRECT ANSWER - 3ft
18) On a presssuretol, the main burner starts on? - CORRECT ANSWER - Pressure
differential.
18) On a presssuretol, the main burner starts on? - CORRECT ANSWER - Pressure
differential.
19) On a hydronic heater system what control respond to a load change? - CORRECT
ANSWER - Aquastat.
19) On a hydronic heater system what control respond to a load change? - CORRECT
ANSWER - Aquastat.
20) Installation of a propane tank under 1000 USWG what would be the minimum distance from
a regulator to a building opening? - CORRECT ANSWER - 3'
20) Installation of a propane tank under 1000 USWG what would be the minimum distance from
a regulator to a building opening? - CORRECT ANSWER - 3'