TSSA G2 TEST PAPER ANSWERS AND QUESTIONS
SET A+
✔✔Diode - ✔✔Only allows current to flow in one direction
✔✔A heat anticipator is wired in ? - ✔✔Series with the gas valve
✔✔Thermocouple open test - ✔✔25-30 mV
✔✔Redundant gas valve - ✔✔Contains a pilot valve and a main valve
✔✔A voltmeter with analog scale is to be used on a circuit of unknown voltage, the
scale would be set on? - ✔✔0-600V
✔✔A zero reading on a voltmeter across R&C on a circuit board in a furnace would
indicate ? - ✔✔The fuse is burnt
✔✔An aluminum 14/2 conductor, 60ft long requires a current protection of? - ✔✔15A
✔✔Electronic air cleaner (EAC) - ✔✔Has ionizing plates that are positively and
negatively charged. Hearing a zapping sound means its dirty and it would produce high
levels of ozone.
✔✔Spalling - ✔✔Pieces of chimney flue flake and delaminate
✔✔Tip over switch - ✔✔Used on construction heaters
✔✔Pressure switch - ✔✔A normally open switch
✔✔Muriatic acid or pickling vinegar - ✔✔Used to descale a boiler
, ✔✔Heating output of a boiler should? - ✔✔Exceed calculated space heating loss of the
building
✔✔Selecting the right circulating pump - ✔✔Size based of btu of the system. flow rate
of pump should be be 1 GPM per 10,000 Btu input of the water heater
✔✔Size anode should be changed - ✔✔3/8"
✔✔Size anode should be - ✔✔3/4"
✔✔Fan turns on - ✔✔140F
✔✔Fan turns off - ✔✔90-100F
✔✔Types of ignition - ✔✔HSI (hot surface igniter
Standing pilot
Spark ignition
✔✔Most heat resistant vent - ✔✔Type A
✔✔Fan control operation - ✔✔Line voltage 120V
✔✔Manometer - ✔✔Tool used for adjusting and setting pressure on an appliance
regulator
✔✔Maximum pressure downstream of a first stage propane regulator - ✔✔10psig
✔✔Maximum amount of propane that can be used in a home under construction -
✔✔300lbs
✔✔Main purpose of a regulator - ✔✔Maintain and control outlet pressure and flow rate
✔✔Turning adjustment screw counter-clockwise on a second stage propane regulator
will? - ✔✔Decrease supply pressure
✔✔Largest size cylinder that can be manufactured in water capacity - ✔✔1000lbs w.c
✔✔On a welding cylinder when is the protective collar or cap used? - ✔✔Always except
when connected for use
✔✔Surge arrestors are used on propane regulator when? - ✔✔Regulator is required to
be slow opening
SET A+
✔✔Diode - ✔✔Only allows current to flow in one direction
✔✔A heat anticipator is wired in ? - ✔✔Series with the gas valve
✔✔Thermocouple open test - ✔✔25-30 mV
✔✔Redundant gas valve - ✔✔Contains a pilot valve and a main valve
✔✔A voltmeter with analog scale is to be used on a circuit of unknown voltage, the
scale would be set on? - ✔✔0-600V
✔✔A zero reading on a voltmeter across R&C on a circuit board in a furnace would
indicate ? - ✔✔The fuse is burnt
✔✔An aluminum 14/2 conductor, 60ft long requires a current protection of? - ✔✔15A
✔✔Electronic air cleaner (EAC) - ✔✔Has ionizing plates that are positively and
negatively charged. Hearing a zapping sound means its dirty and it would produce high
levels of ozone.
✔✔Spalling - ✔✔Pieces of chimney flue flake and delaminate
✔✔Tip over switch - ✔✔Used on construction heaters
✔✔Pressure switch - ✔✔A normally open switch
✔✔Muriatic acid or pickling vinegar - ✔✔Used to descale a boiler
, ✔✔Heating output of a boiler should? - ✔✔Exceed calculated space heating loss of the
building
✔✔Selecting the right circulating pump - ✔✔Size based of btu of the system. flow rate
of pump should be be 1 GPM per 10,000 Btu input of the water heater
✔✔Size anode should be changed - ✔✔3/8"
✔✔Size anode should be - ✔✔3/4"
✔✔Fan turns on - ✔✔140F
✔✔Fan turns off - ✔✔90-100F
✔✔Types of ignition - ✔✔HSI (hot surface igniter
Standing pilot
Spark ignition
✔✔Most heat resistant vent - ✔✔Type A
✔✔Fan control operation - ✔✔Line voltage 120V
✔✔Manometer - ✔✔Tool used for adjusting and setting pressure on an appliance
regulator
✔✔Maximum pressure downstream of a first stage propane regulator - ✔✔10psig
✔✔Maximum amount of propane that can be used in a home under construction -
✔✔300lbs
✔✔Main purpose of a regulator - ✔✔Maintain and control outlet pressure and flow rate
✔✔Turning adjustment screw counter-clockwise on a second stage propane regulator
will? - ✔✔Decrease supply pressure
✔✔Largest size cylinder that can be manufactured in water capacity - ✔✔1000lbs w.c
✔✔On a welding cylinder when is the protective collar or cap used? - ✔✔Always except
when connected for use
✔✔Surge arrestors are used on propane regulator when? - ✔✔Regulator is required to
be slow opening
