TSSA G2 Study Quiz Exam Questions
With Correct Answers
On a pilot what causes a lazy yellow flame? - CORRECT ANSWER✔✔-Dirty
|| || || || || || || || || || || ||
lint screen
||
Primary air opening || ||
Orifice too big || ||
Main functions of a gas regulator? - CORRECT ANSWER✔✔-Reduce and
|| || || || || || || || || ||
maintain downstream pressure.Pressure to appliance can be adjusted.Smooth
|| || || || || || || ||
and even flow.
|| ||
What does the measuring element do? - CORRECT ANSWER✔✔-Measures
|| || || || || || || || ||
downstream pressure. ||
What is the restricting element? - CORRECT ANSWER✔✔-Increases or
|| || || || || || || || ||
decreases gas flow || ||
Loading element does what? - CORRECT ANSWER✔✔-set operating pressure.
|| || || || || || || ||
What is the closing force in a regulator? - CORRECT ANSWER✔✔-The
|| || || || || || || || || || ||
downstream outlet gas pressure || || ||
,What is the function of a regulator vent? - CORRECT ANSWER✔✔-Allow gas
|| || || || || || || || || || || ||
to escape in case of diaphragm rupture or downstream over pressure
|| || || || || || || || || ||
At the leak limiting orifice how much gas is allowed to leak in a one hour
|| || || || || || || || || || || || || || || ||
period? - CORRECT ANSWER✔✔-1 cu ft per hour.
|| || || || || || ||
Surge limiting valve are used where? - CORRECT ANSWER✔✔-Applications
|| || || || || || || || ||
where regulators are required to be slow opening.
|| || || || || || ||
Where is the service regulator located?And used to do what? - CORRECT
|| || || || || || || || || || || ||
ANSWER✔✔-At the end of the utility's pipeline. It's used to reduce supply
|| || || || || || || || || || || ||
pressure to the building pressure.
|| || || ||
Appliance regulators serve what purpose? - CORRECT ANSWER✔✔-The reduce
|| || || || || || || ||
the building pressure to the manifold pressure on the appliance.
|| || || || || || || || || ||
What is the system regulator?And what pressures does it bring it down to? -
|| || || || || || || || || || || || ||
CORRECT ANSWER✔✔-The regulator between the service regulator and the
|| || || || || || || || || ||
appliance regulator.From 125-5 psig || || ||
What does a first stage regulator do, and brings it down to what pressure? -
|| || || || || || || || || || || || || ||
CORRECT ANSWER✔✔-It reduces cylinder pressure down to supply line
|| || || || || || || || || ||
pressure.Reduces pressure from 250-375 psig down to 10 psig. || || || || || || || ||
Second stage regulator does what? And brings it down to what pressures? -
|| || || || || || || || || || || || ||
CORRECT ANSWER✔✔-It reduces supply line pressure to building
|| || || || || || || ||
pressure.Pressure reduced from 10 psig down to 11" w.c. || || || || || || || ||
, Corrugated metal gas connector, connected to a range must not exceed -
|| || || || || || || || || || || ||
CORRECT ANSWER✔✔-6ft ||
Black iron pipe 2 1/2 NPS at 150ft long shall be pressure tested to? -
|| || || || || || || || || || || || || || ||
CORRECT ANSWER✔✔-1.5 times the maximum operation pressure for 180
|| || || || || || || || ||
minutes
A manual shut off valve shall be installed - CORRECT ANSWER✔✔-In either
|| || || || || || || || || || || ||
drop of riser of a residential appliance
|| || || || || ||
Buried piping or tubing shall be - CORRECT ANSWER✔✔-Only copper type L
|| || || || || || || || || || || ||
coated, Type G coated, Type K uncoated
|| || || || || ||
Pressure drop - CORRECT ANSWER✔✔-The difference in working pressure at
|| || || || || || || || || ||
the gas meter, and the working pressure at the appliance regulator
|| || || || || || || || || ||
Fittings used of steel piping may be made from? - CORRECT ANSWER✔✔-
|| || || || || || || || || || ||
Malleable iron and steel || || ||
The equivalent length of a 2 1/2 forged tee is? - CORRECT ANSWER✔✔-
|| || || || || || || || || || || ||
9.25ft
What is the maximum spacing of supports for NPS 11/4 inch gas pipe into a
|| || || || || || || || || || || || || ||
home? - CORRECT ANSWER✔✔-10ft
|| || || ||
With Correct Answers
On a pilot what causes a lazy yellow flame? - CORRECT ANSWER✔✔-Dirty
|| || || || || || || || || || || ||
lint screen
||
Primary air opening || ||
Orifice too big || ||
Main functions of a gas regulator? - CORRECT ANSWER✔✔-Reduce and
|| || || || || || || || || ||
maintain downstream pressure.Pressure to appliance can be adjusted.Smooth
|| || || || || || || ||
and even flow.
|| ||
What does the measuring element do? - CORRECT ANSWER✔✔-Measures
|| || || || || || || || ||
downstream pressure. ||
What is the restricting element? - CORRECT ANSWER✔✔-Increases or
|| || || || || || || || ||
decreases gas flow || ||
Loading element does what? - CORRECT ANSWER✔✔-set operating pressure.
|| || || || || || || ||
What is the closing force in a regulator? - CORRECT ANSWER✔✔-The
|| || || || || || || || || || ||
downstream outlet gas pressure || || ||
,What is the function of a regulator vent? - CORRECT ANSWER✔✔-Allow gas
|| || || || || || || || || || || ||
to escape in case of diaphragm rupture or downstream over pressure
|| || || || || || || || || ||
At the leak limiting orifice how much gas is allowed to leak in a one hour
|| || || || || || || || || || || || || || || ||
period? - CORRECT ANSWER✔✔-1 cu ft per hour.
|| || || || || || ||
Surge limiting valve are used where? - CORRECT ANSWER✔✔-Applications
|| || || || || || || || ||
where regulators are required to be slow opening.
|| || || || || || ||
Where is the service regulator located?And used to do what? - CORRECT
|| || || || || || || || || || || ||
ANSWER✔✔-At the end of the utility's pipeline. It's used to reduce supply
|| || || || || || || || || || || ||
pressure to the building pressure.
|| || || ||
Appliance regulators serve what purpose? - CORRECT ANSWER✔✔-The reduce
|| || || || || || || ||
the building pressure to the manifold pressure on the appliance.
|| || || || || || || || || ||
What is the system regulator?And what pressures does it bring it down to? -
|| || || || || || || || || || || || ||
CORRECT ANSWER✔✔-The regulator between the service regulator and the
|| || || || || || || || || ||
appliance regulator.From 125-5 psig || || ||
What does a first stage regulator do, and brings it down to what pressure? -
|| || || || || || || || || || || || || ||
CORRECT ANSWER✔✔-It reduces cylinder pressure down to supply line
|| || || || || || || || || ||
pressure.Reduces pressure from 250-375 psig down to 10 psig. || || || || || || || ||
Second stage regulator does what? And brings it down to what pressures? -
|| || || || || || || || || || || || ||
CORRECT ANSWER✔✔-It reduces supply line pressure to building
|| || || || || || || ||
pressure.Pressure reduced from 10 psig down to 11" w.c. || || || || || || || ||
, Corrugated metal gas connector, connected to a range must not exceed -
|| || || || || || || || || || || ||
CORRECT ANSWER✔✔-6ft ||
Black iron pipe 2 1/2 NPS at 150ft long shall be pressure tested to? -
|| || || || || || || || || || || || || || ||
CORRECT ANSWER✔✔-1.5 times the maximum operation pressure for 180
|| || || || || || || || ||
minutes
A manual shut off valve shall be installed - CORRECT ANSWER✔✔-In either
|| || || || || || || || || || || ||
drop of riser of a residential appliance
|| || || || || ||
Buried piping or tubing shall be - CORRECT ANSWER✔✔-Only copper type L
|| || || || || || || || || || || ||
coated, Type G coated, Type K uncoated
|| || || || || ||
Pressure drop - CORRECT ANSWER✔✔-The difference in working pressure at
|| || || || || || || || || ||
the gas meter, and the working pressure at the appliance regulator
|| || || || || || || || || ||
Fittings used of steel piping may be made from? - CORRECT ANSWER✔✔-
|| || || || || || || || || || ||
Malleable iron and steel || || ||
The equivalent length of a 2 1/2 forged tee is? - CORRECT ANSWER✔✔-
|| || || || || || || || || || || ||
9.25ft
What is the maximum spacing of supports for NPS 11/4 inch gas pipe into a
|| || || || || || || || || || || || || ||
home? - CORRECT ANSWER✔✔-10ft
|| || || ||
