Page 1 of 144
TSSA G2 EXAM GASTECHNICIAN NEWEST
2025/2026 COMPLETE 350 QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW VERSION!
What is the normal supply air volume for forced air furnaces in cfm.
a) 500
b) 600
c) 700
d) 800 .....answer.....C
169. What is the normal return air requirements for forced air furnaces?
a) 700
b) 800
c) 900
d) 1000 .....answer.....C
Heat Conduction is:
a) Heat transfer through solid objects
,Page 2 of 144
b) Heat transfer through fluids
c) A wave form of heat transfer
d) A form of latent heat transfer. .....answer.....A
Radiant heat is:
a) Heat transfer through solid objects
b) Heat transfer through fluids
c) A wave form of heat transfer
d) A form of latent heat transfer. .....answer.....c
A British Thermal Unit is the amount of heat required to:
a) Raise the temperature of one pound of water by one degree Fahrenheit.
b) Raise the temperature of one pound of a substance by one degree
Fahrenheit.
c) Change one pound of a substance from a liquid to a vapour.
,Page 3 of 144
d) Change one pound of ice to water at 32 degrees Fahrenheit. .....answer.....A
If the fan compartment door of an appliance is left off the motor:
a) Voltage will decrease
b) Voltage will increase
c) Current will decrease
d) Current will increase. .....answer.....D
In order to prevent condensation from forming on the outside of a duct, the
duct must be:
a) Insulated on the inside
b) Insulated on the outside
, Page 4 of 144
c) Connected with a flex connector
d) Wrapped with a moisture barrier. .....answer.....B
Air filtration devices are generally located in the:
a) Supply air plenum
b) Fresh air plenum
c) Return air plenum
d) Exhaust air plenum .....answer.....C
A domestic air conditioner, what is the minimum supply air in CFM per ton
of cooling required?
a) 250
b) 300
c) 400
d) 450. .....answer.....C
TSSA G2 EXAM GASTECHNICIAN NEWEST
2025/2026 COMPLETE 350 QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS)
|ALREADY GRADED A+||BRAND NEW VERSION!
What is the normal supply air volume for forced air furnaces in cfm.
a) 500
b) 600
c) 700
d) 800 .....answer.....C
169. What is the normal return air requirements for forced air furnaces?
a) 700
b) 800
c) 900
d) 1000 .....answer.....C
Heat Conduction is:
a) Heat transfer through solid objects
,Page 2 of 144
b) Heat transfer through fluids
c) A wave form of heat transfer
d) A form of latent heat transfer. .....answer.....A
Radiant heat is:
a) Heat transfer through solid objects
b) Heat transfer through fluids
c) A wave form of heat transfer
d) A form of latent heat transfer. .....answer.....c
A British Thermal Unit is the amount of heat required to:
a) Raise the temperature of one pound of water by one degree Fahrenheit.
b) Raise the temperature of one pound of a substance by one degree
Fahrenheit.
c) Change one pound of a substance from a liquid to a vapour.
,Page 3 of 144
d) Change one pound of ice to water at 32 degrees Fahrenheit. .....answer.....A
If the fan compartment door of an appliance is left off the motor:
a) Voltage will decrease
b) Voltage will increase
c) Current will decrease
d) Current will increase. .....answer.....D
In order to prevent condensation from forming on the outside of a duct, the
duct must be:
a) Insulated on the inside
b) Insulated on the outside
, Page 4 of 144
c) Connected with a flex connector
d) Wrapped with a moisture barrier. .....answer.....B
Air filtration devices are generally located in the:
a) Supply air plenum
b) Fresh air plenum
c) Return air plenum
d) Exhaust air plenum .....answer.....C
A domestic air conditioner, what is the minimum supply air in CFM per ton
of cooling required?
a) 250
b) 300
c) 400
d) 450. .....answer.....C
