(Multi-choice) – Q&A
What is the best way to insulate a flat roof without an air cavity or attic space?
a. Blowing in cellulose insulation
b. Blowing in fiberglass insulation
c. Use a rigid insulation and the roof coating goes not top of the insulation
d. Flat roofs can't be insulated Correct Ans - Use a rigid insulation and
the roof coating goes not top of the insulation
What type of venting is used for this water heater?
a. Atmospheric venting
b. Power venting
c. Direct venting
d. Indirect venting Correct Ans - Atmospheric venting
What type of venting is used for this water heater?
a. Atmospheric venting
b. Power venting
c. Direct venting
d. Indirect venting Correct Ans - Power venting
The function of the silver bullet shaped item on the left of the radiator is:
a. To let air out of the radiator so steam can get in
b. To let steam out of the radiator so that pressure does not build
c. To let condensation out of the radiator
d. Remove pressure Correct Ans - To let air out of the radiator so steam
can get in
What type of heating system is shown?
a. It is a one pipe steam system, shown by the supply pipe on the right and air
vent on the left.
, b. It is a two pipe to water system, 2nd pipe is under the floor c. Not enough
information
d. It is a two steam system Correct Ans - It is a one pipe steam system,
shown by the supply pipe on the right and air vent on the left.
What type of heating system is shown?
a. It is a one pipe steam system shown by the supply vent on the right and the
air vent on the left
b. It is a two pipe hot water system
c. Not enough information
d. It is a two pipe steam system Correct Ans - It is a two pipe hot water
system
What type of heating system is shown?
a. it is a one pipe steam system shown by the supply pipe on the right and air
vent on the left
b. It is a two pipe hot water system
c. Not enough information
d. It is a two pipe steam system Correct Ans - It is a two pipe steam
system
The function of condensate pump and air vent on a steam system is:
a. It helps to move the condensate back to the boiler
b. It keeps the steam system from exploding
c. It keeps the steam at a higher temperature Correct Ans - It helps to
move the condensate back to the boiler
The painted yellow pipe tell us that the fuel source for this commercial boiler
is:
a. #2 fuel oil
b. Electric
c. Jet fuel
d. Natural gas Correct Ans - Natural gas
What type of exhaust fan is pictured?