Power Engineering - 4B11 Practice Questions And Answers Rated A
are often used to aid the return of condensate
through the return piping of large complexes.
a. Boiler feed pumps c. Vacuum pumps
b. Vacuum injectors
c. Vacuum pumps
d. Vacuum breakers
In an internally fired, gas-fired infrared heater, the surface
temperature is about:
a. 760C b. 400C
b. 400C
c. 900C
d. 980C
In extremely cold climates, it may be necessary to
in an HVAC system.
a. Close the outdoor air dampers b. Install two separate pre-heat coils
b. Install two separate pre-heat coils
c. Heat the dampers
d. Spray warm glycol on the hot water coils
One of the advantages of forced circulation heating sys-
tems, in comparison to gravity heating systems, is:
a. Larger pipes can be used b. Smaller diameter pipes can be used
b. Smaller diameter pipes can be used
c. Lower cost
d. Reduced energy consumption
One of the advantages of the radiant panel hot water
heating system over the conventional heating system is:
, Power Engineering - 4B11 Practice Questions And Answers Rated A
a. Radiant panel heating systems require less piping
b. Radiant panel heating systems provide less resistance
to water flow d. Radiant heat panels distribute heat more evenly
c. Radiant panel systems are lower in cost throughout the room
d. Radiant heat panels distribute heat more evenly
throughout the room
When starting up a steam heating boiler, it should be filled
to:
a. The maximum level b. Just above the LWCO cut in point
b. Just above the LWCO cut in point
c. 1/2 of the gauge glass
d. The bottom of the gauge glass
Infrared heaters send out heat energy in the form
of invisible infrared waves that travel in straight lines
through the air.
c. Radiant
a. Convective
b. Conductive
c. Radiant
d. Microwave
One of the advantages of hot water heating compared to
steam heating is:
a. Hot water boilers are more fuel eflcient
b. Hot water systems have lower maintenance costs
b. Hot water systems have lower maintenance costs
c. Hot water systems do not require water treatment
d. Constant radiator temperature is easier to maintain in
a hot water system
When air is forced through a heating unit that contains
both a fan and a coil, the unit is called:
are often used to aid the return of condensate
through the return piping of large complexes.
a. Boiler feed pumps c. Vacuum pumps
b. Vacuum injectors
c. Vacuum pumps
d. Vacuum breakers
In an internally fired, gas-fired infrared heater, the surface
temperature is about:
a. 760C b. 400C
b. 400C
c. 900C
d. 980C
In extremely cold climates, it may be necessary to
in an HVAC system.
a. Close the outdoor air dampers b. Install two separate pre-heat coils
b. Install two separate pre-heat coils
c. Heat the dampers
d. Spray warm glycol on the hot water coils
One of the advantages of forced circulation heating sys-
tems, in comparison to gravity heating systems, is:
a. Larger pipes can be used b. Smaller diameter pipes can be used
b. Smaller diameter pipes can be used
c. Lower cost
d. Reduced energy consumption
One of the advantages of the radiant panel hot water
heating system over the conventional heating system is:
, Power Engineering - 4B11 Practice Questions And Answers Rated A
a. Radiant panel heating systems require less piping
b. Radiant panel heating systems provide less resistance
to water flow d. Radiant heat panels distribute heat more evenly
c. Radiant panel systems are lower in cost throughout the room
d. Radiant heat panels distribute heat more evenly
throughout the room
When starting up a steam heating boiler, it should be filled
to:
a. The maximum level b. Just above the LWCO cut in point
b. Just above the LWCO cut in point
c. 1/2 of the gauge glass
d. The bottom of the gauge glass
Infrared heaters send out heat energy in the form
of invisible infrared waves that travel in straight lines
through the air.
c. Radiant
a. Convective
b. Conductive
c. Radiant
d. Microwave
One of the advantages of hot water heating compared to
steam heating is:
a. Hot water boilers are more fuel eflcient
b. Hot water systems have lower maintenance costs
b. Hot water systems have lower maintenance costs
c. Hot water systems do not require water treatment
d. Constant radiator temperature is easier to maintain in
a hot water system
When air is forced through a heating unit that contains
both a fan and a coil, the unit is called:
