Power Engineering 4a - Unit 12 -
Elements of a boiler system Exam
Questions & Answers (Grade A+)
Carbon that is not combined with hydrogen is referred to as:
Select one:
a. Mono-carbon
b. Separated carbon
c. Free carbon
d. Fixed carbon -
correct answer ✅D
As a general rule the size of the condensate receiver should be
large enough to hold a volume of condensate equal to the water
evaporated by the boiler in a _____ period.
Select one:
a. One and one half hour
b. One hour
c. 45 minute
d. 20 to 30 minute -
correct answer ✅D
Soot blowers are essential equipment on a boiler fired with:
,Power Engineering 4a - Unit 12 -
Elements of a boiler system Exam
Questions & Answers (Grade A+)
Select one:
a. Natural gas
b. Solid fuels
c. Propane
d. Butane -
correct answer ✅B
The power requirements for the FD fan of a fluidized bed boiler are
______ times _______ than other boiler designs?
Select one:
a. 4, more
b. 1.5, less
c. 3, more
d. 1.5, more -
correct answer ✅C
Inlet damper control on a fan:
Select one:
a. Is far less complicated than outlet damper control.
,Power Engineering 4a - Unit 12 -
Elements of a boiler system Exam
Questions & Answers (Grade A+)
b. Is only used on forced draft fans.
c. Requires less power to drive the fan at reduced loads.
d. Requires more power to drive the fan when the vanes are closed.
-
correct answer ✅C
Heating plants with multiple boilers may have:
Select one:
a. A common feedwater control valve
b. Separate condensate receivers
c. Individual feedwater systems
d. Independent boiler feedwater controls -
correct answer ✅D
The _______ fan blows combustion air into the wind box of a boiler.
Select one:
a. Balanced draft
b. Forced draft
c. Induced draft
, Power Engineering 4a - Unit 12 -
Elements of a boiler system Exam
Questions & Answers (Grade A+)
d. High pressure -
correct answer ✅B
Combustion of fuel in a boiler furnace:
Select one:
a. Requires a higher air-fuel ratio than a diesel engine
b. Should occur with a minimum of excess air
c. Is perfect when the stack gases are free of moisture
d. Requires mechanical draft -
correct answer ✅B
A modulating pressure atomizer has its return oil flow regulated by:
Select one:
a. A pressure regulator
b. A solenoid valve in the return line
c. A firing rate control valve in the return line
d. A modulating valve to the burner -
correct answer ✅C
Elements of a boiler system Exam
Questions & Answers (Grade A+)
Carbon that is not combined with hydrogen is referred to as:
Select one:
a. Mono-carbon
b. Separated carbon
c. Free carbon
d. Fixed carbon -
correct answer ✅D
As a general rule the size of the condensate receiver should be
large enough to hold a volume of condensate equal to the water
evaporated by the boiler in a _____ period.
Select one:
a. One and one half hour
b. One hour
c. 45 minute
d. 20 to 30 minute -
correct answer ✅D
Soot blowers are essential equipment on a boiler fired with:
,Power Engineering 4a - Unit 12 -
Elements of a boiler system Exam
Questions & Answers (Grade A+)
Select one:
a. Natural gas
b. Solid fuels
c. Propane
d. Butane -
correct answer ✅B
The power requirements for the FD fan of a fluidized bed boiler are
______ times _______ than other boiler designs?
Select one:
a. 4, more
b. 1.5, less
c. 3, more
d. 1.5, more -
correct answer ✅C
Inlet damper control on a fan:
Select one:
a. Is far less complicated than outlet damper control.
,Power Engineering 4a - Unit 12 -
Elements of a boiler system Exam
Questions & Answers (Grade A+)
b. Is only used on forced draft fans.
c. Requires less power to drive the fan at reduced loads.
d. Requires more power to drive the fan when the vanes are closed.
-
correct answer ✅C
Heating plants with multiple boilers may have:
Select one:
a. A common feedwater control valve
b. Separate condensate receivers
c. Individual feedwater systems
d. Independent boiler feedwater controls -
correct answer ✅D
The _______ fan blows combustion air into the wind box of a boiler.
Select one:
a. Balanced draft
b. Forced draft
c. Induced draft
, Power Engineering 4a - Unit 12 -
Elements of a boiler system Exam
Questions & Answers (Grade A+)
d. High pressure -
correct answer ✅B
Combustion of fuel in a boiler furnace:
Select one:
a. Requires a higher air-fuel ratio than a diesel engine
b. Should occur with a minimum of excess air
c. Is perfect when the stack gases are free of moisture
d. Requires mechanical draft -
correct answer ✅B
A modulating pressure atomizer has its return oil flow regulated by:
Select one:
a. A pressure regulator
b. A solenoid valve in the return line
c. A firing rate control valve in the return line
d. A modulating valve to the burner -
correct answer ✅C
