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Revision Examination Tests
“Come all for this Greatness”
... 100% Correct Ans ...
HEATING BOILER & HEATING SYSTEM CONTROLS (CH. 104-109)
TEST 2024-2025 ACTUAL EXAM COMPLETE 200-
QUESTIONS AND CORRECT DETAILED ANSWERS
Heating plants with multiple boilers often have:
A) Independent boiler feedwater controls
B) Individual feedwater systems
C) Problems controlling water level
D) Separate condensate receivers
E) A common feedwater control valve
Ans: a
Quiz The Hartford loop will:
A) Only be installed on multiple-boiler systems
B) Ensure continuous circulation of a hot water system
C) Prevent steam from entering a steam pressure gage
D) Prevent boiler water level from going below the lowest safe water level
E) Replace the feedwater check valve
Ans: d
Quiz When a boiler equipped with a combination feedwater control and low water
cutoff device shuts down due to a low water condition:
A) The feedwater flow will also stop
B) The level must be restored to above the cutoff line before the unit can be
restarted
C) It can be restarted by pressing the manual reset
D) The operator must open the feeder valves to allow water into the boiler
E) The condensate pump must be restarted
Ans: b
Quiz An electric boiler feedwater valve will:
A) Eliminate the need for a second low-water fuel cutoff
B) Prevent low-water conditions
,C) Open before the low-water cutoff operates
D) Require manual action to open
E) Open if the boiler trips due to low water
Ans: c
Quiz Because of variations in flow rate, nearly all large steam heating plants utilize:
A) Fully modulating burners
B) A deaerator
C) A condensate receiver
D) Multiple boilers
E) Steam pressure, regulating valves
Ans: c
Quiz Neutralizing amines:
A) Raise the pH of condensate
B) Lower the pH of boiler water
C) Eliminate boiler pitting
D) Can cause return grooving
E) Absorb carbon dioxide
Ans: a
Quiz The result of a condensate receiver that is too small could be:
A) High boiler water level
B) Loss of condensate to the sewer
C) Loss of make-up water
D) Unacceptable high steam pressures
E) Low make-up water flow rates
Ans: b
Quiz A float operated mechanical feeder valve in a secondary feedwater supply
should:
a. Be a normally closed valve.
b. Open just after the low-water cutoff switch opens.
c. Be located above the water column.
d. Not open until the level is well below the feed pump cut-in level.
e. Not be deemed a stand-by device
Ans: d. Not open until the level is well below the feed pump cut-in level.
ch. 104 - pg. 8
Quiz Dissolved oxygen in condensate:
A) Will cause pitting in a boiler
B) Can cause pitting on the return lines
C) Causes grooving of the condensate lines
D) Is removed with amines
E) Necessitates the installation of a deaerator
, Ans: a
Quiz 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.
A) Two hour
B) One and one half hour
C) One hour
D) 45 minute
E) 20 to 30 minute
Ans: e
Quiz The feedwater supply to most steam heating boilers is controlled by a
______________.
A) flow switch
B) float switch
C) differential pressure switch
D) drum level switch
E) cut-off switch
Ans: b
Quiz In nearly all LP steam heating systems the feedwater:
A) Is usually condensate
B) Requires daily close scrutiny of chemical values
C) Contains a high percentage of makeup water
D) Is deaerated
E) Is softened
Ans: a
Quiz A condensate receiver low level cutoff switch will:
A) Open a make-up solenoid
B) Stop the feed pump thereby preventing damage to it
C) Shut off the boiler
D) Sound an alarm
E) Cause the make-up valve to close
Ans: b
Quiz A feedwater make-up system should
A) utilize demineralizers
B) utilize a deaerator
C) be able to satisfy normal firing needs
D) always be softened water
E) be able to satisfy the needs of at least one boiler in a
multi-boiler plant
Revision Examination Tests
“Come all for this Greatness”
... 100% Correct Ans ...
HEATING BOILER & HEATING SYSTEM CONTROLS (CH. 104-109)
TEST 2024-2025 ACTUAL EXAM COMPLETE 200-
QUESTIONS AND CORRECT DETAILED ANSWERS
Heating plants with multiple boilers often have:
A) Independent boiler feedwater controls
B) Individual feedwater systems
C) Problems controlling water level
D) Separate condensate receivers
E) A common feedwater control valve
Ans: a
Quiz The Hartford loop will:
A) Only be installed on multiple-boiler systems
B) Ensure continuous circulation of a hot water system
C) Prevent steam from entering a steam pressure gage
D) Prevent boiler water level from going below the lowest safe water level
E) Replace the feedwater check valve
Ans: d
Quiz When a boiler equipped with a combination feedwater control and low water
cutoff device shuts down due to a low water condition:
A) The feedwater flow will also stop
B) The level must be restored to above the cutoff line before the unit can be
restarted
C) It can be restarted by pressing the manual reset
D) The operator must open the feeder valves to allow water into the boiler
E) The condensate pump must be restarted
Ans: b
Quiz An electric boiler feedwater valve will:
A) Eliminate the need for a second low-water fuel cutoff
B) Prevent low-water conditions
,C) Open before the low-water cutoff operates
D) Require manual action to open
E) Open if the boiler trips due to low water
Ans: c
Quiz Because of variations in flow rate, nearly all large steam heating plants utilize:
A) Fully modulating burners
B) A deaerator
C) A condensate receiver
D) Multiple boilers
E) Steam pressure, regulating valves
Ans: c
Quiz Neutralizing amines:
A) Raise the pH of condensate
B) Lower the pH of boiler water
C) Eliminate boiler pitting
D) Can cause return grooving
E) Absorb carbon dioxide
Ans: a
Quiz The result of a condensate receiver that is too small could be:
A) High boiler water level
B) Loss of condensate to the sewer
C) Loss of make-up water
D) Unacceptable high steam pressures
E) Low make-up water flow rates
Ans: b
Quiz A float operated mechanical feeder valve in a secondary feedwater supply
should:
a. Be a normally closed valve.
b. Open just after the low-water cutoff switch opens.
c. Be located above the water column.
d. Not open until the level is well below the feed pump cut-in level.
e. Not be deemed a stand-by device
Ans: d. Not open until the level is well below the feed pump cut-in level.
ch. 104 - pg. 8
Quiz Dissolved oxygen in condensate:
A) Will cause pitting in a boiler
B) Can cause pitting on the return lines
C) Causes grooving of the condensate lines
D) Is removed with amines
E) Necessitates the installation of a deaerator
, Ans: a
Quiz 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.
A) Two hour
B) One and one half hour
C) One hour
D) 45 minute
E) 20 to 30 minute
Ans: e
Quiz The feedwater supply to most steam heating boilers is controlled by a
______________.
A) flow switch
B) float switch
C) differential pressure switch
D) drum level switch
E) cut-off switch
Ans: b
Quiz In nearly all LP steam heating systems the feedwater:
A) Is usually condensate
B) Requires daily close scrutiny of chemical values
C) Contains a high percentage of makeup water
D) Is deaerated
E) Is softened
Ans: a
Quiz A condensate receiver low level cutoff switch will:
A) Open a make-up solenoid
B) Stop the feed pump thereby preventing damage to it
C) Shut off the boiler
D) Sound an alarm
E) Cause the make-up valve to close
Ans: b
Quiz A feedwater make-up system should
A) utilize demineralizers
B) utilize a deaerator
C) be able to satisfy normal firing needs
D) always be softened water
E) be able to satisfy the needs of at least one boiler in a
multi-boiler plant
