SPECIAL BOILERS LICENSING TEST
QUESTIONS & ANSWERS!!
The number of blowdowns required is determined by_____________. -
ANSWERboiler water analysis
A ____________ pump is a boiler accessory used to draw condensate back from the
system by producing a negative pressure on the condensate return lines. -
ANSWERvacuum
Oxygen in the boiler water causes ________. - ANSWERpitting
A therm is equivalent to _________ Btu. - ANSWER100,000
A(n) _________ draft fan is located before the furnace. - ANSWERforced
Impurities that increase the surface tension of boiler water are removed with a
__________ blowdown. - ANSWERsurface
The primary function of the water column on a low pressure boiler is to
____________. - ANSWERreduce water turbulence
The boiler vent is opened when____________. - ANSWERwarming and draining the
boiler
A low water condition requires ______________ immediately. - ANSWERsecuring
fuel to the burner
Soot buildup on heating surfaces __________. - ANSWERprevents heat transfer to
boiler water
Oxygen is required for the combustion of fuel. - ANSWERTrue
A siphon is located between the boiler and steam pressure gauge to prevent water
from entering the Bourdon tube. - ANSWERFalse
At the NOWL, the gauge glass is approximately half full. - ANSWERTrue
A low water condition in the boiler can cause overheating of the tubes. -
ANSWERTrue
A boiler has quick-and slow-opening blowdown valves. The sequence used for
blowdown is ___________. - ANSWERopen quick-opening, open slow-opening,
close slow-opening, close quick-opening
The most important boiler fitting is the __________. - ANSWERsafety valve
, The valve with the least amount of restriction is the ________ valve. - ANSWERgate
For low pressure steam boilers, the capacity of the safety valve must be large
enough that the boiler pressure cannot rise more than _______ above the MAWP. -
ANSWER5 psi
Flame safeguard systems can monitor _________. - ANSWERpilot and main flame
City water does not require treatment for use in boilers. - ANSWERFalse
Steam traps prevent the flow of condensate back to the feed-water pumps. -
ANSWERFalse
Clogged fuel oil strainers cause high suction readings. - ANSWERTrue
A safety data sheet is printed material used to relay chemical hazard information
from the manufacturer, importer, or distributor. - ANSWERTrue
Draft can be measured with manometer. - ANSWERTrue
Sludge is removed from the boiler with a surface blowdown. - ANSWERFalse
A deaerator is a boiler water treatment accessory that heats feedwater to the
temperature of saturated steam within the pressure vessel. - ANSWERTrue
All valves are closed when completing a dry lay-up. - ANSWERTrue
The boiler room log is used to record boiler operations events. - ANSWERTrue
Forced circulation hot water heating systems are more common in large buildings
than natural circulation hot water heating systems. - ANSWERTrue
The pressure reducing valve in a hot water heating system regulates the pressure of
water returning from heating units. - ANSWERFalse
A boiler is an open vessel in which water is transformed into steam under pressure
by application of heat. - ANSWERFalse
An HRT boiler is a watertube boiler - ANSWERFalse
In a watertube boiler, the ______________ pass(es) through the tubes and the
____________ pass(es) across the surface of the tubes. -
ANSWERwater;combustion gases
The three most common fuels used in steam production are _____________. -
ANSWERnatural gas, fuel oil, and propane
In a natural draft furnace, the amount of draft is affected by the height of the stack. -
ANSWERTrue
QUESTIONS & ANSWERS!!
The number of blowdowns required is determined by_____________. -
ANSWERboiler water analysis
A ____________ pump is a boiler accessory used to draw condensate back from the
system by producing a negative pressure on the condensate return lines. -
ANSWERvacuum
Oxygen in the boiler water causes ________. - ANSWERpitting
A therm is equivalent to _________ Btu. - ANSWER100,000
A(n) _________ draft fan is located before the furnace. - ANSWERforced
Impurities that increase the surface tension of boiler water are removed with a
__________ blowdown. - ANSWERsurface
The primary function of the water column on a low pressure boiler is to
____________. - ANSWERreduce water turbulence
The boiler vent is opened when____________. - ANSWERwarming and draining the
boiler
A low water condition requires ______________ immediately. - ANSWERsecuring
fuel to the burner
Soot buildup on heating surfaces __________. - ANSWERprevents heat transfer to
boiler water
Oxygen is required for the combustion of fuel. - ANSWERTrue
A siphon is located between the boiler and steam pressure gauge to prevent water
from entering the Bourdon tube. - ANSWERFalse
At the NOWL, the gauge glass is approximately half full. - ANSWERTrue
A low water condition in the boiler can cause overheating of the tubes. -
ANSWERTrue
A boiler has quick-and slow-opening blowdown valves. The sequence used for
blowdown is ___________. - ANSWERopen quick-opening, open slow-opening,
close slow-opening, close quick-opening
The most important boiler fitting is the __________. - ANSWERsafety valve
, The valve with the least amount of restriction is the ________ valve. - ANSWERgate
For low pressure steam boilers, the capacity of the safety valve must be large
enough that the boiler pressure cannot rise more than _______ above the MAWP. -
ANSWER5 psi
Flame safeguard systems can monitor _________. - ANSWERpilot and main flame
City water does not require treatment for use in boilers. - ANSWERFalse
Steam traps prevent the flow of condensate back to the feed-water pumps. -
ANSWERFalse
Clogged fuel oil strainers cause high suction readings. - ANSWERTrue
A safety data sheet is printed material used to relay chemical hazard information
from the manufacturer, importer, or distributor. - ANSWERTrue
Draft can be measured with manometer. - ANSWERTrue
Sludge is removed from the boiler with a surface blowdown. - ANSWERFalse
A deaerator is a boiler water treatment accessory that heats feedwater to the
temperature of saturated steam within the pressure vessel. - ANSWERTrue
All valves are closed when completing a dry lay-up. - ANSWERTrue
The boiler room log is used to record boiler operations events. - ANSWERTrue
Forced circulation hot water heating systems are more common in large buildings
than natural circulation hot water heating systems. - ANSWERTrue
The pressure reducing valve in a hot water heating system regulates the pressure of
water returning from heating units. - ANSWERFalse
A boiler is an open vessel in which water is transformed into steam under pressure
by application of heat. - ANSWERFalse
An HRT boiler is a watertube boiler - ANSWERFalse
In a watertube boiler, the ______________ pass(es) through the tubes and the
____________ pass(es) across the surface of the tubes. -
ANSWERwater;combustion gases
The three most common fuels used in steam production are _____________. -
ANSWERnatural gas, fuel oil, and propane
In a natural draft furnace, the amount of draft is affected by the height of the stack. -
ANSWERTrue
