P99 LOW PRESSURE BOILER
EXAM AND ITS CORRECT RESPONSES
Boiler water analysis
The number of blowdowns required is determined by this
analysis.
Vacuum Pump
A ______ pump is a boiler accessory uses to draw
condensate back from the system by producing a negative
pressure on the condensate return line.
Pitting
Oxygen in the boiler water causes?
100,000 BTU
A Therm is equivalent to ______ BTU.
Forced
A __ draft fan is located before the furnace.
Surface Blowdown
Impurities that increase the Surface tensión of boiler water
are removed with a _____ blowdown.
Reduce Water Turbulence
The primary function of the water column on a low
pressure boiler is to_____ _____ ______?
Warming the boiler, Draining the boiler
The boiler vent is opened when ___, _____?
Securing fuel to the burner
A low water condition requiers ____ immediately.
Prevents heat transfer to boiler water
Soot build up on heating surfaces____.
Oxygen is required for the combustion of fuel.
, True
A siphon is located between the boiler and steam
pressure gauge to prevent water form entering the
Bourdon tube.
False (Prevent steam from entering the bourdon tube)
At the NOWL, the gauge glass is approximately half
full.
True
A low water condition in the boiler can cause
overheating of the tubes.
True
City water does not require treatment for use in a
boiler.
False
Steam traps prevent the flow of condensate back to
the feedwater pump.
False
Clogged fuel oil strainers cause high suction
readings.
True
Anthracite coal is hard coal.
True
Draft can be measured with a manometer.
True
Sludge is removed from the boiler with a surface
blowdown.
False
A deaerator is a boiler water treatment accessory that
heats feedwater to the temperature of saturated steam
within the pressure vessel.
True
EXAM AND ITS CORRECT RESPONSES
Boiler water analysis
The number of blowdowns required is determined by this
analysis.
Vacuum Pump
A ______ pump is a boiler accessory uses to draw
condensate back from the system by producing a negative
pressure on the condensate return line.
Pitting
Oxygen in the boiler water causes?
100,000 BTU
A Therm is equivalent to ______ BTU.
Forced
A __ draft fan is located before the furnace.
Surface Blowdown
Impurities that increase the Surface tensión of boiler water
are removed with a _____ blowdown.
Reduce Water Turbulence
The primary function of the water column on a low
pressure boiler is to_____ _____ ______?
Warming the boiler, Draining the boiler
The boiler vent is opened when ___, _____?
Securing fuel to the burner
A low water condition requiers ____ immediately.
Prevents heat transfer to boiler water
Soot build up on heating surfaces____.
Oxygen is required for the combustion of fuel.
, True
A siphon is located between the boiler and steam
pressure gauge to prevent water form entering the
Bourdon tube.
False (Prevent steam from entering the bourdon tube)
At the NOWL, the gauge glass is approximately half
full.
True
A low water condition in the boiler can cause
overheating of the tubes.
True
City water does not require treatment for use in a
boiler.
False
Steam traps prevent the flow of condensate back to
the feedwater pump.
False
Clogged fuel oil strainers cause high suction
readings.
True
Anthracite coal is hard coal.
True
Draft can be measured with a manometer.
True
Sludge is removed from the boiler with a surface
blowdown.
False
A deaerator is a boiler water treatment accessory that
heats feedwater to the temperature of saturated steam
within the pressure vessel.
True
