P99 LOW PRESSURE BOILERS
EXAM AND ITS CORRECT RESPONSES
The number of blowdowns required determined by___
Boiler 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.
Vacuum
Oxygen in the boiler water causes___
Pitting
A therm is equivalent to ____Btu
100,000
A (n) ___draft fan is located before the furnace.
Forced
Impurities that increase the surface tension of boiler
water are removed with a ____ blowdown.
surface
The primary function of the water column on low
pressure boiler is to ___
Reduce water turbulence (C)
The boiler vent is opened when___
B. Warning the boiler
C. Draining the boiler
A low water condition requires ____ immediately.
Securing fuel to the burner (D)
Soot buildup on heating surfaces___
prevents heat transfer to boiler water
oxygen is required for the combustion of fuel.
, True
A siphon is located between the boiler and steam
pressure gauge to prevent water from entering the
Bourbon tube.
False
A 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
A safety data sheet printed materiel used to relay
chemical hazard information from the manufacturer,
importer, or distributor.
True
Draft can be measured with manometer.
True
Sludge is removed from the boiler with a surface
blowdown.
False
EXAM AND ITS CORRECT RESPONSES
The number of blowdowns required determined by___
Boiler 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.
Vacuum
Oxygen in the boiler water causes___
Pitting
A therm is equivalent to ____Btu
100,000
A (n) ___draft fan is located before the furnace.
Forced
Impurities that increase the surface tension of boiler
water are removed with a ____ blowdown.
surface
The primary function of the water column on low
pressure boiler is to ___
Reduce water turbulence (C)
The boiler vent is opened when___
B. Warning the boiler
C. Draining the boiler
A low water condition requires ____ immediately.
Securing fuel to the burner (D)
Soot buildup on heating surfaces___
prevents heat transfer to boiler water
oxygen is required for the combustion of fuel.
, True
A siphon is located between the boiler and steam
pressure gauge to prevent water from entering the
Bourbon tube.
False
A 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
A safety data sheet printed materiel used to relay
chemical hazard information from the manufacturer,
importer, or distributor.
True
Draft can be measured with manometer.
True
Sludge is removed from the boiler with a surface
blowdown.
False
