100%
Boiler water analysis - ANSWER The number of blowdowns required is determined by this analysis.
Vacuum Pump - ANSWER 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 - ANSWER Oxygen in the boiler water causes?
100,000 BTU - ANSWER A Therm is equivalent to ______ BTU.
Forced - ANSWER A __ draft fan is located before the furnace.
Surface Blowdown - ANSWER Impurities that increase the Surface tensión of boiler water are removed
with a _____ blowdown.
Reduce Water Turbulence - ANSWER The primary function of the water column on a low pressure boiler
is to_____ _____ ______?
Warming the boiler, Draining the boiler - ANSWER The boiler vent is opened when ___, _____?
Securing fuel to the burner - ANSWER A low water condition requiers ____ immediately.
Prevents heat transfer to boiler water - ANSWER Soot build up on heating surfaces____.
Oxygen is required for the combustion of fuel. - ANSWER True
, A siphon is located between the boiler and steam pressure gauge to prevent water form entering the
Bourdon tube. - ANSWER False (Prevent steam from entering the bourdon tube)
At the NOWL, the gauge glass is approximately half full. - ANSWER True
A low water condition in the boiler can cause overheating of the tubes. - ANSWER True
City water does not require treatment for use in a boiler. - ANSWER False
Steam traps prevent the flow of condensate back to the feedwater pump. - ANSWER False
Clogged fuel oil strainers cause high suction readings. - ANSWER True
Anthracite coal is hard coal. - ANSWER True
Draft can be measured with a manometer. - ANSWER True
Sludge is removed from the boiler with a surface blowdown. - ANSWER False
A deaerator is a boiler water treatment accessory that heats feedwater to the temperature of saturated
steam within the pressure vessel. - ANSWER True
All valves are closed when completing a dry lay-up. - ANSWER True
The boiler room log is used to record boiler operation events. - ANSWER True
Forced circulation hot water heating systems are more common in large buildings than natural
circulation hot water heating systems. - ANSWER True