Worksheets2.3 Steam Boiler Water Column
Total questions: 10
Worksheet time: 5mins
Water begins to boil at approximately ______ degrees F.
0
32
100
212
A low pressure boiler has a MAWP up to ______ psi.
5
15
30
60
The unit of measurement a compound pressure gauge uses to measure pressures below atmospheric pressure is...
inches of mercury
inches of water
pounds per square inch
pounds per square inch gauge
How often should a water column be blown down?
once each shift
daily
weekly
monthly
In low pressure steam boilers, the lowest visible part of the gauge glass must be placed a minimum of _____ above the lowest permissible water level.
1/2 inch
1 inch
3/4 inch
2 inches
The level of the water in a _____ shows the water level in a boiler.
condensate return tank
feedwater tank
gauge glass
blowdown tank
A low pressure steam boiler must have ____ or more gauge glasses to determine the water level in the boiler.
one
two
three
four
A ____ is a pipe fitting with plugs that can be removed that will allow for cleaning and inspection of piping.
baffle
boiler cross tee
vent
diverter fitting
____ is the process of evacuating water and undesirable accumulated material from a boiler or fitting , such as a gauge glass.
foaming
priming
carryover
blowdown
When blowing down the water column, how long should you leave the valve open to allow water and any sludge/sediment to be discharged?
1 week
5-10 seconds
5-10 minutes
30 seconds
