Boiler operators are responsible for maintaining heating systems in large buildings in the boiler, engine, and mechanical rooms. The Boiler Operator 3rd-test below covers 3-4 blue book is designed to help you understand your class work more and prepare you for the upcoming exam. Give it a shot!
Regulates steam flow
Ignites the fuel oil
Ensures that the gas pilot is lighted
Measures heat in the boiler
100
1000
3000
5000
Sulphite
Sulphate
Caustic soda
Softened feedwater
Alkaline
Acidic
Neutral
Hard
Has a brick setting
Has a cylindrical internal furnace
Is externally fired
Has waterwalls
Ensures the primary air fan is functioning
Controls the secondary air damper
Controls the boiler operating range
Controls the boiler water temperature
Daily
Weekly
Monthly
Yearly
0
3.5
7
14
Delivers higher quality steam to the header
Distributes feedwater the length of the drum
Prevents water hammer
Agitates the water in the steam and water drum
Maintain at least 15% CO in gases of combustion
Completely burn fuel supplied to the burner
Prevent the boiler from overheating
Maintain high levels of excess air in gases of combustion
Pyrometer
Hydrometer
Manometer
Potentiometer
CO2 in gases of combustion
Smoke density
Flame failure
Steam quality
Beta rays
Heat
Pilot and main flame
X rays
Steam starts to come out of the boiler
The steam pressure gauge reads 25 psi
The steam pressure gauge reads 35 psi
The boiler goes on-line
75
80
85
90
A bag to develop
A draft loss
Overheating of the breeching
Lowering of the chimney temperature
Increase boiler heating surface
Act as stays for tube sheets
Allow the operator to blow down while steaming
Help control water circulation
Supersaturated
Saturated
Superheated
Steam temperature cannot exceed 212*F
Changes a substance's state but not its temperature
Changes a substances's temperature and its state
Changes a substance's temperature but not its state
Is 970.3 Btu/lb of steam
15
100
125
200
Give the boiler a bottom blowdown
Blow down the gauge glass
Lower the steam pressure
Check the log sheet
Allow for expansion and contraction
Prevent water from entering the pressure gauge
Protect the pressure gauge from high steam pressure
Prevent steam from entering the pressure gauge
50
500
5,000
50,000
Priming
Foaming
Pitting
Scale
100
125
150
200