HVACLICENSE.COM
JUST FOR FUN TEST 3
* Required
____ combustion is combustion that occurs when fuel is burned using only the theoretical amount of air?
Perfect
Incomplete
Complete
None of these
What is the highest pressure in pounds per square inch at which a boiler can be safely be operated?
NOWL
MAWP
ASME
LWEC
When using excessive cold water makeup on a boiler system the water must be _____ to increase efficiency?
Filtered
Vented
Heated
Recirculated
Thermodynamic steam trap opens and closes by?
Float
Sensor
Movable Disc
Bellows
If water is comes out of the top try cock, what action should be taken?
Stop the boiler
Shut off the fuel
Carefully blow down the boiler
Start the feed water pump
Who would typically oversee the repairs to a boiler system?
EPA
OSHA
Local Boiler Pressure Vessel Code Officials
Fire Board
A low water cutoff does what?
Shuts the burner down
Increases steam pressure control
Adds water
Purges non condensables out of the boiler
Boilers are chemically treated for what reason?
Prevent over pressure
Prevent low pressure
Prevent formation of scale
None of the above
Condensate build up in steam lines causing what?
This is normal and causes no problems
Water hammer
Foaming
Loss of efficiency
A cause of steam not flowing may be?
Strainer Clogged
Thermostat element in float trap not functioning
End of the steam main trap broken
All of the above
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