JUST FOR FUN TEST 3
____ combustion is combustion that occurs when fuel is burned using only the theoretical amount of air?
None of these
What is the highest pressure in pounds per square inch at which a boiler can be safely be operated?
When using excessive cold water makeup on a boiler system the water must be _____ to increase efficiency?
Thermodynamic steam trap opens and closes by?
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?
Local Boiler Pressure Vessel Code Officials
A low water cutoff does what?
Shuts the burner down
Increases steam pressure control
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
Loss of efficiency
A cause of steam not flowing may be?
Thermostat element in float trap not functioning
End of the steam main trap broken
All of the above
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