Complete Questions And Correct Detailed
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What are the four main systems of a steam boiler? - Fuel, Draft, Feedwater, and Steam
What is the first thing an operator should do when entering a steam boiler room? -
Check the water level of the boiler(s)
Describe the design of a firetube boiler - Fire inside the tubes, surrounded by water
What is the primary purpose of Low Water Fuel Cut-Off (LWCO)? - Shut off the fuel
supply to the boiler in the event of low water
, What is sensible heat? - A change in temperature without a change in matter
What unit is used in our industry to measure heat? - BTU's
Describe thermal expansion - The tendency of matter to change in volume in response
to a change in temperature
What is the most important rule of safe boiler operation? - Maintain water level
What type of heat is a larger exchange of BTU's and results in a change in matter
without changing temperature? - Latent Heat
Which temperature scale is used by the majority of the world? - Celcius
How often, by law, must a boiler be inspected? - Annually
A change in temperature is an example of: - Sensible heat
How many BTU's does it take to change one pound of water into one pound of steam? -
970.3
What type of heat is a larger exchange of BTU's? - Latent Heat
How often should the low water cut-off be tested? - Once per day by law. Once per shift
is best practice.
What is an alternative way to verify water level without using the gauge glass? - Using
the Try Cocks
What is the most common fuel oil used in boilers? - #2
What are the 4 fundamentals of combustion? - Mixture, Atomization, Time, Temperature
What PH level is ideal in boiler operation? - 10-11.5
Visible black smoke coming from the boiler stack would most likely be an indication of: -
A lack of air in the combustion process