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What are the four main systems of a steam boiler? correct answers Fuel, Draft, Feedwater, and
Steam
What is the first thing an operator should do when entering a steam boiler room? correct answers
Check the water level of the boiler(s)
Describe the design of a firetube boiler correct answers Fire inside the tubes, surrounded by
water
What is the primary purpose of Low Water Fuel Cut-Off (LWCO)? correct answers Shut off the
fuel supply to the boiler in the event of low water
How often should the low water cut-off be tested? correct answers 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? correct answers
Using the Try Cocks
What is sensible heat? correct answers A change in temperature without a change in matter
What unit is used in our industry to measure heat? correct answers BTU's
Describe thermal expansion correct answers 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? correct answers Maintain water level
, What type of heat is a larger exchange of BTU's and results in a change in matter without
changing temperature? correct answers Latent Heat
Which temperature scale is used by the majority of the world? correct answers Celcius
How often, by law, must a boiler be inspected? correct answers Annually
A change in temperature is an example of: correct answers Sensible heat
How many BTU's does it take to change one pound of water into one pound of steam? correct
answers 970.3
What type of heat is a larger exchange of BTU's? correct answers Latent Heat
What is the most common fuel oil used in boilers? correct answers #2
What are the 4 fundamentals of combustion? correct answers Mixture, Atomization, Time,
Temperature
What PH level is ideal in boiler operation? correct answers 10-11.5
Visible black smoke coming from the boiler stack would most likely be an indication of: correct
answers A lack of air in the combustion process
Which type of valve allows the flow of feedwater in one direction only? correct answers Check
Valve
Which two minerals contribute to scale? correct answers Calcium and Magnesium
What are the four main systems of a steam boiler? correct answers Fuel, Draft, Feedwater, and
Steam
What is the first thing an operator should do when entering a steam boiler room? correct answers
Check the water level of the boiler(s)
Describe the design of a firetube boiler correct answers Fire inside the tubes, surrounded by
water
What is the primary purpose of Low Water Fuel Cut-Off (LWCO)? correct answers Shut off the
fuel supply to the boiler in the event of low water
How often should the low water cut-off be tested? correct answers 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? correct answers
Using the Try Cocks
What is sensible heat? correct answers A change in temperature without a change in matter
What unit is used in our industry to measure heat? correct answers BTU's
Describe thermal expansion correct answers 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? correct answers Maintain water level
, What type of heat is a larger exchange of BTU's and results in a change in matter without
changing temperature? correct answers Latent Heat
Which temperature scale is used by the majority of the world? correct answers Celcius
How often, by law, must a boiler be inspected? correct answers Annually
A change in temperature is an example of: correct answers Sensible heat
How many BTU's does it take to change one pound of water into one pound of steam? correct
answers 970.3
What type of heat is a larger exchange of BTU's? correct answers Latent Heat
What is the most common fuel oil used in boilers? correct answers #2
What are the 4 fundamentals of combustion? correct answers Mixture, Atomization, Time,
Temperature
What PH level is ideal in boiler operation? correct answers 10-11.5
Visible black smoke coming from the boiler stack would most likely be an indication of: correct
answers A lack of air in the combustion process
Which type of valve allows the flow of feedwater in one direction only? correct answers Check
Valve
Which two minerals contribute to scale? correct answers Calcium and Magnesium
