In any hydronic heating or cooling system valves fail in specific ways. Which of the answers below correctly describes a valve in a cooling application, it's stem 100% pushed down, in a failed position?
The terms used for describing heat transfer are used frequently within the steamfitter trade. Which of the terms below would best be described as no change in temperature, but a change in state when heat is applied to a material?
Valves are an integral part of any heating system. Which of the valve types below would be best used as an isolation valve?
There are a variety of types and styles of boilers. Which one of the boiler types below would be used for both domestic hot water and heating?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "A boiler which requires consistent flow of water to operate normally."?
Manual gate valves are a simple form of control. Which of systems below would commonly have one of these valves?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "Equal to 33 475 Btu."?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "Having a different maximum working pressure in a low temperature hot water system."?
Valves are an integral part of any heating system. Which of the valve types below would be best used as a radiator valve?
In any Heating or cooling system, various valves are used. Which of the valves below would best be used on a system with fin coils?
When the discussion of pump sizing is had, there are several terms that you must be familiar with. Which of the terms below would best be described as "A measurement of pressure referenced against a vacuum."?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "A switch the monitors water level by completing or breaking an electrical circuit?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "The delivery of fuel to a burner expressed as units of heat."?
Understanding the way certain boilers operate and the limitations of those boilers is key. Which of the boiler types below would be considered a high mass boiler?
Heating boilers have three common ratings. Which of the answers below would best be described as "The amount of heat energy actually available to heat the water during steady state operation."?
There are a variety of types and styles of boilers. Which one of the boiler types below would be used with a gravity heating system?
Low-temperature hot water boilers all have the same maximum pressure except cast iron. Which of the answers below is the correct maximum pressure for a cast iron conventional boiler?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "A measure of the heat from combustion that a specific amount of material will give produce."?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "The boiler that would commonly house the largest amount of water within it have the ."?
One of the categories of pumps is the positive displacement pump. Which of the pumps below works with this principle?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "Equal to one kilowatt."?
Valves are an integral part of any heating system. Which of the valve types below would be best used as an isolation valve?
There are various controls for the safe operation of any boiler. Which of the controls below would maintain a safe working temperature in a boiler?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "The resultant of when a vapor is cooled and/or compressed."?
When the discussion of pump sizing is had, there are several terms that you must be familiar with. Which of the terms below would best be described as "The pressure that a liquid produces when it turns to a gas a specific temperature."?
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