There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "A tank that is open to atmosphere that helps maintain system pressures stable."?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "Containing excess air and products of combustion."?
Valves are an integral part of any heating system. Which of the valve types below would be best used as a balancing valve?
Boilers have several distinct ways that they are rated. Which of the answers below can best be defined as "A factor applied to the gross output that allows for piping losses."?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "1 Btu stated in KJ."?
One of the categories of pumps is the positive displacement pump. Which of the pumps below works with this principle?
There are a variety of types and styles of boilers. Which one of the boiler types below would only be considered a "high mass" boiler?
Temperature control systems are used to provide a comfortable temperature. Which of the systems below would best be used in a system that has the need for a balancing cock installed in the heating circuit?
There are four standard types of hot water heating systems. Which of the answers below would also be described as a "direct return system"?
There are a wide variety of terms that are associated with boilers. Which of the answers below would be best described as " are . If the pressure exceeds a defined threshold, the valve activates by upstream pressure and automatically releases the pressure."?
One of the categories of pumps is the positive displacement pump. Which of the pumps below works with this principle?
Variable displacement pumps come in 4 different types. Which of the types below would most commonly be employed for large volume water flows?
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."?
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?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "A switching device for the control of the boiler differential temperature ."?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "A chemical process in which a substance reacts rapidly with oxygen and gives off heat ."?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "Using a positive displacement or centrifugal device to push gas or air."?
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?
A 3-way valve can control fin coils or coils. Which of the items below usually operates this valve is this arrangement?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "to prevent gravity circulation in a hydronic heating system when the circulator is not operating."?
The performance of a low pressure boiler is rated in Btu/hr or EDR. Which of the answers below would be equal 1 hot water EDR?
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?
There are a variety of codes that are associated with boilers. Which of the answers below correctly identifies the definition of a "code" with respect to boilers?
Temperature control systems are used to provide a comfortable temperature. Which of the systems below would best be used in a system that has air handling systems that are have a large volume?
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."?
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