When sizing any heating system, several factors are taken into account. Which of the answers below correctly identifies the factor that is derived from the friction of fittings?
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 give accurate indication of vacuum or pressure in inches of water column?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "Equal to the evaporation 34.5 pounds of fresh water at 212 °F in one hour."?
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."?
The effects of heat loss during transmission of heat in heating systems. Which of the answers below is the correct percentage when calculating this loss?
In any Heating or cooling system, various valves are used. Which of the valves below would best be used on a system with process loads?
The terms used for describing heat transfer are used frequently within the steamfitter trade. Which of the terms below would best be described as the total transfer of heat through the fabric of a building from inside to the outside?
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 pumps outlet side pressure that can be produced."?
Valves are an important piece of a hot water heating system. Which of the types of valves below would best be used to lessen or shut off flow to a heat emission unit in a hot water heating system?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "A vertical boiler made up of several sections tied together by tie rods."?
The earliest hot water heating systems relied on gravity to circulate the water. Which of the answers below correctly identifies a major flaw of these systems?
The performance of a low pressure boiler is rated in Btu/hr or EDR. Which of the answers below would be equal to the evaporation of 34.5 ponds of water per hour?
Pressure control is vital for a well run hot water system. Which of the pressures below correctly identifies the minimum pressure at the top of a hot water heating system?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "Equal to 1.3414 horsepower."?
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."?
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 "formation of vapour bubbles within a liquid at low-pressure."?
There are a wide variety of terms that are associated with boilers. Which of the terms below is best defined as "A boiler that has the option of either being water tube or fire tube."?
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."?
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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 wide variety of terms that are associated with boilers. Which of the terms below is best defined as "A vent that is located at the highest point in a hot water system."?
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 amount of force exerted per area..
There are four standard types of hot water heating systems. Which of the answers below would also be described as a "mono-flow system"?
Boilers have several distinct ways that they are rated. Which of the answers below can best be defined as "The remainder of the heat after losses in the chimney and through the jacket."?
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