The pH scale is used to find the concentration of hydrogen ions. Which of the answers below correctly identifies the pH level of water if the amount of OH⁻ ions increases?
Equipment and piping are effected by the waters pH that it is moving. Which of the pH ranges below is the most alkaline?
As a steamfitter, understanding how heat energy is transferred is vital. Which of the answers below can be best described as "When heat moves from one object to another object through direct touch."?
There are several different ways expansion and contraction are handled in a piping system. Which one of the methods below would contain a common connector joining two bellows?
Several restrictions separate heating boilers from power boilers. Which of the pressures below would apply to a low-pressure steam boiler system?
Heat losses from a building come from many sources. Which of the answers below correctly identifies the principal reason for heat loss from a building?
Water does not expand and contract as other liquids do. Which of the answers below is the temperature that water is the most dense?
Expansion and contraction is used in the operation of some temperature controls. Which of the answers below correctly identifies one of the controls that uses this principal?
Expansion and contraction is used in the operation of some temperature controls. Which of the answers below correctly identifies one of the controls that uses this principal?
There are several terms that are closely related to water. Which of the answers below can best be described as "caused by the presence of dissolved calcium carbonate minerals ."?
Fahrenheit and Celsius are two different scales that measure temperature. Which of the answers below correctly identifies a temperature change of 120.6°C in Fahrenheit?
Fahrenheit and Celsius are two different scales that measure temperature. Which of the answers below correctly identifies a temperature of 75°C in the Fahrenheit scale?
There are several terms that are closely related to water. Which of the answers below can best be described as "A measurement of the mineral content in a water sample that is irreversible by boiling."?
Expansion movement is piping systems can be controlled in several ways. Which answer below correctly identifies the "Offset leg" in this Z bend diagram?
Heat loss calculation is a vital component of an effective heating system. Which of the heat loss steps below would be based on width of a room be a component of?
Several restrictions separate heating boilers from power boilers. Which of the pressures below would apply to a high-pressure steam boiler system?
Expansion and contraction is used in the operation of some temperature controls. Which of the answers below correctly identifies one of the controls that uses this principal?
Heat loss calculation is a vital component of an effective heating system. Which of the answers below would the pressure exerted by wind on the exterior of a structure be a component of?
Expansion and contraction place different stresses on a piping system. Which ore of those forces below is best described as " the change in dimensional length of the piping from its free length in a direction parallel to its longitudinal axis."?
Heat loss calculation is a vital component of an effective heating system. Which of the answers below would the "chimney effect" be a consideration of?
Heat loss calculation is a vital component of an effective heating system. Which of the answers below would mechanical ventilation be a consideration of?
Several restrictions separate heating boilers from power boilers. Which of the temperatures below would apply to a high-pressure steam boiler system?
Low temperature hot water boilers have several restrictions placed on them in ASME section IV. Which of the answers below correctly identifies the maximum pressure for a standard boiler?
Fahrenheit and Celsius are two different scales that measure temperature. Which of the answers below correctly identifies the boiling point of water on the Celsius scale?
Fahrenheit and Celsius are two different scales that measure temperature. Which of the answers below correctly identifies the freezing point of water on the Celsius scale?
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