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?
As a steamfitter, understanding how heat energy is transferred is vital. Which of the answers below can be best described as "This is the transfer of heat energy through space by electromagnetic radiation."?
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?
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 conventional cast iron boiler?
Several restrictions separate heating boilers from power boilers. Which of the temperatures below would apply to a low-pressure steam boiler system?
As a steamfitter, understanding how heat energy is transferred is vital. Which of the answers below correctly identifies the total number of ways heat energy can be transferred?
Fahrenheit and Celsius are two different scales that measure temperature. Which of the answers below correctly identifies the freezing point of water on the Fahrenheit scale?
Heat loss calculation is a vital component of an effective heating system. Which of the answers below would the inside design temperature be recommended to be set at?
Expansion movement is piping systems can be controlled in several ways. Which answer below correctly identifies the "Offset leg" in this Z bend diagram?
"In piping systems that use _________, unwanted circulation is a major problem." Which of the answers below best fills in the blank?
Equipment and piping are effected by the waters pH that it is moving. Which of the pH ranges below is the most neutral?
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?
Heat loss calculation is a vital component of an effective heating system. Which of the heat loss steps below would be based on a geographic locations coldest temperature be a component of?
Equipment and piping are effected by the waters pH that it is moving. Which of the pH ranges below is the most acidic?
Convection is one of the 3 ways to transfer heat. Which of the answers below correctly identifies the appliance that use convection in its operation?
Expansion movement is piping systems can be controlled in several ways. Which answer below correctly identifies the "Flex leg" in this Z bend diagram?
There are several different ways expansion and contraction are handled in a piping system. Which one of the methods below would best be suited for lines buried in unstable soil?
Water does not expand and contract as other liquids do. Which of the answers below correctly identifies waters reaction to being warmed to 100°C?
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?
There are several different ways expansion and contraction are handled in a piping system. Which one of the methods below would have the 3 legs of the loop the same length?
There are two units that are used to measure heat energy. Which of the answers below can be best defined as "The quantity of heat required to raise the temperature of one pound of liquid water by 1 degree Fahrenheit."?
Expansion and contraction place different stresses on a piping system. Which ore of those forces below is the result of the use of 90° elbows in a piping system?
Several restrictions separate heating boilers from power boilers. Which of the answers below would a low-pressure steam boiler system be rated in?
Water does not expand and contract as other liquids do. Which of the answers below is the temperature that water is the most dense?
There are several different ways expansion and contraction are handled in a piping system. Which one of the methods below would have air vents installed?
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