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?
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."?
All boilers have either a net or a gross rating for the amount of steam it will produce. Which of the boiler types below is usually rated with a "net" rating?
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 heat loss steps below would be based on width of a room 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?
Pure water ahs a very uncomplicated atomic structure. Which of the answers below best represents this structure?
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."?
Fahrenheit and Celsius are two different scales that measure temperature. Which of the answers below correctly identifies a temperature of 45°F in 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 Fahrenheit scale?
There are several terms that are closely related to water. Which of the answers below can best be described as "A condition caused by the presence of dissolved calcium bicarbonate minerals."?
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 magnesium bicarbonate minerals ."?
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?
Protons, neutrons, and electrons are all components of an atom. Which of the answers below correctly identifies the electrical charge of an atom with one missing electron?
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?
Protons, neutron and electrons are all components of an atom. Which of the answers below correctly identifies the electrical charge of a electron?
Protons, neutrons, and electrons are all components of an atom. Which of the answers below correctly identifies the electrical charge of an atom with one extra electron?
As a steamfitter, understanding how heat energy is transferred is vital. Which of the answers below can be best described as "Different densities within gases with the addition of heat energy."?
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?
Several restrictions separate heating boilers from power boilers. Which of the pressures below would apply to a low-pressure steam boiler system?
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?
Water does not expand and contract as other liquids do. Which of the answers below correctly identifies waters reaction to being cooled to ice?
Water does not expand and contract as other liquids do. Which of the answers below is the temperature that water is the most dense?
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?
Several restrictions separate heating boilers from power boilers. Which of the pressures below would apply to a low-pressure steam boiler system?
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