A thermocouple energizes a power unit, either open or closed. Which of the items below would a thermocouple hold open while energized?
All appliances are approved for a specific altitude. Which of the elevations below would best represent a "high altitude" rating?
Electron theory has many parts that define what electricity is. Which of the answers below is best described as "A substance that cannot be broken down into simpler substances by chemical means."?
There are three distinct parts to electricity. Which of the answers below is best described as "The potential difference in charge between two points"?
Magnetic fields are inherently created around conductors when electricity passes through it. Which of the answers below directly effects the strength of a magnetic field?
There are several different types of electrical circuits. Which of the answers below would be considered the simplest of all circuits?
Appliance rating plates contain vital information for installation or servicing. Which of the numbers below corresponds to where the mode number would be?
There are several different pieces of electrical testing equipment. Which of the answers below is best described as "A meter that measures the electrical potential difference between two points in an electric circuit."?
A thermocouple energizes a power unit, either open or closed. Which of the items below would a thermocouple hold closed while energized?
Appliance rating plates contain vital information for installation or servicing. Which of the numbers below corresponds to where the type of gas used would be?
Materials all resist current flow to one degree or another. Which of the answers below best describes a material with a high resistance to current flow?
Materials all resist current flow to one degree or another. Which of the answers below best describes a material with a low resistance to current flow?
Products are removed from natural gas in various stages. Which of the answers below correctly identifies the order of the stages in this process?
Pressure and velocity have an important connection with each other. If you decreased the the pressure of the flow, what is the effect on it's velocity?
Appliance rating plates contain vital information for installation or servicing. Which of the numbers below corresponds to where the manifold pressure would be?
There are several hydrocarbons that are commonly seen in gasfitting. Which of the answers below is the chemical formula for iso-butane?
There are several different pieces of electrical testing equipment. Which of the answers below is best described as "A meter that measures the electrical resistance of a circuit."?
There are several hydrocarbons that are commonly seen in gasfitting. Which of the answers below is the chemical formula for methane?
When weighing different items for comparison, certain standards are needed. Which of the answers below correctly identifies the temperature standard used in these comparisons?
Pilot burners are classified by their ignition sequence. Which of the pilots below would be similar to a continuous pilot, but using a smaller flame?
All of the liquid hydrocarbons have different relative densities. Which of the answers below correctly identifies the relative density of Methane?
Understanding terms used to describe pressures is a vital to a gasfitter. Which of the terms below would be an expression of pressure?
There are several different pieces of electrical testing equipment. Which of the answers below is best described as "A meter that measures the electron flow in a circuit."?
A thermopile energizes a power unit, either open or closed. Which of the items below would a thermopile hold closed while energized?
All appliances are approved for a specific altitude. Which of the elevations below would best represent a "sea level" rating?
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