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?
Several pressure test are performed using a manometer. Which of the the tests below would be done while the main burner operates, downstream of the service regulator?
There are several basic designs for pilot burners. Which of the designs below would be the pilot most frequently used in the gas industry?
Understanding terms used to describe pressures is a vital to a gasfitter. Which of the terms below can best be described as "A force in an area pushed against the earths surface by the air above it."?
There are several basic designs for pilot burners. Which of the designs below would be the pilot would be found in residential appliances most frequently?
To help in the performance and longevity of a thermopile, the pilot flame must be positioned correctly. Which of the measurements below correctly identifies the impingement of the pilot flame?
Liquid petroleum gases are a special classification of hydrocarbons. Which of the answers below represents the boiling point of liquid propane?
Pressure and velocity have an important connection with each other. If you decreased the diameter of a pipe, what is the reaction of the flowing water within?
There are several hydrocarbons that are commonly seen in gasfitting. Which of the answers below is the chemical formula for methane?
All of the liquid hydrocarbons have different relative densities. Which of the answers below correctly identifies the relative density of Methane?
Certified equipment all has a rating plate attached to them. Which of the answers below is considered optional information on a rating plate?
Appliance rating plates contain vital information for installation or servicing. Which of the numbers below corresponds to where the approval agency would be?
All appliances are approved for a specific altitude. Which of the elevations below would best represent a "high altitude" rating?
There are several hydrocarbons that are commonly seen in gasfitting. Which of the answers below is the chemical formula for butane?
There is a relationship between the 3 components of electricity. Which of the answers below describes this relationship as "An electrical current is proportional to voltage and inversely proportional to resistance.."?
All matter exists in one of the 4 states. Which of the properties of matter would best define "gases"?
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."?
All of the liquid hydrocarbons have different relative densities. Which of the answers below correctly identifies the relative density of Propane?
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?
All appliances are approved for a specific altitude. Which of the elevations below would best represent a "sea level" rating?
There are three distinct parts to electricity. Which of the answers below is best described as "The potential difference in charge between two points"?
A thermocouple energizes a power unit, either open or closed. Which of the items below would a thermocouple hold open while energized?
Appliance rating plates contain vital information for installation or servicing. Which of the numbers below corresponds to where the orifice size would be?
Several pressure test are performed using a manometer. Which of the the tests below would be done at the burner, while the main burners are operating?
Certified equipment all has a rating plate attached to them. Which of the answers below is considered optional information on a rating plate?
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