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?
Pressure and velocity have an important connection with each other. Which of the concepts below outlines this association?
Appliance rating plates contain vital information for installation or servicing. Which of the numbers below corresponds to where the electrical rating would be?
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?
There are several hydrocarbons that are commonly seen in gasfitting. Which of the answers below is the chemical formula for methane?
A thermopile energizes a power unit, either open or closed. Which of the items below would a thermopile hold open while energized?
Several pressure test are performed using a manometer. Which of the the tests below would be done with the pilot burner operating only?
Standatas have several classifications associated with them. Which of those classifications would be considered as something that should be done?
All of the liquid hydrocarbons have different relative densities. Which of the answers below correctly identifies the relative density of Methane?
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?
A thermocouple energizes a power unit, either open or closed. Which of the items below would a thermocouple hold closed while energized?
Local utility gas pressures are usually different than the transmission pressure. Which of the answers below correctly identifies the normal operating pressures of a intermediate pressure system?
Pressure and velocity have an important connection with each other. If you increased the the velocity of the flow, what is the effect on it's pressure?
All of the liquid hydrocarbons have different relative densities. Which of the answers below correctly identifies the relative density of Methane?
There are several basic designs for pilot burners. Which of the designs below would be the pilot accomplishes combustion solely through secondary air?
There are three distinct parts to electricity. Which of the answers below is best described as "A measurement an amount of electric charge in motion"?
All appliances are approved for a specific altitude. Which of the elevations below would best represent a "high altitude" rating?
To insure the required ignition of the main burner, a pilot is used. Which of the pilots below would be comprised of main burner, a gas valve to supply the burner, and a thermocouple.
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."?
Products are removed from natural gas in various stages. Which of the answers below correctly identifies the order of the stages in this process?
When weighing different items for comparison, certain standards are needed. Which of the answers below correctly identifies the temperature standard used in these comparisons?
A safe working pressure is attained trough a service regulator. Which of the answers below correctly identifies the pressure that the service is reduced to?
An orifice is integral to a pilot burners design. Which of the answers represents the number of different designs for pilot burners?
There are several hydrocarbons that are commonly seen in gasfitting. Which of the answers below is the chemical formula for butane?
Understanding terms used to describe pressures is a vital to a gasfitter. Which of the terms below would be an expression of pressure?
Complete the form below to see results