There are several different types of electrical circuits. Which of the answers below would be considered the simplest of all circuits?
Local utility gas pressures are usually different than the transmission pressure. Which of the answers below correctly identifies the normal operating pressures of a low pressure system?
Understanding terms used to describe pressures is a vital to a gasfitter. Which of the terms below would be an expression of pressure?
Pressure and velocity have an important connection with each other. Which of the concepts below outlines this association?
A thermocouple energizes a power unit, either open or closed. Which of the items below would a thermocouple hold closed while energized?
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.."?
Pilot burners are classified by their ignition sequence. Which of the pilots below would only activate when there was a call for main burner ignition?
Understanding terms used to describe pressures is a vital to a gasfitter. Which of the terms below would be an expression of pressure?
Pressure and velocity have an important connection with each other. If you decreased the the velocity of the flow, what is the effect on it's pressure?
There are three distinct parts to electricity. Which of the answers below is best described as "A measurement of materials reduction of electric current flow"?
Pilot burners are classified by their ignition sequence. Which of the pilots below would burn at all times, even if the main burner is fired?
There are several hydrocarbons that are commonly seen in gasfitting. Which of the answers below is the chemical formula for methane?
A charge that flows through a conductor is considered an electrical current. Which of the current flows below would best represent a positive to negative flow?
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?
Electron theory has many parts that define what electricity is. Which of the answers below is best described as "The smallest particle of a substance that has all of the physical and chemical properties of that substance."?
Pilot burners are classified by their ignition sequence. Which of the pilots below would turn off when the main burner is fired?
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."?
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?
There are several hydrocarbons that are commonly seen in gasfitting. Which of the answers below is the chemical formula for methane?
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 charge that flows through a conductor is considered an electrical current. Which of the current flows below would best represent a negative to positive flow??
Differential pressure has to be within certain allowable limits described in any gas code. Which of the pressures below would be used to calculate a differential pressure?
Electron theory has many parts that define what electricity is. Which of the answers below is best described as "That which occupies space and possesses mass."?
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?
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